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characteristic</title> <meta name="description" content="Search results for: geometrical characteristic"> <meta name="keywords" content="geometrical characteristic"> <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no"> <meta charset="utf-8"> <link href="https://cdn.waset.org/favicon.ico" type="image/x-icon" rel="shortcut icon"> <link href="https://cdn.waset.org/static/plugins/bootstrap-4.2.1/css/bootstrap.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/plugins/fontawesome/css/all.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/css/site.css?v=150220211555" rel="stylesheet"> </head> <body> <header> <div class="container"> <nav class="navbar navbar-expand-lg navbar-light"> <a class="navbar-brand" href="https://waset.org"> <img src="https://cdn.waset.org/static/images/wasetc.png" alt="Open Science Research Excellence" title="Open Science Research Excellence" /> </a> <button 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action="https://publications.waset.org/abstracts/search"> <div id="custom-search-input"> <div class="input-group"> <i class="fas fa-search"></i> <input type="text" class="search-query" name="q" placeholder="Author, Title, Abstract, Keywords" value="geometrical characteristic"> <input type="submit" class="btn_search" value="Search"> </div> </div> </form> </div> </div> <div class="row mt-3"> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Commenced</strong> in January 2007</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Frequency:</strong> Monthly</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Edition:</strong> International</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Paper Count:</strong> 1815</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: geometrical characteristic</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1815</span> Geometric Intuition and Formalism in Passing from Indivisibles to Infinitesimals: Pascal and Leibniz</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Remus%20Titiriga">Remus Titiriga</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The paper focuses on Pascal's indivisibles evolving to Leibniz's infinitesimals. It starts with parallel developments by the two savants in Combinatorics (triangular numbers for Pascal and harmonic triangles for Leibniz) and their implication in determining the sum of mathematical series. It follows with a focus on the geometrical contributions of Pascal. He considered the cycloid and other mechanical curves the epitome of geometric comprehensibility in a series of challenging problems he posed to the mathematical world. Pascal provided the solutions in 1658, in a volume published under the pseudonym of Dettonville, using indivisibles and ratios between curved and straight lines. In the third part, the research follows the impact of this volume on Leibniz as the initial impetus for the elaboration of modern calculus as an algorithmic method disjoint of geometrical intuition. Then paper analyses the further steps and proves that Leibniz's developments relate to his philosophical frame (the search for a characteristic Universalis, the consideration of principle of continuity or the rule of sufficient reason) different from Pascal's and impacting mathematical problems and their solutions. At this stage in Leibniz's evolution, the infinitesimals replaced the indivisibles proper. The last part of the paper starts with speculation around "What if?". Could Pascal, if he lived more, accomplish the same feat? The document uses Pascal's reconstructed philosophical frame to formulate a positive answer. It also proposes to teach calculus with indivisibles and infinitesimals mimicking Pascal and Leibniz's achievements. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=indivisibles" title="indivisibles">indivisibles</a>, <a href="https://publications.waset.org/abstracts/search?q=infinitesimals" title=" infinitesimals"> infinitesimals</a>, <a href="https://publications.waset.org/abstracts/search?q=characteristic%20triangle" title=" characteristic triangle"> characteristic triangle</a>, <a href="https://publications.waset.org/abstracts/search?q=the%20principle%20of%20continuity" title=" the principle of continuity"> the principle of continuity</a> </p> <a href="https://publications.waset.org/abstracts/145907/geometric-intuition-and-formalism-in-passing-from-indivisibles-to-infinitesimals-pascal-and-leibniz" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/145907.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">129</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1814</span> Stress Analysis of Water Wall Tubes of a Coal-fired Boiler during Soot Blowing Operation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Pratch%20Kittipongpattana">Pratch Kittipongpattana</a>, <a href="https://publications.waset.org/abstracts/search?q=Thongchai%20Fongsamootr"> Thongchai Fongsamootr</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This research aimed to study the influences of a soot blowing operation and geometrical variables to the stress characteristic of water wall tubes located in soot blowing areas which caused the boilers of Mae Moh power plant to lose their generation hour. The research method is divided into 2 parts (a) measuring the strain on water wall tubes by using 3-element rosette strain gages orientation during a full capacity plant operation and in periods of soot blowing operations (b) creating a finite element model in order to calculate stresses on tubes and validating the model by using experimental data in a steady state plant operation. Then, the geometrical variables in the model were changed to study stresses on the tubes. The results revealed that the stress was not affected by the soot blowing process and the finite element model gave the results 1.24% errors from the experiment. The geometrical variables influenced the stress, with the most optimum tubes design in this research reduced the average stress from the present design 31.28%. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=boiler%20water%20wall%20tube" title="boiler water wall tube">boiler water wall tube</a>, <a href="https://publications.waset.org/abstracts/search?q=finite%20element" title=" finite element"> finite element</a>, <a href="https://publications.waset.org/abstracts/search?q=stress%20analysis" title=" stress analysis"> stress analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=strain%20gage%20rosette" title=" strain gage rosette"> strain gage rosette</a> </p> <a href="https://publications.waset.org/abstracts/45920/stress-analysis-of-water-wall-tubes-of-a-coal-fired-boiler-during-soot-blowing-operation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/45920.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">389</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1813</span> Wicking and Evaporation of Liquids in Knitted Fabrics: Analytic Solution of Capillary Rise Restrained by Gravity and Evaporation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=N.%20S.%20Achour">N. S. Achour</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Hamdaoui"> M. Hamdaoui</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Ben%20Nasrallah"> S. Ben Nasrallah</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Wicking and evaporation of water in porous knitted fabrics is investigated by combining experimental and analytical approaches: The standard wicking model from Lucas and Washburn is enhanced to account for evaporation and gravity effects. The goal is to model the effect of gravity and evaporation on wicking using simple analytical expressions and investigate the influence of fabrics geometrical parameters, such as porosity and thickness on evaporation impact on maximum reachable height values. The results show that fabric properties have a significant influence on evaporation effect. In this paper, an experimental study of determining water kinetics from different knitted fabrics were gravimetrically investigated permitting the measure of the mass and the height of liquid rising in fabrics in various atmospheric conditions. From these measurements, characteristic pore parameters (capillary radius and permeability) can be determined. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=evaporation" title="evaporation">evaporation</a>, <a href="https://publications.waset.org/abstracts/search?q=experimental%20study" title=" experimental study"> experimental study</a>, <a href="https://publications.waset.org/abstracts/search?q=geometrical%20parameters" title=" geometrical parameters"> geometrical parameters</a>, <a href="https://publications.waset.org/abstracts/search?q=model" title=" model"> model</a>, <a href="https://publications.waset.org/abstracts/search?q=porous%20knitted%20fabrics" title=" porous knitted fabrics"> porous knitted fabrics</a>, <a href="https://publications.waset.org/abstracts/search?q=wicking" title=" wicking"> wicking</a> </p> <a href="https://publications.waset.org/abstracts/27286/wicking-and-evaporation-of-liquids-in-knitted-fabrics-analytic-solution-of-capillary-rise-restrained-by-gravity-and-evaporation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/27286.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">582</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1812</span> Damping and Stability Evaluation for the Dynamical Hunting Motion of the Bullet Train Wheel Axle Equipped with Cylindrical Wheel Treads</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Barenten%20Suciu">Barenten Suciu</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Classical matrix calculus and Routh-Hurwitz stability conditions, applied to the snake-like motion of the conical wheel axle, lead to the conclusion that the hunting mode is inherently unstable, and its natural frequency is a complex number. In order to analytically solve such a complicated vibration model, either the inertia terms were neglected, in the model designated as geometrical, or restrictions on the creep coefficients and yawing diameter were imposed, in the so-called dynamical model. Here, an alternative solution is proposed to solve the hunting mode, based on the observation that the bullet train wheel axle is equipped with cylindrical wheels. One argues that for such wheel treads, the geometrical hunting is irrelevant, since its natural frequency becomes nil, but the dynamical hunting is significant since its natural frequency reduces to a real number. Moreover, one illustrates that the geometrical simplification of the wheel causes the stabilization of the hunting mode, since the characteristic quartic equation, derived for conical wheels, reduces to a quadratic equation of positive coefficients, for cylindrical wheels. Quite simple analytical expressions for the damping ratio and natural frequency are obtained, without applying restrictions into the model of contact. Graphs of the time-depending hunting lateral perturbation, including the maximal and inflexion points, are presented both for the critically-damped and the over-damped wheel axles. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=bullet%20train" title="bullet train">bullet train</a>, <a href="https://publications.waset.org/abstracts/search?q=creep" title=" creep"> creep</a>, <a href="https://publications.waset.org/abstracts/search?q=cylindrical%20wheels" title=" cylindrical wheels"> cylindrical wheels</a>, <a href="https://publications.waset.org/abstracts/search?q=damping" title=" damping"> damping</a>, <a href="https://publications.waset.org/abstracts/search?q=dynamical%20hunting" title=" dynamical hunting"> dynamical hunting</a>, <a href="https://publications.waset.org/abstracts/search?q=stability" title=" stability"> stability</a>, <a href="https://publications.waset.org/abstracts/search?q=vibration%20analysis" title=" vibration analysis"> vibration analysis</a> </p> <a href="https://publications.waset.org/abstracts/96999/damping-and-stability-evaluation-for-the-dynamical-hunting-motion-of-the-bullet-train-wheel-axle-equipped-with-cylindrical-wheel-treads" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/96999.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">153</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1811</span> Detection of Curvilinear Structure via Recursive Anisotropic Diffusion</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sardorbek%20Numonov">Sardorbek Numonov</a>, <a href="https://publications.waset.org/abstracts/search?q=Hyohun%20Kim"> Hyohun Kim</a>, <a href="https://publications.waset.org/abstracts/search?q=Dongwha%20Shin"> Dongwha Shin</a>, <a href="https://publications.waset.org/abstracts/search?q=Yeonseok%20Kim"> Yeonseok Kim</a>, <a href="https://publications.waset.org/abstracts/search?q=Ji-Su%20Ahn"> Ji-Su Ahn</a>, <a href="https://publications.waset.org/abstracts/search?q=Dongeun%20Choi"> Dongeun Choi</a>, <a href="https://publications.waset.org/abstracts/search?q=Byung-Woo%20Hong"> Byung-Woo Hong</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The detection of curvilinear structures often plays an important role in the analysis of images. In particular, it is considered as a crucial step for the diagnosis of chronic respiratory diseases to localize the fissures in chest CT imagery where the lung is divided into five lobes by the fissures that are characterized by linear features in appearance. However, the characteristic linear features for the fissures are often shown to be subtle due to the high intensity variability, pathological deformation or image noise involved in the imaging procedure, which leads to the uncertainty in the quantification of anatomical or functional properties of the lung. Thus, it is desired to enhance the linear features present in the chest CT images so that the distinctiveness in the delineation of the lobe is improved. We propose a recursive diffusion process that prefers coherent features based on the analysis of structure tensor in an anisotropic manner. The local image features associated with certain scales and directions can be characterized by the eigenanalysis of the structure tensor that is often regularized via isotropic diffusion filters. However, the isotropic diffusion filters involved in the computation of the structure tensor generally blur geometrically significant structure of the features leading to the degradation of the characteristic power in the feature space. Thus, it is required to take into consideration of local structure of the feature in scale and direction when computing the structure tensor. We apply an anisotropic diffusion in consideration of scale and direction of the features in the computation of the structure tensor that subsequently provides the geometrical structure of the features by its eigenanalysis that determines the shape of the anisotropic diffusion kernel. The recursive application of the anisotropic diffusion with the kernel the shape of which is derived from the structure tensor leading to the anisotropic scale-space where the geometrical features are preserved via the eigenanalysis of the structure tensor computed from the diffused image. The recursive interaction between the anisotropic diffusion based on the geometry-driven kernels and the computation of the structure tensor that determines the shape of the diffusion kernels yields a scale-space where geometrical properties of the image structure are effectively characterized. We apply our recursive anisotropic diffusion algorithm to the detection of curvilinear structure in the chest CT imagery where the fissures present curvilinear features and define the boundary of lobes. It is shown that our algorithm yields precise detection of the fissures while overcoming the subtlety in defining the characteristic linear features. The quantitative evaluation demonstrates the robustness and effectiveness of the proposed algorithm for the detection of fissures in the chest CT in terms of the false positive and the true positive measures. The receiver operating characteristic curves indicate the potential of our algorithm as a segmentation tool in the clinical environment. This work was supported by the MISP(Ministry of Science and ICT), Korea, under the National Program for Excellence in SW (20170001000011001) supervised by the IITP(Institute for Information and Communications Technology Promotion). <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=anisotropic%20diffusion" title="anisotropic diffusion">anisotropic diffusion</a>, <a href="https://publications.waset.org/abstracts/search?q=chest%20CT%20imagery" title=" chest CT imagery"> chest CT imagery</a>, <a href="https://publications.waset.org/abstracts/search?q=chronic%20respiratory%20disease" title=" chronic respiratory disease"> chronic respiratory disease</a>, <a href="https://publications.waset.org/abstracts/search?q=curvilinear%20structure" title=" curvilinear structure"> curvilinear structure</a>, <a href="https://publications.waset.org/abstracts/search?q=fissure%20detection" title=" fissure detection"> fissure detection</a>, <a href="https://publications.waset.org/abstracts/search?q=structure%20tensor" title=" structure tensor"> structure tensor</a> </p> <a href="https://publications.waset.org/abstracts/75801/detection-of-curvilinear-structure-via-recursive-anisotropic-diffusion" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/75801.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">232</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1810</span> Evaluation of Urban-Rural Integration of Characteristic Towns in Yunnan Province</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Huang%20Yong">Huang Yong</a>, <a href="https://publications.waset.org/abstracts/search?q=Chen%20Qianting"> Chen Qianting</a>, <a href="https://publications.waset.org/abstracts/search?q=Zhao%20Shurong"> Zhao Shurong</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In order to identify the role and effect of Characteristic Towns as an important means to promote urban-rural integration, this paper uses Flow Theory and complex network analysis methods to jointly construct the identification path of urban-rural integration capabilities of Characteristic Towns. Take the National Characteristic Towns of Yunnan Province as the empirical objects to identify their role laws. The study found that in the implementation of the National Characteristic Town Project in Yunnan Province, (1) the population is more susceptible to the impact of the Characteristic Town Project than the technical elements, but the stability is poor; (2) The flow capacity of urban and rural technical elements is weak, and the quality of the enterprise cooperation network in general; (3) Compared with the batch of Characteristic Towns in 2016, its ability to promote urban-rural integration is higher in 2017; (4) The role of the Characteristic Town Project on urban-rural integration focuses on the improvement of the number of urban and rural flow elements. This paper analyzes the mode of the role of Characteristic Towns on urban-rural integration from the perspective of ‘flow,’ establishes a research paradigm for evaluating the role of Characteristic Towns in urban-rural integration capabilities, and builds a path for the application of Characteristic Towns to support the realization of urban-rural integration goals. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=characteristic%20town" title="characteristic town">characteristic town</a>, <a href="https://publications.waset.org/abstracts/search?q=urban-rural%20integration" title=" urban-rural integration"> urban-rural integration</a>, <a href="https://publications.waset.org/abstracts/search?q=flow%20theory" title=" flow theory"> flow theory</a>, <a href="https://publications.waset.org/abstracts/search?q=complex%20network%20analysis" title=" complex network analysis"> complex network analysis</a> </p> <a href="https://publications.waset.org/abstracts/152072/evaluation-of-urban-rural-integration-of-characteristic-towns-in-yunnan-province" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/152072.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">139</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1809</span> Coastal Hydraulic Modelling to Ascertain Stability of Rubble Mound Breakwater</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Safari%20Mat%20Desa">Safari Mat Desa</a>, <a href="https://publications.waset.org/abstracts/search?q=Othman%20A.%20Karim"> Othman A. Karim</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohd%20Kamarulhuda%20Samion"> Mohd Kamarulhuda Samion</a>, <a href="https://publications.waset.org/abstracts/search?q=Saiful%20Bahri%20Hamzah"> Saiful Bahri Hamzah</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Rubble mound breakwater was one of the most popular designs in Malaysia, constructed at the river mouth to dissipate the incoming wave energy from the seaward. Geometrically characteristics in trapezoid, crest width, and bottom width will determine the hypotonus stability, whilst structural height was designed for wave overtopping consideration. Physical hydraulic modelling in two-dimensional facilities was instigated in the flume to test the stability as well as the overtopping rate complied with the method of similarity, namely kinematic, dynamic, and geometric. Scaling effects of wave characteristics were carried out in order to acquire significant interaction of wave height, wave period, and water depth. Results showed two-dimensional physical modelling has proven reliable capability to ascertain breakwater stability significantly. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=breakwater" title="breakwater">breakwater</a>, <a href="https://publications.waset.org/abstracts/search?q=geometrical%20characteristic" title=" geometrical characteristic"> geometrical characteristic</a>, <a href="https://publications.waset.org/abstracts/search?q=wave%20overtopping" title=" wave overtopping"> wave overtopping</a>, <a href="https://publications.waset.org/abstracts/search?q=physical%20hydraulic%20modelling" title=" physical hydraulic modelling"> physical hydraulic modelling</a>, <a href="https://publications.waset.org/abstracts/search?q=method%20of%20similarity" title=" method of similarity"> method of similarity</a>, <a href="https://publications.waset.org/abstracts/search?q=wave%20characteristic" title=" wave characteristic"> wave characteristic</a> </p> <a href="https://publications.waset.org/abstracts/167225/coastal-hydraulic-modelling-to-ascertain-stability-of-rubble-mound-breakwater" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/167225.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">116</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1808</span> Characteristic Function in Estimation of Probability Distribution Moments </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Vladimir%20S.%20Timofeev">Vladimir S. Timofeev</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this article the problem of distributional moments estimation is considered. The new approach of moments estimation based on usage of the characteristic function is proposed. By statistical simulation technique, author shows that new approach has some robust properties. For calculation of the derivatives of characteristic function there is used numerical differentiation. Obtained results confirmed that author’s idea has a certain working efficiency and it can be recommended for any statistical applications. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=characteristic%20function" title="characteristic function">characteristic function</a>, <a href="https://publications.waset.org/abstracts/search?q=distributional%20moments" title=" distributional moments"> distributional moments</a>, <a href="https://publications.waset.org/abstracts/search?q=robustness" title=" robustness"> robustness</a>, <a href="https://publications.waset.org/abstracts/search?q=outlier" title=" outlier"> outlier</a>, <a href="https://publications.waset.org/abstracts/search?q=statistical%20estimation%20problem" title=" statistical estimation problem"> statistical estimation problem</a>, <a href="https://publications.waset.org/abstracts/search?q=statistical%20simulation" title=" statistical simulation"> statistical simulation</a> </p> <a href="https://publications.waset.org/abstracts/11779/characteristic-function-in-estimation-of-probability-distribution-moments" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/11779.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">504</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1807</span> Product Feature Modelling for Integrating Product Design and Assembly Process Planning</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Baha%20Hasan">Baha Hasan</a>, <a href="https://publications.waset.org/abstracts/search?q=Jan%20Wikander"> Jan Wikander</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper describes a part of the integrating work between assembly design and assembly process planning domains (APP). The work is based, in its first stage, on modelling assembly features to support APP. A multi-layer architecture, based on feature-based modelling, is proposed to establish a dynamic and adaptable link between product design using CAD tools and APP. The proposed approach is based on deriving “specific function” features from the “generic” assembly and form features extracted from the CAD tools. A hierarchal structure from “generic” to “specific” and from “high level geometrical entities” to “low level geometrical entities” is proposed in order to integrate geometrical and assembly data extracted from geometrical and assembly modelers to the required processes and resources in APP. The feature concept, feature-based modelling, and feature recognition techniques are reviewed. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=assembly%20feature" title="assembly feature">assembly feature</a>, <a href="https://publications.waset.org/abstracts/search?q=assembly%20process%20planning" title=" assembly process planning"> assembly process planning</a>, <a href="https://publications.waset.org/abstracts/search?q=feature" title=" feature"> feature</a>, <a href="https://publications.waset.org/abstracts/search?q=feature-based%20modelling" title=" feature-based modelling"> feature-based modelling</a>, <a href="https://publications.waset.org/abstracts/search?q=form%20feature" title=" form feature"> form feature</a>, <a href="https://publications.waset.org/abstracts/search?q=ontology" title=" ontology"> ontology</a> </p> <a href="https://publications.waset.org/abstracts/54522/product-feature-modelling-for-integrating-product-design-and-assembly-process-planning" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/54522.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">309</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1806</span> Optimum Er: YAG Laser Parameters for Orthodontic Composite Debonding: An in vitro Study</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20Zamzam">Mohammad Zamzam</a>, <a href="https://publications.waset.org/abstracts/search?q=Wesam%20Bachir"> Wesam Bachir</a>, <a href="https://publications.waset.org/abstracts/search?q=Imad%20Asaad"> Imad Asaad </a> </p> <p class="card-text"><strong>Abstract:</strong></p> Several studies have produced estimates of Er:YAG laser parameters and specifications but there is still insufficient data for reliable selection of laser parameters. As a consequence, there is a heightened need for ideal specifications of Er:YAG laser to reduce the amount of enamel ablation. The objective of this paper is to investigate the influence of Er:YAG laser parameters, energy level and pulse duration, on orthodontic composite removal after bracket debonding. The sample consisted of 45 cuboids of orthodontic composite made by plastic moulds. The samples were divided into three groups, each was irradiated with Er:YAG laser set at different energy levels and three values for pulse durations (50 µs, 100 µs, and 300 µs). Geometrical parameters (depth and area) of cavities formed by laser irradiation were determined. ANCOVA test showed statistically significant difference (p < 0.0.5) between the groups indicating a potential effect of laser pulse duration on the geometrical parameters after controlling laser energy level. A post-hoc Bonferroni test ranked the 50µ Er:YAG laser pulse as the most influential factor for all geometrical parameters in removing remnant composite from enamel surface. Also, 300 mJ laser pulses caused the largest removal of the composite. The results of the present study demonstrated the efficacy of 50 µs and 300 mJ Er:YAG laser pulse for removal of remnant orthodontic composite. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=enamel" title="enamel">enamel</a>, <a href="https://publications.waset.org/abstracts/search?q=Er%3AYAG" title=" Er:YAG"> Er:YAG</a>, <a href="https://publications.waset.org/abstracts/search?q=geometrical%20parameters" title=" geometrical parameters"> geometrical parameters</a>, <a href="https://publications.waset.org/abstracts/search?q=orthodontic%20composite" title=" orthodontic composite"> orthodontic composite</a>, <a href="https://publications.waset.org/abstracts/search?q=remnant%20composite" title=" remnant composite"> remnant composite</a> </p> <a href="https://publications.waset.org/abstracts/6666/optimum-er-yag-laser-parameters-for-orthodontic-composite-debonding-an-in-vitro-study" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/6666.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">553</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1805</span> Research on Planning Strategy of Characteristic Town from the Perspective of Ecological Concept: A Case Study on Hangzhou Dream Town in Zhejiang</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Xiaohan%20Ye">Xiaohan Ye</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Under the new normal situation, some urban spaces with the industrial base and regional features in Zhejiang, China have been selected to build a characteristic town, a kind of environmentally-friendly development platform with city-industry integrated, in an attempt to achieve the most optimized layout of productivity with the least space resource. After analysis on the connotation, mechanism and mode of characteristic town in Zhejiang, it is suggested in this paper that characteristic town should take improving the regional ecological environment as an important object in planning strategy from the perspective of ecological concept. Improved environmental quality, optimized resource allocation, and compact industrial distribution should be realized so as to drive the regional green and sustainable development. Finally, this paper analyzes location selection, industrial distribution, spatial organization and environment construction based on the exploration of the dream town of Zhejiang province, the first batch of provincial-level characteristic towns to demonstrate how to apply the ecological concept to the design of characteristic town. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=characteristic%20town" title="characteristic town">characteristic town</a>, <a href="https://publications.waset.org/abstracts/search?q=ecological%20concept" title=" ecological concept"> ecological concept</a>, <a href="https://publications.waset.org/abstracts/search?q=Hangzhou%20dream%20town" title=" Hangzhou dream town"> Hangzhou dream town</a>, <a href="https://publications.waset.org/abstracts/search?q=planning%20strategy" title=" planning strategy"> planning strategy</a> </p> <a href="https://publications.waset.org/abstracts/67261/research-on-planning-strategy-of-characteristic-town-from-the-perspective-of-ecological-concept-a-case-study-on-hangzhou-dream-town-in-zhejiang" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/67261.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">312</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1804</span> The Geometry of Natural Formation: an Application of Geometrical Analysis for Complex Natural Order of Pomegranate </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Anahita%20Aris">Anahita Aris</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Geometry always plays a key role in natural structures, which can be a source of inspiration for architects and urban designers to create spaces. By understanding formative principles in nature, a variety of options can be provided that lead to freedom of formation. The main purpose of this paper is to analyze the geometrical order found in pomegranate to find formative principles explaining its complex structure. The point is how spherical arils of pomegranate pressed together inside the fruit and filled the space as they expand in the growing process, which made a self-organized system leads to the formation of each of the arils are unique in size, topology and shape. The main challenge of this paper would be using advanced architectural modeling techniques to discover these principles. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=advanced%20modeling%20techniques" title="advanced modeling techniques">advanced modeling techniques</a>, <a href="https://publications.waset.org/abstracts/search?q=architectural%20modeling" title=" architectural modeling"> architectural modeling</a>, <a href="https://publications.waset.org/abstracts/search?q=computational%20design" title=" computational design"> computational design</a>, <a href="https://publications.waset.org/abstracts/search?q=the%20geometry%20of%20natural%20formation" title=" the geometry of natural formation"> the geometry of natural formation</a>, <a href="https://publications.waset.org/abstracts/search?q=geometrical%20analysis" title=" geometrical analysis"> geometrical analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=the%20natural%20order%20of%20pomegranate" title=" the natural order of pomegranate"> the natural order of pomegranate</a>, <a href="https://publications.waset.org/abstracts/search?q=voronoi%20diagrams" title=" voronoi diagrams"> voronoi diagrams</a> </p> <a href="https://publications.waset.org/abstracts/138493/the-geometry-of-natural-formation-an-application-of-geometrical-analysis-for-complex-natural-order-of-pomegranate" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/138493.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">220</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1803</span> Liquid Bridges in a Complex Geometry: Microfluidic Drop Manipulation Inside a Wedge</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=D.%20Baratian">D. Baratian</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Cavalli"> A. Cavalli</a>, <a href="https://publications.waset.org/abstracts/search?q=D.%20van%20den%20Ende"> D. van den Ende</a>, <a href="https://publications.waset.org/abstracts/search?q=F.%20Mugele"> F. Mugele </a> </p> <p class="card-text"><strong>Abstract:</strong></p> The morphology of liquid bridges inside complex geometries is the subject of interest for many years. These efforts try to find stable liquid configuration considering the boundary condition and the physical properties of the system. On the other hand precise manipulation of droplets is highly significant in many microfluidic applications. The liquid configuration in a complex geometry can be switched by means of external stimuli. We show manipulation of droplets in a wedge structure. The profile and position of a drop in a wedge geometry has been calculated analytically assuming negligible contact angle hysteresis. The characteristic length of liquid bridge and its interfacial tension inside the surrounding medium along with the geometrical parameters of the system determine the morphology and equilibrium position of drop in the system. We use electrowetting to modify one the governing parameters to manipulate the droplet. Electrowetting provides the capability to have precise control on the drop position through tuning the voltage and consequently changing the contact angle. This technique is employed to tune drop displacement and control its position inside the wedge. Experiments demonstrate precise drop movement to its predefined position inside the wedge geometry. Experimental results show promising consistency as it is compared to our geometrical model predictions. For such a drop manipulation, appealing applications in microfluidics have been considered. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=liquid%20bridges" title="liquid bridges">liquid bridges</a>, <a href="https://publications.waset.org/abstracts/search?q=microfluidics" title=" microfluidics"> microfluidics</a>, <a href="https://publications.waset.org/abstracts/search?q=drop%20manipulation" title=" drop manipulation"> drop manipulation</a>, <a href="https://publications.waset.org/abstracts/search?q=wetting" title=" wetting"> wetting</a>, <a href="https://publications.waset.org/abstracts/search?q=electrowetting" title=" electrowetting"> electrowetting</a>, <a href="https://publications.waset.org/abstracts/search?q=capillarity" title=" capillarity "> capillarity </a> </p> <a href="https://publications.waset.org/abstracts/23905/liquid-bridges-in-a-complex-geometry-microfluidic-drop-manipulation-inside-a-wedge" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/23905.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">477</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1802</span> Achieving Product Robustness through Variation Simulation: An Industrial Case Study</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Narendra%20Akhadkar">Narendra Akhadkar</a>, <a href="https://publications.waset.org/abstracts/search?q=Philippe%20Delcambre"> Philippe Delcambre</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In power protection and control products, assembly process variations due to the individual parts manufactured from single or multi-cavity tooling is a major problem. The dimensional and geometrical variations on the individual parts, in the form of manufacturing tolerances and assembly tolerances, are sources of clearance in the kinematic joints, polarization effect in the joints, and tolerance stack-up. All these variations adversely affect the quality of product, functionality, cost, and time-to-market. Variation simulation analysis may be used in the early product design stage to predict such uncertainties. Usually, variations exist in both manufacturing processes and materials. In the tolerance analysis, the effect of the dimensional and geometrical variations of the individual parts on the functional characteristics (conditions) of the final assembled products are studied. A functional characteristic of the product may be affected by a set of interrelated dimensions (functional parameters) that usually form a geometrical closure in a 3D chain. In power protection and control products, the prerequisite is: when a fault occurs in the electrical network, the product must respond quickly to react and break the circuit to clear the fault. Usually, the response time is in milliseconds. Any failure in clearing the fault may result in severe damage to the equipment or network, and human safety is at stake. In this article, we have investigated two important functional characteristics that are associated with the robust performance of the product. It is demonstrated that the experimental data obtained at the Schneider Electric Laboratory prove the very good prediction capabilities of the variation simulation performed using CETOL (tolerance analysis software) in an industrial context. Especially, this study allows design engineers to better understand the critical parts in the product that needs to be manufactured with good, capable tolerances. On the contrary, some parts are not critical for the functional characteristics (conditions) of the product and may lead to some reduction of the manufacturing cost, ensuring robust performance. The capable tolerancing is one of the most important aspects in product and manufacturing process design. In the case of miniature circuit breaker (MCB), the product's quality and its robustness are mainly impacted by two aspects: (1) allocation of design tolerances between the components of a mechanical assembly and (2) manufacturing tolerances in the intermediate machining steps of component fabrication. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=geometrical%20variation" title="geometrical variation">geometrical variation</a>, <a href="https://publications.waset.org/abstracts/search?q=product%20robustness" title=" product robustness"> product robustness</a>, <a href="https://publications.waset.org/abstracts/search?q=tolerance%20analysis" title=" tolerance analysis"> tolerance analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=variation%20simulation" title=" variation simulation"> variation simulation</a> </p> <a href="https://publications.waset.org/abstracts/138415/achieving-product-robustness-through-variation-simulation-an-industrial-case-study" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/138415.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">164</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1801</span> Toward a Characteristic Optimal Power Flow Model for Temporal Constraints</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Zongjie%20Wang">Zongjie Wang</a>, <a href="https://publications.waset.org/abstracts/search?q=Zhizhong%20Guo"> Zhizhong Guo</a> </p> <p class="card-text"><strong>Abstract:</strong></p> While the regular optimal power flow model focuses on a single time scan, the optimization of power systems is typically intended for a time duration with respect to a desired objective function. In this paper, a temporal optimal power flow model for a time period is proposed. To reduce the computation burden needed for calculating temporal optimal power flow, a characteristic optimal power flow model is proposed, which employs different characteristic load patterns to represent the objective function and security constraints. A numerical method based on the interior point method is also proposed for solving the characteristic optimal power flow model. Both the temporal optimal power flow model and characteristic optimal power flow model can improve the systems’ desired objective function for the entire time period. Numerical studies are conducted on the IEEE 14 and 118-bus test systems to demonstrate the effectiveness of the proposed characteristic optimal power flow model. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=optimal%20power%20flow" title="optimal power flow">optimal power flow</a>, <a href="https://publications.waset.org/abstracts/search?q=time%20period" title=" time period"> time period</a>, <a href="https://publications.waset.org/abstracts/search?q=security" title=" security"> security</a>, <a href="https://publications.waset.org/abstracts/search?q=economy" title=" economy"> economy</a> </p> <a href="https://publications.waset.org/abstracts/61552/toward-a-characteristic-optimal-power-flow-model-for-temporal-constraints" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/61552.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">451</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1800</span> Characteristic Components in Cornusofficinalis to AGEs Injury Protective Effect and Mechanism of HUVEC </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Yu-Han%20Tao">Yu-Han Tao</a>, <a href="https://publications.waset.org/abstracts/search?q=Hui-Qin%20Xu"> Hui-Qin Xu </a> </p> <p class="card-text"><strong>Abstract:</strong></p> The present study aimed to explain the protective effect of Cornus officinalis characteristic components, under AGEs damage to HUVEC. After cultured HUVEC adhered, Cornus officinalis characteristic components such as loganin, morroniside, oleanolic acid, ursolic acid and aminoguanidine (positive control dug) hatched, after 1h the AGEs (200 mg/L) were added. After 24h, LDH, SOD, MDA, NO, ET, and AngⅡ, TGF-β, IL-1β, ROS in the supernatant were determined. The results showed the Cornus officinalis characteristic compounds could improve vitality of SOD, NO, reduce the MDA, ET, AngⅡ, TGF-β, IL-1β, ROS significantly when compared with the model groug. Loganin, oleanic acid, ursolic acid, had significant protective effect on AGEs injured HUVEC. As a conclusion, characteristic components in Cornus officinalis had a positive effect after HUVEC injured by AGEs. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Cornus%20officinalis" title="Cornus officinalis">Cornus officinalis</a>, <a href="https://publications.waset.org/abstracts/search?q=morroniside" title=" morroniside"> morroniside</a>, <a href="https://publications.waset.org/abstracts/search?q=oganin" title=" oganin"> oganin</a>, <a href="https://publications.waset.org/abstracts/search?q=oleanolic%20acid" title=" oleanolic acid"> oleanolic acid</a>, <a href="https://publications.waset.org/abstracts/search?q=ursolic%20acid" title=" ursolic acid"> ursolic acid</a> </p> <a href="https://publications.waset.org/abstracts/2916/characteristic-components-in-cornusofficinalis-to-ages-injury-protective-effect-and-mechanism-of-huvec" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/2916.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">381</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1799</span> The Geometrical Cosmology: The Projective Cast of the Collective Subjectivity of the Chinese Traditional Architectural Drawings</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Lina%20Sun">Lina Sun</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Chinese traditional drawings related to buildings and construction apply a unique geometry differentiating with western Euclidean geometry and embrace a collection of special terminologies, under the category of tu (the Chinese character for drawing). This paper will on one side etymologically analysis the terminologies of Chinese traditional architectural drawing, and on the other side geometrically deconstruct the composition of tu and locate the visual narrative language of tu in the pictorial tradition. The geometrical analysis will center on selected series of Yang-shi-lei tu of the construction of emperors’ mausoleums in Qing Dynasty (1636-1912), and will also draw out the earlier architectural drawings and the architectural paintings such as the jiehua, and paintings on religious frescoes and tomb frescoes as the comparison. By doing these, this research will reveal that both the terminologies corresponding to different geometrical forms respectively indicate associations between architectural drawing and the philosophy of Chinese cosmology, and the arrangement of the geometrical forms in the visual picture plane facilitates expressions of the concepts of space and position in the geometrical cosmology. These associations and expressions are the collective intentions of architectural drawing evolving in the thousands of years’ tradition without breakage and irrelevant to the individual authorship. Moreover, the architectural tu itself as an entity, not only functions as the representation of the buildings but also express intentions and strengthen them by using the Chinese unique geometrical language flexibly and intentionally. These collective cosmological spatial intentions and the corresponding geometrical words and languages reveal that the Chinese traditional architectural drawing functions as a unique architectural site with subjectivity which exists parallel with buildings and express intentions and meanings by itself. The methodology and the findings of this research will, therefore, challenge the previous researches which treat architectural drawings just as the representation of buildings and understand the drawings more than just using them as the evidence to reconstruct the information of buildings. Furthermore, this research will situate architectural drawing in between the researches of Chinese technological tu and artistic painting, bridging the two academic areas which usually treated the partial features of architectural drawing separately. Beyond this research, the collective subjectivity of the Chinese traditional drawings will facilitate the revealing of the transitional experience from traditions to drawing modernity, where the individual subjective identities and intentions of architects arise. This research will root for the understanding both the ambivalence and affinity of the drawing modernity encountering the traditions. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Chinese%20traditional%20architectural%20drawing%20%28tu%29" title="Chinese traditional architectural drawing (tu)">Chinese traditional architectural drawing (tu)</a>, <a href="https://publications.waset.org/abstracts/search?q=etymology%20of%20tu" title=" etymology of tu"> etymology of tu</a>, <a href="https://publications.waset.org/abstracts/search?q=collective%20subjectivity%20of%20tu" title=" collective subjectivity of tu"> collective subjectivity of tu</a>, <a href="https://publications.waset.org/abstracts/search?q=geometrical%20cosmology%20in%20tu" title=" geometrical cosmology in tu"> geometrical cosmology in tu</a>, <a href="https://publications.waset.org/abstracts/search?q=geometry%20and%20composition%20of%20tu" title=" geometry and composition of tu"> geometry and composition of tu</a>, <a href="https://publications.waset.org/abstracts/search?q=Yang-shi-lei%20tu" title=" Yang-shi-lei tu"> Yang-shi-lei tu</a> </p> <a href="https://publications.waset.org/abstracts/112131/the-geometrical-cosmology-the-projective-cast-of-the-collective-subjectivity-of-the-chinese-traditional-architectural-drawings" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/112131.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">121</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1798</span> Classifying and Analysis 8-Bit to 8-Bit S-Boxes Characteristic Using S-Box Evaluation Characteristic</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Muhammad%20Luqman">Muhammad Luqman</a>, <a href="https://publications.waset.org/abstracts/search?q=Yusuf%20Kurniawan"> Yusuf Kurniawan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> S-Boxes is one of the linear parts of the cryptographic algorithm. The existence of S-Box in the cryptographic algorithm is needed to maintain non-linearity of the algorithm. Nowadays, modern cryptographic algorithms use an S-Box as a part of algorithm process. Despite the fact that several cryptographic algorithms today reuse theoretically secure and carefully constructed S-Boxes, there is an evaluation characteristic that can measure security properties of S-Boxes and hence the corresponding primitives. Analysis of an S-Box usually is done using manual mathematics calculation. Several S-Boxes are presented as a Truth Table without any mathematical background algorithm. Then, it’s rather difficult to determine the strength of Truth Table S-Box without a mathematical algorithm. A comprehensive analysis should be applied to the Truth Table S-Box to determine the characteristic. Several important characteristics should be owned by the S-Boxes, they are Nonlinearity, Balancedness, Algebraic degree, LAT, DAT, differential delta uniformity, correlation immunity and global avalanche criterion. Then, a comprehensive tool will be present to automatically calculate the characteristics of S-Boxes and determine the strength of S-Box. Comprehensive analysis is done on a deterministic process to produce a sequence of S-Boxes characteristic and give advice for a better S-Box construction. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cryptographic%20properties" title="cryptographic properties">cryptographic properties</a>, <a href="https://publications.waset.org/abstracts/search?q=Truth%20Table%20S-Boxes" title=" Truth Table S-Boxes"> Truth Table S-Boxes</a>, <a href="https://publications.waset.org/abstracts/search?q=S-Boxes%20characteristic" title=" S-Boxes characteristic"> S-Boxes characteristic</a>, <a href="https://publications.waset.org/abstracts/search?q=deterministic%20process" title=" deterministic process"> deterministic process</a> </p> <a href="https://publications.waset.org/abstracts/65017/classifying-and-analysis-8-bit-to-8-bit-s-boxes-characteristic-using-s-box-evaluation-characteristic" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/65017.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">362</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1797</span> Effect of the Workpiece Position on the Manufacturing Tolerances</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Rahou%20Mohamed">Rahou Mohamed </a>, <a href="https://publications.waset.org/abstracts/search?q=Sebaa%20Fethi"> Sebaa Fethi</a>, <a href="https://publications.waset.org/abstracts/search?q=Cheikh%20Abdelmadjid"> Cheikh Abdelmadjid</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Manufacturing tolerancing is intended to determine the intermediate geometrical and dimensional states of the part during its manufacturing process. These manufacturing dimensions also serve to satisfy not only the functional requirements given in the definition drawing but also the manufacturing constraints, for example geometrical defects of the machine, vibration, and the wear of the cutting tool. The choice of positioning has an important influence on the cost and quality of manufacture. To avoid this problem, a two-step approach have been developed. The first step is dedicated to the determination of the optimum position. As for the second step, a study was carried out for the tightening effect on the tolerance interval. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=dispersion" title="dispersion">dispersion</a>, <a href="https://publications.waset.org/abstracts/search?q=tolerance" title=" tolerance"> tolerance</a>, <a href="https://publications.waset.org/abstracts/search?q=manufacturing" title=" manufacturing"> manufacturing</a>, <a href="https://publications.waset.org/abstracts/search?q=position" title=" position"> position</a> </p> <a href="https://publications.waset.org/abstracts/24541/effect-of-the-workpiece-position-on-the-manufacturing-tolerances" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/24541.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">336</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1796</span> Numerical Investigation of Fluid Flow, Characteristics of Thermal Performance and Enhancement of Heat Transfer of Corrugated Pipes with Various Geometrical Configurations</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20Ramadhan%20Al-Obaidi">Ahmed Ramadhan Al-Obaidi</a>, <a href="https://publications.waset.org/abstracts/search?q=Jassim%20Alhamid"> Jassim Alhamid</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this investigation, the flow pattern, characteristics of thermal-hydraulic, and improvement of heat transfer performance are evaluated using a numerical technique in three dimensions corrugated pipe heat exchanger. The modification was made under different corrugated pipe geometrical parameters, including corrugated ring angle (CRA), distance between corrugated ring (DBCR), and corrugated diameter (CD), the range of Re number from 2000 to 12000. The numerical results are validated with available experimental data. The numerical outcomes reveal that there is an important change in flow field behaviour and a significant increase in friction factor and improvement in heat transfer performance owing to the use of the corrugated shape in the heat exchanger pipe as compared to the conventional smooth pipe. Using corrugated pipe with different configurations makes the flow more turbulence, flow separation, boundary layer distribution, flow mixing, and that leads to augmenting the performance of heat transfer. Moreover, the value of pressure drop, and the Nusselt number increases as the corrugated pipe geometrical parameters increase. Furthermore, the corrugation configuration shapes have an important influence on the thermal evaluation performance factor, and the maximum value was more than 1.3. Numerical simulation can be performed to predict the various geometrical configurations effects on fluid flow, thermal performance, and heat transfer enhancement. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=corrugated%20ring%20angle" title="corrugated ring angle">corrugated ring angle</a>, <a href="https://publications.waset.org/abstracts/search?q=corrugated%20diameter" title=" corrugated diameter"> corrugated diameter</a>, <a href="https://publications.waset.org/abstracts/search?q=Nusselt%20number" title=" Nusselt number"> Nusselt number</a>, <a href="https://publications.waset.org/abstracts/search?q=heat%20transfer" title=" heat transfer "> heat transfer </a> </p> <a href="https://publications.waset.org/abstracts/127154/numerical-investigation-of-fluid-flow-characteristics-of-thermal-performance-and-enhancement-of-heat-transfer-of-corrugated-pipes-with-various-geometrical-configurations" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/127154.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">143</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1795</span> Analysis of the Engineering Judgement Influence on the Selection of Geotechnical Parameters Characteristic Values</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=K.%20Ivandic">K. Ivandic</a>, <a href="https://publications.waset.org/abstracts/search?q=F.%20Dodigovic"> F. Dodigovic</a>, <a href="https://publications.waset.org/abstracts/search?q=D.%20Stuhec"> D. Stuhec</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Strelec"> S. Strelec</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A characteristic value of certain geotechnical parameter results from an engineering assessment. Its selection has to be based on technical principles and standards of engineering practice. It has been shown that the results of engineering assessment of different authors for the same problem and input data are significantly dispersed. A survey was conducted in which participants had to estimate the force that causes a 10 cm displacement at the top of a axially in-situ compressed pile. Fifty experts from all over the world took part in it. The lowest estimated force value was 42% and the highest was 133% of measured force resulting from a mentioned static pile load test. These extreme values result in significantly different technical solutions to the same engineering task. In case of selecting a characteristic value of a geotechnical parameter the importance of the influence of an engineering assessment can be reduced by using statistical methods. An informative annex of Eurocode 1 prescribes the method of selecting the characteristic values of material properties. This is followed by Eurocode 7 with certain specificities linked to selecting characteristic values of geotechnical parameters. The paper shows the procedure of selecting characteristic values of a geotechnical parameter by using a statistical method with different initial conditions. The aim of the paper is to quantify an engineering assessment in the example of determining a characteristic value of a specific geotechnical parameter. It is assumed that this assessment is a random variable and that its statistical features will be determined. For this purpose, a survey research was conducted among relevant experts from the field of geotechnical engineering. Conclusively, the results of the survey and the application of statistical method were compared. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=characteristic%20values" title="characteristic values">characteristic values</a>, <a href="https://publications.waset.org/abstracts/search?q=engineering%20judgement" title=" engineering judgement"> engineering judgement</a>, <a href="https://publications.waset.org/abstracts/search?q=Eurocode%207" title=" Eurocode 7"> Eurocode 7</a>, <a href="https://publications.waset.org/abstracts/search?q=statistical%20methods" title=" statistical methods"> statistical methods</a> </p> <a href="https://publications.waset.org/abstracts/87290/analysis-of-the-engineering-judgement-influence-on-the-selection-of-geotechnical-parameters-characteristic-values" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/87290.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">296</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1794</span> Characteristic Study on Conventional and Soliton Based Transmission System</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Bhupeshwaran%20Mani">Bhupeshwaran Mani</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Radha"> S. Radha</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Jawahar"> A. Jawahar</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Sivasubramanian"> A. Sivasubramanian</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Here, we study the characteristic feature of conventional (ON-OFF keying) and soliton based transmission system. We consider 20 Gbps transmission system implemented with Conventional Single Mode Fiber (C-SMF) to examine the role of Gaussian pulse which is the characteristic of conventional propagation and hyperbolic-secant pulse which is the characteristic of soliton propagation in it. We note the influence of these pulses with respect to different dispersion lengths and soliton period in conventional and soliton system, respectively, and evaluate the system performance in terms of quality factor. From the analysis, we could prove that the soliton pulse has more consistent performance even for long distance without dispersion compensation than the conventional system as it is robust to dispersion. For the length of transmission of 200 Km, soliton system yielded Q of 33.958 while the conventional system totally exhausted with Q=0. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=dispersion%20length" title="dispersion length">dispersion length</a>, <a href="https://publications.waset.org/abstracts/search?q=retrun-to-zero%20%28rz%29" title=" retrun-to-zero (rz)"> retrun-to-zero (rz)</a>, <a href="https://publications.waset.org/abstracts/search?q=soliton" title=" soliton"> soliton</a>, <a href="https://publications.waset.org/abstracts/search?q=soliton%20period" title=" soliton period"> soliton period</a>, <a href="https://publications.waset.org/abstracts/search?q=q-factor" title=" q-factor"> q-factor</a> </p> <a href="https://publications.waset.org/abstracts/30789/characteristic-study-on-conventional-and-soliton-based-transmission-system" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/30789.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">343</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1793</span> 3D Receiver Operator Characteristic Histogram</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Xiaoli%20Zhang">Xiaoli Zhang</a>, <a href="https://publications.waset.org/abstracts/search?q=Xiongfei%20Li"> Xiongfei Li</a>, <a href="https://publications.waset.org/abstracts/search?q=Yuncong%20Feng"> Yuncong Feng</a> </p> <p class="card-text"><strong>Abstract:</strong></p> ROC curves, as a widely used evaluating tool in machine learning field, are the tradeoff of true positive rate and negative rate. However, they are blamed for ignoring some vital information in the evaluation process, such as the amount of information about the target that each instance carries, predicted score given by each classification model to each instance. Hence, in this paper, a new classification performance method is proposed by extending the Receiver Operator Characteristic (ROC) curves to 3D space, which is denoted as 3D ROC Histogram. In the histogram, the <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=classification" title="classification">classification</a>, <a href="https://publications.waset.org/abstracts/search?q=performance%20evaluation" title=" performance evaluation"> performance evaluation</a>, <a href="https://publications.waset.org/abstracts/search?q=receiver%20operating%20characteristic%20histogram" title=" receiver operating characteristic histogram"> receiver operating characteristic histogram</a>, <a href="https://publications.waset.org/abstracts/search?q=hardness%20prediction" title=" hardness prediction"> hardness prediction</a> </p> <a href="https://publications.waset.org/abstracts/44143/3d-receiver-operator-characteristic-histogram" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/44143.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">313</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1792</span> Medical Image Classification Using Legendre Multifractal Spectrum Features</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=R.%20Korchiyne">R. Korchiyne</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Sbihi"> A. Sbihi</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20M.%20Farssi"> S. M. Farssi</a>, <a href="https://publications.waset.org/abstracts/search?q=R.%20Touahni"> R. Touahni</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Tahiri%20Alaoui"> M. Tahiri Alaoui</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Trabecular bone structure is important texture in the study of osteoporosis. Legendre multifractal spectrum can reflect the complex and self-similarity characteristic of structures. The main objective of this paper is to develop a new technique of medical image classification based on Legendre multifractal spectrum. Novel features have been developed from basic geometrical properties of this spectrum in a supervised image classification. The proposed method has been successfully used to classify medical images of bone trabeculations, and could be a useful supplement to the clinical observations for osteoporosis diagnosis. A comparative study with existing data reveals that the results of this approach are concordant. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=multifractal%20analysis" title="multifractal analysis">multifractal analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=medical%20image" title=" medical image"> medical image</a>, <a href="https://publications.waset.org/abstracts/search?q=osteoporosis" title=" osteoporosis"> osteoporosis</a>, <a href="https://publications.waset.org/abstracts/search?q=fractal%20dimension" title=" fractal dimension"> fractal dimension</a>, <a href="https://publications.waset.org/abstracts/search?q=Legendre%20spectrum" title=" Legendre spectrum"> Legendre spectrum</a>, <a href="https://publications.waset.org/abstracts/search?q=supervised%20classification" title=" supervised classification"> supervised classification</a> </p> <a href="https://publications.waset.org/abstracts/15795/medical-image-classification-using-legendre-multifractal-spectrum-features" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/15795.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">514</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1791</span> Mathematical Toolbox for editing Equations and Geometrical Diagrams and Graphs</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ayola%20D.%20N.%20Jayamaha">Ayola D. N. Jayamaha</a>, <a href="https://publications.waset.org/abstracts/search?q=Gihan%20V.%20Dias"> Gihan V. Dias</a>, <a href="https://publications.waset.org/abstracts/search?q=Surangika%20Ranathunga"> Surangika Ranathunga</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Currently there are lot of educational tools designed for mathematics. Open source software such as GeoGebra and Octave are bulky in their architectural structure. In addition, there is MathLab software, which facilitates much more than what we ask for. Many of the computer aided online grading and assessment tools require integrating editors to their software. However, there are not exist suitable editors that cater for all their needs in editing equations and geometrical diagrams and graphs. Some of the existing software for editing equations is Alfred’s Equation Editor, Codecogs, DragMath, Maple, MathDox, MathJax, MathMagic, MathFlow, Math-o-mir, Microsoft Equation Editor, MiraiMath, OpenOffice, WIRIS Editor and MyScript. Some of them are commercial, open source, supports handwriting recognition, mobile apps, renders MathML/LaTeX, Flash / Web based and javascript display engines. Some of the diagram editors are GeoKone.NET, Tabulae, Cinderella 1.4, MyScript, Dia, Draw2D touch, Gliffy, GeoGebra, Flowchart, Jgraph, JointJS, J painter Online diagram editor and 2D sketcher. All these software are open source except for MyScript and can be used for editing mathematical diagrams. However, they do not fully cater the needs of a typical computer aided assessment tool or Educational Platform for Mathematics. This solution provides a Web based, lightweight, easy to implement and integrate solution of an html5 canvas that renders on all of the modern web browsers. The scope of the project is an editor that covers equations and mathematical diagrams and drawings on the O/L Mathematical Exam Papers in Sri Lanka. Using the tool the students can enter any equation to the system which can be on an online remote learning platform. The users can also create and edit geometrical drawings, graphs and do geometrical constructions that require only Compass and Ruler from the Editing Interface provided by the Software. The special feature of this software is the geometrical constructions. It allows the users to create geometrical constructions such as angle bisectors, perpendicular lines, angles of 600 and perpendicular bisectors. The tool correctly imitates the functioning of rulers and compasses to create the required geometrical construction. Therefore, the users are able to do geometrical drawings on the computer successfully and we have a digital format of the geometrical drawing for further processing. Secondly, we can create and edit Venn Diagrams, color them and label them. In addition, the students can draw probability tree diagrams and compound probability outcome grids. They can label and mark regions within the grids. Thirdly, students can draw graphs (1st order and 2nd order). They can mark points on a graph paper and the system connects the dots to draw the graph. Further students are able to draw standard shapes such as circles and rectangles by selecting points on a grid or entering the parametric values. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=geometrical%20drawings" title="geometrical drawings">geometrical drawings</a>, <a href="https://publications.waset.org/abstracts/search?q=html5%20canvas" title=" html5 canvas"> html5 canvas</a>, <a href="https://publications.waset.org/abstracts/search?q=mathematical%20equations" title=" mathematical equations"> mathematical equations</a>, <a href="https://publications.waset.org/abstracts/search?q=toolbox" title=" toolbox"> toolbox</a> </p> <a href="https://publications.waset.org/abstracts/39780/mathematical-toolbox-for-editing-equations-and-geometrical-diagrams-and-graphs" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/39780.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">376</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1790</span> A Geometrical Perspective on the Insulin Evolution</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Yuhei%20Kunihiro">Yuhei Kunihiro</a>, <a href="https://publications.waset.org/abstracts/search?q=Sorin%20V.%20Sabau"> Sorin V. Sabau</a>, <a href="https://publications.waset.org/abstracts/search?q=Kazuhiro%20Shibuya"> Kazuhiro Shibuya</a> </p> <p class="card-text"><strong>Abstract:</strong></p> We study the molecular evolution of insulin from the metric geometry point of view. In mathematics, and particularly in geometry, distances and metrics between objects are of fundamental importance. Using a weaker notion than the classical distance, namely the weighted quasi-metrics, one can study the geometry of biological sequences (DNA, mRNA, or proteins) space. We analyze from the geometrical point of view a family of 60 insulin homologous sequences ranging on a large variety of living organisms from human to the nematode C. elegans. We show that the distances between sequences provide important information about the evolution and function of insulin. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=metric%20geometry" title="metric geometry">metric geometry</a>, <a href="https://publications.waset.org/abstracts/search?q=evolution" title=" evolution"> evolution</a>, <a href="https://publications.waset.org/abstracts/search?q=insulin" title=" insulin"> insulin</a>, <a href="https://publications.waset.org/abstracts/search?q=C.%20elegans" title=" C. elegans "> C. elegans </a> </p> <a href="https://publications.waset.org/abstracts/1430/a-geometrical-perspective-on-the-insulin-evolution" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/1430.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">336</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1789</span> Use of Geometrical Relationship in the Ancient Vihara Housing Reclining Buddha Remains of Thailand's Kamphaeng Phet World Heritage Site</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Vacharee%20Svamivastu">Vacharee Svamivastu</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This research investigates the application of geometrical relationship to the ancient religious assembly hall (Vihara) housing a reclining Buddha statue of Thailand's Kamphaeng Phet Historical Park. The study utilizes the archaeological and wooden roof structure remains of the Vihara as the prima facie evidence, supplemented with evidence from other active archaeological sites with architectural kinship as well as Buddhist ideology. At present, the wooden roofs of the Vihara fell prey to the elements and there remain only the base, columns and enclosing walls. Unlike typical Viharas whose floor plan are of rectangular shape, the floor plan of the Vihara housing the reclining Buddha is of square configuration of 25x25m. Further observation has revealed the utilization of large laterite boulders as the principal construction material of the assembly hall (Vihara) columns. The laterite columns are of square shape (1x1m) and various heights (H), ranging from 3.50m to 5.50m. The erection of the Vihara required a total of 36 laterite columns. The pattern of columns arrangement is of two rows of inner columns, two rows of outer columns and two rows of verandah columns. The space between pairs of the verandah columns was stacked with laterite blocks of varying sizes to form the Vihara walls with small openings for ventilation. Upon applying the geometrical relationship-grid system to the Vihara, the results reveal that the placement of the columns was deliberately and masterfully undertaken such that the center of the square-shaped Vihara is conspicuously spacious so as to accommodate the sacred reclining Buddha statue. The elegance of the Vihara demonstrates the ingenious application of geometrical relationship to transforming a space into a structure (i.e. Vihara) of architectural and religious significance. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=geometrical%20relationship" title="geometrical relationship">geometrical relationship</a>, <a href="https://publications.waset.org/abstracts/search?q=the%20religious%20assembly%20hall" title=" the religious assembly hall"> the religious assembly hall</a>, <a href="https://publications.waset.org/abstracts/search?q=Vihara" title=" Vihara"> Vihara</a>, <a href="https://publications.waset.org/abstracts/search?q=Kamphaeng%20Phet%20School%20of%20Master%20Builder" title=" Kamphaeng Phet School of Master Builder"> Kamphaeng Phet School of Master Builder</a> </p> <a href="https://publications.waset.org/abstracts/52018/use-of-geometrical-relationship-in-the-ancient-vihara-housing-reclining-buddha-remains-of-thailands-kamphaeng-phet-world-heritage-site" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/52018.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">275</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1788</span> Investigation of Knitted Fabric Properties Effect on Evaporation Rate </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=N.%20S.%20Achour">N. S. Achour</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Hamdaoui"> M. Hamdaoui</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Ben%20Nasrallah"> S. Ben Nasrallah</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Evaporation kinetics of water from porous knitted fabrics are studied: An experimental study of determining evaporated water mass (g) versus time (s) from different knitted fabrics was gravimetrically investigated in various atmospheric conditions. Then evaporation rates are calculated. The goal is to determine the effect of fabric composition, knit structure and yarns properties on evaporation rate. The results show that fabrics geometrical properties, such as porosity and thickness, have a significant influence on evaporated water quantities. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=evaporation%20rate" title="evaporation rate">evaporation rate</a>, <a href="https://publications.waset.org/abstracts/search?q=experimental%20study" title=" experimental study"> experimental study</a>, <a href="https://publications.waset.org/abstracts/search?q=geometrical%20properties" title=" geometrical properties"> geometrical properties</a>, <a href="https://publications.waset.org/abstracts/search?q=porous%20knitted%20fabrics" title=" porous knitted fabrics"> porous knitted fabrics</a> </p> <a href="https://publications.waset.org/abstracts/29062/investigation-of-knitted-fabric-properties-effect-on-evaporation-rate" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/29062.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">503</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1787</span> Bending Effect on POF Splitter Performance for Different Thickness of Fiber Cores</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=L.%20S.%20Supian">L. S. Supian</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohd%20Syuhaimi%20Ab-Rahman"> Mohd Syuhaimi Ab-Rahman</a>, <a href="https://publications.waset.org/abstracts/search?q=Norhana%20Arsad"> Norhana Arsad</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Experimental study has been done to study the performance on polymer optical fiber splitter characterization when different bending radii are applied on splitters with different fiber cores. The splitters with different cores pair are attached successively to splitter platform of ellipse-shape geometrical blocks of several bending radii. A force is exerted upon the blocks thus the splitter in order to encourage the splitting of energy between the two fibers. The aim of this study is to investigate which fiber core pair gives the optimum performance that goes with each bending radius in order to develop an effective splitter. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=splitter" title="splitter">splitter</a>, <a href="https://publications.waset.org/abstracts/search?q=macro-bending" title=" macro-bending"> macro-bending</a>, <a href="https://publications.waset.org/abstracts/search?q=cores" title=" cores"> cores</a>, <a href="https://publications.waset.org/abstracts/search?q=geometrical%20blocks" title=" geometrical blocks"> geometrical blocks</a> </p> <a href="https://publications.waset.org/abstracts/13489/bending-effect-on-pof-splitter-performance-for-different-thickness-of-fiber-cores" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/13489.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">672</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1786</span> Effect of Inclusions in the Ultrasonic Fatigue Endurance of Maraging 300 Steel</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=G.%20M.%20Dominguez%20Almaraz">G. M. Dominguez Almaraz</a>, <a href="https://publications.waset.org/abstracts/search?q=J.%20A.%20Ruiz%20Vilchez"> J. A. Ruiz Vilchez</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20A.%20Sanchez%20Miranda"> M. A. Sanchez Miranda</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Ultrasonic fatigue tests have been carried out in the maraging 300 steel. Experimental results show that fatigue endurance under this modality of testing is closely related to the nature and geometrical properties of inclusions present in this alloy. A model was proposed to correlate the ultrasonic fatigue endurance with the nature and geometrical properties of the crack initiation inclusion. Scanning Electron Microscopy analyses were obtained on the fracture surfaces, in order to assess the crack initiation inclusion and to introduce these parameters in the proposed model, with good agreement for the fatigue life prediction. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=inclusions" title="inclusions">inclusions</a>, <a href="https://publications.waset.org/abstracts/search?q=ultrasonic%20fatigue" title=" ultrasonic fatigue"> ultrasonic fatigue</a>, <a href="https://publications.waset.org/abstracts/search?q=maraging%20300%20steel" title=" maraging 300 steel"> maraging 300 steel</a>, <a href="https://publications.waset.org/abstracts/search?q=crack%20initiation" title=" crack initiation"> crack initiation</a> </p> <a href="https://publications.waset.org/abstracts/141323/effect-of-inclusions-in-the-ultrasonic-fatigue-endurance-of-maraging-300-steel" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/141323.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">214</span> </span> </div> </div> <ul class="pagination"> <li class="page-item disabled"><span class="page-link">&lsaquo;</span></li> <li class="page-item active"><span class="page-link">1</span></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=geometrical%20characteristic&page=2">2</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=geometrical%20characteristic&page=3">3</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=geometrical%20characteristic&page=4">4</a></li> <li class="page-item"><a class="page-link" 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