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Search results for: CFD modeling
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for: CFD modeling</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">3911</span> Modeling of the Pores Form Influence on the Hydraulic Resistance of Membranes and Their Permeability</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Zhanat%20Umarova">Zhanat Umarova</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Until the present time, modeling of the pores form influence on the hydraulic resistance of membranes and their permeability has not been analyzed. The aim of the given work is the theoretical consideration of the issue on the productivity of polymer membranes with the profile pores and determination of the optimum form of pores. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=modeling" title="modeling">modeling</a>, <a href="https://publications.waset.org/abstracts/search?q=polymer%20membranes" title=" polymer membranes"> polymer membranes</a>, <a href="https://publications.waset.org/abstracts/search?q=permeability" title=" permeability"> permeability</a>, <a href="https://publications.waset.org/abstracts/search?q=pore%E2%80%99s%20density" title=" pore’s density"> pore’s density</a> </p> <a href="https://publications.waset.org/abstracts/17321/modeling-of-the-pores-form-influence-on-the-hydraulic-resistance-of-membranes-and-their-permeability" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/17321.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">395</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">3910</span> Modeling and Simulation of Practical Metamaterial Structures</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ridha%20Salhi">Ridha Salhi</a>, <a href="https://publications.waset.org/abstracts/search?q=Mondher%20Labidi"> Mondher Labidi</a>, <a href="https://publications.waset.org/abstracts/search?q=Fethi%20Choubani"> Fethi Choubani</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Metamaterials have attracted much attention in recent years because of their electromagnetic exquisite proprieties. We will present, in this paper, the modeling of three metamaterial structures by equivalent circuit model. We begin by modeling the SRR (Split Ring Resonator), then we model the HIS (High Impedance Surfaces), and finally, we present the model of the CPW (Coplanar Wave Guide). In order to validate models, we compare the results obtained by an equivalent circuit models with numerical simulation. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=metamaterials" title="metamaterials">metamaterials</a>, <a href="https://publications.waset.org/abstracts/search?q=SRR" title=" SRR"> SRR</a>, <a href="https://publications.waset.org/abstracts/search?q=HIS" title=" HIS"> HIS</a>, <a href="https://publications.waset.org/abstracts/search?q=CPW" title=" CPW"> CPW</a>, <a href="https://publications.waset.org/abstracts/search?q=IDC" title=" IDC"> IDC</a> </p> <a href="https://publications.waset.org/abstracts/32369/modeling-and-simulation-of-practical-metamaterial-structures" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/32369.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">429</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">3909</span> A Review on Modeling and Optimization of Integration of Renewable Energy Resources (RER) for Minimum Energy Cost, Minimum CO₂ Emissions and Sustainable Development, in Recent Years</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M.%20M.%20Wagh">M. M. Wagh</a>, <a href="https://publications.waset.org/abstracts/search?q=V.%20V.%20Kulkarni"> V. V. Kulkarni</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The rising economic activities, growing population and improving living standards of world have led to a steady growth in its appetite for quality and quantity of energy services. As the economy expands the electricity demand is going to grow further, increasing the challenges of the more generation and stresses on the utility grids. Appropriate energy model will help in proper utilization of the locally available renewable energy sources such as solar, wind, biomass, small hydro etc. to integrate in the available grid, reducing the investments in energy infrastructure. Further to these new technologies like smart grids, decentralized energy planning, energy management practices, energy efficiency are emerging. In this paper, the attempt has been made to study and review the recent energy planning models, energy forecasting models, and renewable energy integration models. In addition, various modeling techniques and tools are reviewed and discussed. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=energy%20modeling" title="energy modeling">energy modeling</a>, <a href="https://publications.waset.org/abstracts/search?q=integration%20of%20renewable%20energy" title=" integration of renewable energy"> integration of renewable energy</a>, <a href="https://publications.waset.org/abstracts/search?q=energy%20modeling%20tools" title=" energy modeling tools"> energy modeling tools</a>, <a href="https://publications.waset.org/abstracts/search?q=energy%20modeling%20techniques" title=" energy modeling techniques"> energy modeling techniques</a> </p> <a href="https://publications.waset.org/abstracts/46884/a-review-on-modeling-and-optimization-of-integration-of-renewable-energy-resources-rer-for-minimum-energy-cost-minimum-co2-emissions-and-sustainable-development-in-recent-years" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/46884.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">344</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">3908</span> Modeling and Simulation of Underwater Flexible Manipulator as Raleigh Beam Using Bond Graph</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sumit%20Kumar">Sumit Kumar</a>, <a href="https://publications.waset.org/abstracts/search?q=Sunil%20Kumar"> Sunil Kumar</a>, <a href="https://publications.waset.org/abstracts/search?q=Chandan%20Deep%20Singh"> Chandan Deep Singh</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper presents modeling and simulation of flexible robot in an underwater environment. The underwater environment completely contrasts with ground or space environment. The robot in an underwater situation is subjected to various dynamic forces like buoyancy forces, hydrostatic and hydrodynamic forces. The underwater robot is modeled as Rayleigh beam. The developed model further allows estimating the deflection of tip in two directions. The complete dynamics of the underwater robot is analyzed, which is the main focus of this investigation. The control of robot trajectory is not discussed in this paper. Simulation is performed using Symbol Shakti software. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=bond%20graph%20modeling" title="bond graph modeling">bond graph modeling</a>, <a href="https://publications.waset.org/abstracts/search?q=dynamics.%20modeling" title=" dynamics. modeling"> dynamics. modeling</a>, <a href="https://publications.waset.org/abstracts/search?q=rayleigh%20beam" title=" rayleigh beam"> rayleigh beam</a>, <a href="https://publications.waset.org/abstracts/search?q=underwater%20robot" title=" underwater robot"> underwater robot</a> </p> <a href="https://publications.waset.org/abstracts/33594/modeling-and-simulation-of-underwater-flexible-manipulator-as-raleigh-beam-using-bond-graph" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/33594.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">586</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">3907</span> Research and Application of the Three-Dimensional Visualization Geological Modeling of Mine</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Bin%20Wang">Bin Wang</a>, <a href="https://publications.waset.org/abstracts/search?q=Yong%20Xu"> Yong Xu</a>, <a href="https://publications.waset.org/abstracts/search?q=Honggang%20Qu"> Honggang Qu</a>, <a href="https://publications.waset.org/abstracts/search?q=Rongmei%20Liu"> Rongmei Liu</a>, <a href="https://publications.waset.org/abstracts/search?q=Zhenji%20Gao"> Zhenji Gao</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Today's mining industry is advancing gradually toward digital and visual direction. The three dimensional visualization geological modeling of mine is the digital characterization of mineral deposit, and is one of the key technology of digital mine. The three-dimensional geological modeling is a technology that combines the geological spatial information management, geological interpretation, geological spatial analysis and prediction, geostatistical analysis, entity content analysis and graphic visualization in three-dimensional environment with computer technology, and is used in geological analysis. In this paper, the three-dimensional geological modeling of an iron mine through the use of Surpac is constructed, and the weight difference of the estimation methods between distance power inverse ratio method and ordinary kriging is studied, and the ore body volume and reserves are simulated and calculated by using these two methods. Compared with the actual mine reserves, its result is relatively accurate, so it provided scientific bases for mine resource assessment, reserve calculation, mining design and so on. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=three-dimensional%20geological%20modeling" title="three-dimensional geological modeling">three-dimensional geological modeling</a>, <a href="https://publications.waset.org/abstracts/search?q=geological%20database" title=" geological database"> geological database</a>, <a href="https://publications.waset.org/abstracts/search?q=geostatistics" title=" geostatistics"> geostatistics</a>, <a href="https://publications.waset.org/abstracts/search?q=block%20model" title=" block model"> block model</a> </p> <a href="https://publications.waset.org/abstracts/167346/research-and-application-of-the-three-dimensional-visualization-geological-modeling-of-mine" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/167346.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">70</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">3906</span> Proposal of Design Method in the Semi-Acausal System Model</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Shigeyuki%20Haruyama">Shigeyuki Haruyama</a>, <a href="https://publications.waset.org/abstracts/search?q=Ken%20Kaminishi"> Ken Kaminishi</a>, <a href="https://publications.waset.org/abstracts/search?q=Junji%20Kaneko"> Junji Kaneko</a>, <a href="https://publications.waset.org/abstracts/search?q=Tadayuki%20Kyoutani"> Tadayuki Kyoutani</a>, <a href="https://publications.waset.org/abstracts/search?q=Siti%20Ruhana%20Omar"> Siti Ruhana Omar</a>, <a href="https://publications.waset.org/abstracts/search?q=Oke%20Oktavianty"> Oke Oktavianty</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study is used as a definition method to the value and function in manufacturing sector. In concurrence of discussion about present condition of modeling method, until now definition of 1D-CAE is ambiguity and not conceptual. Across all the physics fields, those methods are defined with the formulation of differential algebraic equation which only applied time derivation and simulation. At the same time, we propose semi-acausal modeling concept and differential algebraic equation method as a newly modeling method which the efficiency has been verified through the comparison of numerical analysis result between the semi-acausal modeling calculation and FEM theory calculation. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=system%20model" title="system model">system model</a>, <a href="https://publications.waset.org/abstracts/search?q=physical%20models" title=" physical models"> physical models</a>, <a href="https://publications.waset.org/abstracts/search?q=empirical%20models" title=" empirical models"> empirical models</a>, <a href="https://publications.waset.org/abstracts/search?q=conservation%20law" title=" conservation law"> conservation law</a>, <a href="https://publications.waset.org/abstracts/search?q=differential%20algebraic%20equation" title=" differential algebraic equation"> differential algebraic equation</a>, <a href="https://publications.waset.org/abstracts/search?q=object-oriented" title=" object-oriented"> object-oriented</a> </p> <a href="https://publications.waset.org/abstracts/24516/proposal-of-design-method-in-the-semi-acausal-system-model" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/24516.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">485</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">3905</span> Requirements Definitions of Real-Time System Using the Behavioral Patterns Analysis (BPA) Approach: The Healthcare Multi-Agent System</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Assem%20El-Ansary">Assem El-Ansary</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper illustrates the event-oriented Behavioral Pattern Analysis (BPA) modeling approach using the Healthcare Multi-Agent System. The Event defined in BPA is a real-life conceptual entity that is unrelated to any implementation. The major contributions of this research are: The Behavioral Pattern Analysis (BPA) modeling methodology. The development of an interactive software tool (DECISION), which is based on a combination of the Analytic Hierarchy Process (AHP) and the ELECTRE Multi-Criteria Decision Making (MCDM) methods. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=analysis" title="analysis">analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=modeling%20methodology" title=" modeling methodology"> modeling methodology</a>, <a href="https://publications.waset.org/abstracts/search?q=software%20modeling" title=" software modeling"> software modeling</a>, <a href="https://publications.waset.org/abstracts/search?q=event-oriented" title=" event-oriented"> event-oriented</a>, <a href="https://publications.waset.org/abstracts/search?q=behavioral%20pattern" title=" behavioral pattern"> behavioral pattern</a>, <a href="https://publications.waset.org/abstracts/search?q=use%20cases" title=" use cases"> use cases</a>, <a href="https://publications.waset.org/abstracts/search?q=Healthcare%20Multi-Agent%20System" title=" Healthcare Multi-Agent System"> Healthcare Multi-Agent System</a> </p> <a href="https://publications.waset.org/abstracts/15854/requirements-definitions-of-real-time-system-using-the-behavioral-patterns-analysis-bpa-approach-the-healthcare-multi-agent-system" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/15854.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">550</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">3904</span> Intelligent Agent Travel Reservation System Requirements Definitions Using the Behavioral Patterns Analysis (BPA) Approach</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Assem%20El-Ansary">Assem El-Ansary</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper illustrates the event-oriented Behavioral Pattern Analysis (BPA) modeling approach in developing an Intelligent Agent Reservation System (IARS). The Event defined in BPA is a real-life conceptual entity that is unrelated to any implementation. The major contributions of this research are developing the Behavioral Pattern Analysis (BPA) modeling methodology, and developing an interactive software tool (DECISION) which is based on a combination of the Analytic Hierarchy Process (AHP) and the ELECTRE Multi-Criteria Decision Making (MCDM) methods. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=analysis" title="analysis">analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=intelligent%20agent" title=" intelligent agent"> intelligent agent</a>, <a href="https://publications.waset.org/abstracts/search?q=reservation%20system" title=" reservation system"> reservation system</a>, <a href="https://publications.waset.org/abstracts/search?q=modeling%20methodology" title=" modeling methodology"> modeling methodology</a>, <a href="https://publications.waset.org/abstracts/search?q=software%20modeling" title=" software modeling"> software modeling</a>, <a href="https://publications.waset.org/abstracts/search?q=event-oriented" title=" event-oriented"> event-oriented</a>, <a href="https://publications.waset.org/abstracts/search?q=behavioral%20pattern" title=" behavioral pattern"> behavioral pattern</a>, <a href="https://publications.waset.org/abstracts/search?q=use%20cases" title=" use cases"> use cases</a> </p> <a href="https://publications.waset.org/abstracts/14391/intelligent-agent-travel-reservation-system-requirements-definitions-using-the-behavioral-patterns-analysis-bpa-approach" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/14391.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">484</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">3903</span> Research of the Three-Dimensional Visualization Geological Modeling of Mine Based on Surpac</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Honggang%20Qu">Honggang Qu</a>, <a href="https://publications.waset.org/abstracts/search?q=Yong%20Xu"> Yong Xu</a>, <a href="https://publications.waset.org/abstracts/search?q=Rongmei%20Liu"> Rongmei Liu</a>, <a href="https://publications.waset.org/abstracts/search?q=Zhenji%20Gao"> Zhenji Gao</a>, <a href="https://publications.waset.org/abstracts/search?q=Bin%20Wang"> Bin Wang</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Today's mining industry is advancing gradually toward digital and visual direction. The three-dimensional visualization geological modeling of mine is the digital characterization of mineral deposits and is one of the key technology of digital mining. Three-dimensional geological modeling is a technology that combines geological spatial information management, geological interpretation, geological spatial analysis and prediction, geostatistical analysis, entity content analysis and graphic visualization in a three-dimensional environment with computer technology and is used in geological analysis. In this paper, the three-dimensional geological modeling of an iron mine through the use of Surpac is constructed, and the weight difference of the estimation methods between the distance power inverse ratio method and ordinary kriging is studied, and the ore body volume and reserves are simulated and calculated by using these two methods. Compared with the actual mine reserves, its result is relatively accurate, so it provides scientific bases for mine resource assessment, reserve calculation, mining design and so on. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=three-dimensional%20geological%20modeling" title="three-dimensional geological modeling">three-dimensional geological modeling</a>, <a href="https://publications.waset.org/abstracts/search?q=geological%20database" title=" geological database"> geological database</a>, <a href="https://publications.waset.org/abstracts/search?q=geostatistics" title=" geostatistics"> geostatistics</a>, <a href="https://publications.waset.org/abstracts/search?q=block%20model" title=" block model"> block model</a> </p> <a href="https://publications.waset.org/abstracts/167349/research-of-the-three-dimensional-visualization-geological-modeling-of-mine-based-on-surpac" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/167349.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">77</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">3902</span> Modeling of the Flow through an Earth Dam and Geotechnical Slope Analyzes</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20Ferhati">Ahmed Ferhati</a>, <a href="https://publications.waset.org/abstracts/search?q=Arezki%20Adjrad"> Arezki Adjrad</a>, <a href="https://publications.waset.org/abstracts/search?q=Ratiba%20Mitiche-Kettab"> Ratiba Mitiche-Kettab</a>, <a href="https://publications.waset.org/abstracts/search?q=Hakim%20Djafer%20Khodja"> Hakim Djafer Khodja</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The porous media are omnipresent around us that they are natural as sand, clay, rocks, or manufactured like concretes, cement, and ceramics. The variety of porous environment indicates a wide material range which can be very different from each other. Their common point is to be made up of a solid matrix and a porous space. In our case of study, we made the modeling of the flows in porous environments through the massives as in the case of an earth dam. The computer code used (PLAXIS) offer the possibility of modeling of various structures, in particular, the works in lands because that it deals with the pore water pressure due to the underground flow and the calculation of the plastic deformations. To confirm results obtained by PLAXIS, GeoStudio SEEP/W code was used. This work treats modeling of flows and mechanical and hydraulic behavior of earth dam. A general framework which can fit the calculation of this kind of structures and the coupling of the soil consolidation and free surface flows was defined. In this study; we have confronted a real case modeling of an earth dam. It was shown, in particular, that it is possible to entirely lead the calculation of real dam and to get encouraging results from the hydraulic and mechanical point of view. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=analyzes" title="analyzes">analyzes</a>, <a href="https://publications.waset.org/abstracts/search?q=dam" title=" dam"> dam</a>, <a href="https://publications.waset.org/abstracts/search?q=flow" title=" flow"> flow</a>, <a href="https://publications.waset.org/abstracts/search?q=modeling" title=" modeling"> modeling</a>, <a href="https://publications.waset.org/abstracts/search?q=PLAXIS" title=" PLAXIS"> PLAXIS</a>, <a href="https://publications.waset.org/abstracts/search?q=seep%2Fw" title=" seep/w"> seep/w</a>, <a href="https://publications.waset.org/abstracts/search?q=slope" title=" slope"> slope</a> </p> <a href="https://publications.waset.org/abstracts/84435/modeling-of-the-flow-through-an-earth-dam-and-geotechnical-slope-analyzes" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/84435.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">308</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">3901</span> Unveiling the Dynamics of Preservice Teachers’ Engagement with Mathematical Modeling through Model Eliciting Activities: A Comprehensive Exploration of Acceptance and Resistance Towards Modeling and Its Pedagogy</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ozgul%20Kartal">Ozgul Kartal</a>, <a href="https://publications.waset.org/abstracts/search?q=Wade%20Tillett"> Wade Tillett</a>, <a href="https://publications.waset.org/abstracts/search?q=Lyn%20D.%20English"> Lyn D. English</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Despite its global significance in curricula, mathematical modeling encounters persistent disparities in recognition and emphasis within regular mathematics classrooms and teacher education across countries with diverse educational and cultural traditions, including variations in the perceived role of mathematical modeling. Over the past two decades, increased attention has been given to the integration of mathematical modeling into national curriculum standards in the U.S. and other countries. Therefore, the mathematics education research community has dedicated significant efforts to investigate various aspects associated with the teaching and learning of mathematical modeling, primarily focusing on exploring the applicability of modeling in schools and assessing students', teachers', and preservice teachers' (PTs) competencies and engagement in modeling cycles and processes. However, limited attention has been directed toward examining potential resistance hindering teachers and PTs from effectively implementing mathematical modeling. This study focuses on how PTs, without prior modeling experience, resist and/or embrace mathematical modeling and its pedagogy as they learn about models and modeling perspectives, navigate the modeling process, design and implement their modeling activities and lesson plans, and experience the pedagogy enabling modeling. Model eliciting activities (MEAs) were employed due to their high potential to support the development of mathematical modeling pedagogy. The mathematical modeling module was integrated into a mathematics methods course to explore how PTs embraced or resisted mathematical modeling and its pedagogy. The module design included reading, reflecting, engaging in modeling, assessing models, creating a modeling task (MEA), and designing a modeling lesson employing an MEA. Twelve senior undergraduate students participated, and data collection involved video recordings, written prompts, lesson plans, and reflections. An open coding analysis revealed acceptance and resistance toward teaching mathematical modeling. The study identified four overarching themes, including both acceptance and resistance: pedagogy, affordance of modeling (tasks), modeling actions, and adjusting modeling. In the category of pedagogy, PTs displayed acceptance based on potential pedagogical benefits and resistance due to various concerns. The affordance of modeling (tasks) category emerged from instances when PTs showed acceptance or resistance while discussing the nature and quality of modeling tasks, often debating whether modeling is considered mathematics. PTs demonstrated both acceptance and resistance in their modeling actions, engaging in modeling cycles as students and designing/implementing MEAs as teachers. The adjusting modeling category captured instances where PTs accepted or resisted maintaining the qualities and nature of the modeling experience or converted modeling into a typical structured mathematics experience for students. While PTs displayed a mix of acceptance and resistance in their modeling actions, limitations were observed in embracing complexity and adhering to model principles. The study provides valuable insights into the challenges and opportunities of integrating mathematical modeling into teacher education, emphasizing the importance of addressing pedagogical concerns and providing support for effective implementation. In conclusion, this research offers a comprehensive understanding of PTs' engagement with modeling, advocating for a more focused discussion on the distinct nature and significance of mathematical modeling in the broader curriculum to establish a foundation for effective teacher education programs. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=mathematical%20modeling" title="mathematical modeling">mathematical modeling</a>, <a href="https://publications.waset.org/abstracts/search?q=model%20eliciting%20activities" title=" model eliciting activities"> model eliciting activities</a>, <a href="https://publications.waset.org/abstracts/search?q=modeling%20pedagogy" title=" modeling pedagogy"> modeling pedagogy</a>, <a href="https://publications.waset.org/abstracts/search?q=secondary%20teacher%20education" title=" secondary teacher education"> secondary teacher education</a> </p> <a href="https://publications.waset.org/abstracts/181057/unveiling-the-dynamics-of-preservice-teachers-engagement-with-mathematical-modeling-through-model-eliciting-activities-a-comprehensive-exploration-of-acceptance-and-resistance-towards-modeling-and-its-pedagogy" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/181057.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">65</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">3900</span> CFD Modeling of Mixing Enhancement in a Pitted Micromixer by High Frequency Ultrasound Waves </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Faezeh%20Mohammadi">Faezeh Mohammadi</a>, <a href="https://publications.waset.org/abstracts/search?q=Ebrahim%20Ebrahimi"> Ebrahim Ebrahimi</a>, <a href="https://publications.waset.org/abstracts/search?q=Neda%20Azimi"> Neda Azimi </a> </p> <p class="card-text"><strong>Abstract:</strong></p> Use of ultrasound waves is one of the techniques for increasing the mixing and mass transfer in the microdevices. Ultrasound propagation into liquid medium leads to stimulation of the fluid, creates turbulence and so increases the mixing performance. In this study, CFD modeling of two-phase flow in a pitted micromixer equipped with a piezoelectric with frequency of 1.7 MHz has been studied. CFD modeling of micromixer at different velocity of fluid flow in the absence of ultrasound waves and with ultrasound application has been performed. The hydrodynamic of fluid flow and mixing efficiency for using ultrasound has been compared with the layout of no ultrasound application. The result of CFD modeling shows well agreements with the experimental results. The results showed that the flow pattern inside the micromixer in the absence of ultrasound waves is parallel, while when ultrasound has been applied, it is not parallel. In fact, propagation of ultrasound energy into the fluid flow in the studied micromixer changed the hydrodynamic and the forms of the flow pattern and caused to mixing enhancement. In general, from the CFD modeling results, it can be concluded that the applying ultrasound energy into the liquid medium causes an increase in the turbulences and mixing and consequently, improves the mass transfer rate within the micromixer. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=CFD%20modeling" title="CFD modeling">CFD modeling</a>, <a href="https://publications.waset.org/abstracts/search?q=ultrasound" title=" ultrasound"> ultrasound</a>, <a href="https://publications.waset.org/abstracts/search?q=mixing" title=" mixing"> mixing</a>, <a href="https://publications.waset.org/abstracts/search?q=mass%20transfer" title=" mass transfer"> mass transfer</a> </p> <a href="https://publications.waset.org/abstracts/102598/cfd-modeling-of-mixing-enhancement-in-a-pitted-micromixer-by-high-frequency-ultrasound-waves" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/102598.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">182</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">3899</span> Multi-Agent Railway Control System: Requirements Definitions of Multi-Agent System Using the Behavioral Patterns Analysis (BPA) Approach</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Assem%20I.%20El-Ansary">Assem I. El-Ansary</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper illustrates the event-oriented Behavioral Pattern Analysis (BPA) modeling approach in developing an Multi-Agent Railway Control System (MARCS). The Event defined in BPA is a real-life conceptual entity that is unrelated to any implementation. The major contributions of this research are the Behavioral Pattern Analysis (BPA) modeling methodology, and the development of an interactive software tool (DECISION), which is based on a combination of the Analytic Hierarchy Process (AHP) and the ELECTRE Multi-Criteria Decision Making (MCDM) methods. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=analysis" title="analysis">analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=multi-agent" title=" multi-agent"> multi-agent</a>, <a href="https://publications.waset.org/abstracts/search?q=railway%20control" title=" railway control"> railway control</a>, <a href="https://publications.waset.org/abstracts/search?q=modeling%20methodology" title=" modeling methodology"> modeling methodology</a>, <a href="https://publications.waset.org/abstracts/search?q=software%20modeling" title=" software modeling"> software modeling</a>, <a href="https://publications.waset.org/abstracts/search?q=event-oriented" title=" event-oriented"> event-oriented</a>, <a href="https://publications.waset.org/abstracts/search?q=behavioral%20pattern" title=" behavioral pattern"> behavioral pattern</a>, <a href="https://publications.waset.org/abstracts/search?q=use%20cases" title=" use cases"> use cases</a> </p> <a href="https://publications.waset.org/abstracts/15785/multi-agent-railway-control-system-requirements-definitions-of-multi-agent-system-using-the-behavioral-patterns-analysis-bpa-approach" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/15785.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">545</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">3898</span> Threat Modeling Methodology for Supporting Industrial Control Systems Device Manufacturers and System Integrators</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Raluca%20Ana%20Maria%20Viziteu">Raluca Ana Maria Viziteu</a>, <a href="https://publications.waset.org/abstracts/search?q=Anna%20Prudnikova"> Anna Prudnikova</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Industrial control systems (ICS) have received much attention in recent years due to the convergence of information technology (IT) and operational technology (OT) that has increased the interdependence of safety and security issues to be considered. These issues require ICS-tailored solutions. That led to the need to creation of a methodology for supporting ICS device manufacturers and system integrators in carrying out threat modeling of embedded ICS devices in a way that guarantees the quality of the identified threats and minimizes subjectivity in the threat identification process. To research, the possibility of creating such a methodology, a set of existing standards, regulations, papers, and publications related to threat modeling in the ICS sector and other sectors was reviewed to identify various existing methodologies and methods used in threat modeling. Furthermore, the most popular ones were tested in an exploratory phase on a specific PLC device. The outcome of this exploratory phase has been used as a basis for defining specific characteristics of ICS embedded devices and their deployment scenarios, identifying the factors that introduce subjectivity in the threat modeling process of such devices, and defining metrics for evaluating the minimum quality requirements of identified threats associated to the deployment of the devices in existing infrastructures. Furthermore, the threat modeling methodology was created based on the previous steps' results. The usability of the methodology was evaluated through a set of standardized threat modeling requirements and a standardized comparison method for threat modeling methodologies. The outcomes of these verification methods confirm that the methodology is effective. The full paper includes the outcome of research on different threat modeling methodologies that can be used in OT, their comparison, and the results of implementing each of them in practice on a PLC device. This research is further used to build a threat modeling methodology tailored to OT environments; a detailed description is included. Moreover, the paper includes results of the evaluation of created methodology based on a set of parameters specifically created to rate threat modeling methodologies. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=device%20manufacturers" title="device manufacturers">device manufacturers</a>, <a href="https://publications.waset.org/abstracts/search?q=embedded%20devices" title=" embedded devices"> embedded devices</a>, <a href="https://publications.waset.org/abstracts/search?q=industrial%20control%20systems" title=" industrial control systems"> industrial control systems</a>, <a href="https://publications.waset.org/abstracts/search?q=threat%20modeling" title=" threat modeling"> threat modeling</a> </p> <a href="https://publications.waset.org/abstracts/153134/threat-modeling-methodology-for-supporting-industrial-control-systems-device-manufacturers-and-system-integrators" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/153134.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">80</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">3897</span> A Comparative Study on Creep Modeling in Composites</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Roham%20Rafiee">Roham Rafiee</a>, <a href="https://publications.waset.org/abstracts/search?q=Behzad%20Mazhari"> Behzad Mazhari</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Composite structures, having incredible properties, have gained considerable popularity in the last few decades. Among all types, polymer matrix composites are being used extensively due to their unique characteristics including low weight, convenient fabrication process and low cost. Having polymer as matrix, these type of composites show different creep behavior when compared to metals and even other types of composites since most polymers undergo creep even in room temperature. One of the most challenging topics in creep is to introduce new techniques for predicting long term creep behavior of materials. Depending on the material which is being studied the appropriate method would be different. Methods already proposed for predicting long term creep behavior of polymer matrix composites can be divided into five categories: (1) Analytical Modeling, (2) Empirical Modeling, (3) Superposition Based Modeling (Semi-empirical), (4) Rheological Modeling, (5) Finite Element Modeling. Each of these methods has individual characteristics. Studies have shown that none of the mentioned methods can predict long term creep behavior of all PMC composites in all circumstances (loading, temperature, etc.) but each of them has its own priority in different situations. The reason to this issue can be found in theoretical basis of these methods. In this study after a brief review over the background theory of each method, they are compared in terms of their applicability in predicting long-term behavior of composite structures. Finally, the explained materials are observed through some experimental studies executed by other researchers. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=creep" title="creep">creep</a>, <a href="https://publications.waset.org/abstracts/search?q=comparative%20study" title=" comparative study"> comparative study</a>, <a href="https://publications.waset.org/abstracts/search?q=modeling" title=" modeling"> modeling</a>, <a href="https://publications.waset.org/abstracts/search?q=composite%20materials" title=" composite materials"> composite materials</a> </p> <a href="https://publications.waset.org/abstracts/1400/a-comparative-study-on-creep-modeling-in-composites" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/1400.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">441</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">3896</span> Modeling and Simulation of a Cycloconverter with a Bond Graph Approach</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Gerardo%20Ayala-Jaimes">Gerardo Ayala-Jaimes</a>, <a href="https://publications.waset.org/abstracts/search?q=Gilberto%20Gonzalez-Avalos"> Gilberto Gonzalez-Avalos</a>, <a href="https://publications.waset.org/abstracts/search?q=Allen%20A.%20Castillo"> Allen A. Castillo</a>, <a href="https://publications.waset.org/abstracts/search?q=Alejandra%20Jimenez"> Alejandra Jimenez</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The modeling of a single-phase cycloconverter in Bond Graph is presented, which includes an alternating current power supply, hybrid dynamics, switch control, and resistive load; this approach facilitates the integration of systems across different energy domains and structural analysis. Cycloconverters, used in motor control, demonstrate the viability of graphical modeling. The use of Bonds is proposed to model the hybrid interaction of the system, and the results are displayed through simulations using 20Sim and Multisim software. The motivation behind developing these models with a graphical approach is to design and build low-cost energy converters, thereby making the main contribution of this document the modeling and simulation of a single-phase cycloconverter. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=bond%20graph" title="bond graph">bond graph</a>, <a href="https://publications.waset.org/abstracts/search?q=hybrid%20system" title=" hybrid system"> hybrid system</a>, <a href="https://publications.waset.org/abstracts/search?q=rectifier" title=" rectifier"> rectifier</a>, <a href="https://publications.waset.org/abstracts/search?q=cycloconverter" title=" cycloconverter"> cycloconverter</a>, <a href="https://publications.waset.org/abstracts/search?q=modelling" title=" modelling"> modelling</a> </p> <a href="https://publications.waset.org/abstracts/187321/modeling-and-simulation-of-a-cycloconverter-with-a-bond-graph-approach" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/187321.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">37</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">3895</span> From Modeling of Data Structures towards Automatic Programs Generating</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Valentin%20P.%20Velikov">Valentin P. Velikov</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Automatic program generation saves time, human resources, and allows receiving syntactically clear and logically correct modules. The 4-th generation programming languages are related to drawing the data and the processes of the subject area, as well as, to obtain a frame of the respective information system. The application can be separated in interface and business logic. That means, for an interactive generation of the needed system to be used an already existing toolkit or to be created a new one. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=computer%20science" title="computer science">computer science</a>, <a href="https://publications.waset.org/abstracts/search?q=graphical%20user%20interface" title=" graphical user interface"> graphical user interface</a>, <a href="https://publications.waset.org/abstracts/search?q=user%20dialog%20interface" title=" user dialog interface"> user dialog interface</a>, <a href="https://publications.waset.org/abstracts/search?q=dialog%20frames" title=" dialog frames"> dialog frames</a>, <a href="https://publications.waset.org/abstracts/search?q=data%20modeling" title=" data modeling"> data modeling</a>, <a href="https://publications.waset.org/abstracts/search?q=subject%20area%20modeling" title=" subject area modeling"> subject area modeling</a> </p> <a href="https://publications.waset.org/abstracts/41471/from-modeling-of-data-structures-towards-automatic-programs-generating" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/41471.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">305</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">3894</span> Hybrid Artificial Bee Colony and Least Squares Method for Rule-Based Systems Learning</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ahcene%20Habbi">Ahcene Habbi</a>, <a href="https://publications.waset.org/abstracts/search?q=Yassine%20Boudouaoui"> Yassine Boudouaoui</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper deals with the problem of automatic rule generation for fuzzy systems design. The proposed approach is based on hybrid artificial bee colony (ABC) optimization and weighted least squares (LS) method and aims to find the structure and parameters of fuzzy systems simultaneously. More precisely, two ABC based fuzzy modeling strategies are presented and compared. The first strategy uses global optimization to learn fuzzy models, the second one hybridizes ABC and weighted least squares estimate method. The performances of the proposed ABC and ABC-LS fuzzy modeling strategies are evaluated on complex modeling problems and compared to other advanced modeling methods. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=automatic%20design" title="automatic design">automatic design</a>, <a href="https://publications.waset.org/abstracts/search?q=learning" title=" learning"> learning</a>, <a href="https://publications.waset.org/abstracts/search?q=fuzzy%20rules" title=" fuzzy rules"> fuzzy rules</a>, <a href="https://publications.waset.org/abstracts/search?q=hybrid" title=" hybrid"> hybrid</a>, <a href="https://publications.waset.org/abstracts/search?q=swarm%20optimization" title=" swarm optimization"> swarm optimization</a> </p> <a href="https://publications.waset.org/abstracts/15603/hybrid-artificial-bee-colony-and-least-squares-method-for-rule-based-systems-learning" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/15603.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">437</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">3893</span> Causal Modeling of the Glucose-Insulin System in Type-I Diabetic Patients</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=J.%20Fernandez">J. Fernandez</a>, <a href="https://publications.waset.org/abstracts/search?q=N.%20Aguilar"> N. Aguilar</a>, <a href="https://publications.waset.org/abstracts/search?q=R.%20Fernandez%20de%20Canete"> R. Fernandez de Canete</a>, <a href="https://publications.waset.org/abstracts/search?q=J.%20C.%20Ramos-Diaz"> J. C. Ramos-Diaz</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this paper, a simulation model of the glucose-insulin system for a patient undergoing diabetes Type 1 is developed by using a causal modeling approach under system dynamics. The OpenModelica simulation environment has been employed to build the so called causal model, while the glucose-insulin model parameters were adjusted to fit recorded mean data of a diabetic patient database. Model results under different conditions of a three-meal glucose and exogenous insulin ingestion patterns have been obtained. This simulation model can be useful to evaluate glucose-insulin performance in several circumstances, including insulin infusion algorithms in open-loop and decision support systems in closed-loop. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=causal%20modeling" title="causal modeling">causal modeling</a>, <a href="https://publications.waset.org/abstracts/search?q=diabetes" title=" diabetes"> diabetes</a>, <a href="https://publications.waset.org/abstracts/search?q=glucose-insulin%20system" title=" glucose-insulin system"> glucose-insulin system</a>, <a href="https://publications.waset.org/abstracts/search?q=diabetes" title=" diabetes"> diabetes</a>, <a href="https://publications.waset.org/abstracts/search?q=causal%20modeling" title=" causal modeling"> causal modeling</a>, <a href="https://publications.waset.org/abstracts/search?q=OpenModelica%20software" title=" OpenModelica software"> OpenModelica software</a> </p> <a href="https://publications.waset.org/abstracts/72880/causal-modeling-of-the-glucose-insulin-system-in-type-i-diabetic-patients" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/72880.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">330</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">3892</span> Comparative Analysis of Two Modeling Approaches for Optimizing Plate Heat Exchangers</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=F%C3%A1bio%20A.%20S.%20Mota">Fábio A. S. Mota</a>, <a href="https://publications.waset.org/abstracts/search?q=Mauro%20A.%20S.%20S.%20Ravagnani"> Mauro A. S. S. Ravagnani</a>, <a href="https://publications.waset.org/abstracts/search?q=E.%20P.%20Carvalho"> E. P. Carvalho</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In the present paper the design of plate heat exchangers is formulated as an optimization problem considering two mathematical modeling. The number of plates is the objective function to be minimized, considering implicitly some parameters configuration. Screening is the optimization method used to solve the problem. Thermal and hydraulic constraints are verified, not viable solutions are discarded and the method searches for the convergence to the optimum, case it exists. A case study is presented to test the applicability of the developed algorithm. Results show coherency with the literature. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=plate%20heat%20exchanger" title="plate heat exchanger">plate heat exchanger</a>, <a href="https://publications.waset.org/abstracts/search?q=optimization" title=" optimization"> optimization</a>, <a href="https://publications.waset.org/abstracts/search?q=modeling" title=" modeling"> modeling</a>, <a href="https://publications.waset.org/abstracts/search?q=simulation" title=" simulation"> simulation</a> </p> <a href="https://publications.waset.org/abstracts/2716/comparative-analysis-of-two-modeling-approaches-for-optimizing-plate-heat-exchangers" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/2716.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">518</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">3891</span> Ontology-Based Approach for Temporal Semantic Modeling of Social Networks</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sou%C3%A2ad%20Boudebza">Souâad Boudebza</a>, <a href="https://publications.waset.org/abstracts/search?q=Omar%20Nouali"> Omar Nouali</a>, <a href="https://publications.waset.org/abstracts/search?q=Fai%C3%A7al%20Azouaou"> Faiçal Azouaou</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Social networks have recently gained a growing interest on the web. Traditional formalisms for representing social networks are static and suffer from the lack of semantics. In this paper, we will show how semantic web technologies can be used to model social data. The SemTemp ontology aligns and extends existing ontologies such as FOAF, SIOC, SKOS and OWL-Time to provide a temporal and semantically rich description of social data. We also present a modeling scenario to illustrate how our ontology can be used to model social networks. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ontology" title="ontology">ontology</a>, <a href="https://publications.waset.org/abstracts/search?q=semantic%20web" title=" semantic web"> semantic web</a>, <a href="https://publications.waset.org/abstracts/search?q=social%20network" title=" social network"> social network</a>, <a href="https://publications.waset.org/abstracts/search?q=temporal%20modeling" title=" temporal modeling"> temporal modeling</a> </p> <a href="https://publications.waset.org/abstracts/42125/ontology-based-approach-for-temporal-semantic-modeling-of-social-networks" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/42125.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">386</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">3890</span> Multi-Agent TeleRobotic Security Control System: Requirements Definitions of Multi-Agent System Using The Behavioral Patterns Analysis (BPA) Approach</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Assem%20El-Ansary">Assem El-Ansary</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper illustrates the event-oriented Behavioral Pattern Analysis (BPA) modeling approach in developing an Multi-Agent TeleRobotic Security Control System (MTSCS). The event defined in BPA is a real-life conceptual entity that is unrelated to any implementation. The major contributions of this research are the Behavioral Pattern Analysis (BPA) modeling methodology, and the development of an interactive software tool (DECISION), which is based on a combination of the Analytic Hierarchy Process (AHP) and the ELECTRE Multi-Criteria Decision Making (MCDM) methods. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=analysis" title="analysis">analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=multi-agent" title=" multi-agent"> multi-agent</a>, <a href="https://publications.waset.org/abstracts/search?q=TeleRobotics%20control" title=" TeleRobotics control"> TeleRobotics control</a>, <a href="https://publications.waset.org/abstracts/search?q=security" title=" security"> security</a>, <a href="https://publications.waset.org/abstracts/search?q=modeling%20methodology" title=" modeling methodology"> modeling methodology</a>, <a href="https://publications.waset.org/abstracts/search?q=software%20modeling" title=" software modeling"> software modeling</a>, <a href="https://publications.waset.org/abstracts/search?q=event-oriented" title=" event-oriented"> event-oriented</a>, <a href="https://publications.waset.org/abstracts/search?q=behavioral%20pattern" title=" behavioral pattern"> behavioral pattern</a>, <a href="https://publications.waset.org/abstracts/search?q=use%20cases" title=" use cases"> use cases</a> </p> <a href="https://publications.waset.org/abstracts/16227/multi-agent-telerobotic-security-control-system-requirements-definitions-of-multi-agent-system-using-the-behavioral-patterns-analysis-bpa-approach" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/16227.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">438</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">3889</span> Seismic Performance Evaluation of Existing Building Using Structural Information Modeling</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Byungmin%20Cho">Byungmin Cho</a>, <a href="https://publications.waset.org/abstracts/search?q=Dongchul%20Lee"> Dongchul Lee</a>, <a href="https://publications.waset.org/abstracts/search?q=Taejin%20Kim"> Taejin Kim</a>, <a href="https://publications.waset.org/abstracts/search?q=Minhee%20Lee"> Minhee Lee</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The procedure for the seismic retrofit of existing buildings includes the seismic evaluation. In the evaluation step, it is assessed whether the buildings have satisfactory performance against seismic load. Based on the results of that, the buildings are upgraded. To evaluate seismic performance of the buildings, it usually goes through the model transformation from elastic analysis to inelastic analysis. However, when the data is not delivered through the interwork, engineers should manually input the data. In this process, since it leads to inaccuracy and loss of information, the results of the analysis become less accurate. Therefore, in this study, the process for the seismic evaluation of existing buildings using structural information modeling is suggested. This structural information modeling makes the work economic and accurate. To this end, it is determined which part of the process could be computerized through the investigation of the process for the seismic evaluation based on ASCE 41. The structural information modeling process is developed to apply to the seismic evaluation using Perform 3D program usually used for the nonlinear response history analysis. To validate this process, the seismic performance of an existing building is investigated. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=existing%20building" title="existing building">existing building</a>, <a href="https://publications.waset.org/abstracts/search?q=nonlinear%20analysis" title=" nonlinear analysis"> nonlinear analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=seismic%20performance" title=" seismic performance"> seismic performance</a>, <a href="https://publications.waset.org/abstracts/search?q=structural%20information%20modeling" title=" structural information modeling"> structural information modeling</a> </p> <a href="https://publications.waset.org/abstracts/31008/seismic-performance-evaluation-of-existing-building-using-structural-information-modeling" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/31008.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">384</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">3888</span> The Effectiveness of Using Video Modeling Procedures on the ipad to Teach Play Skills Children with ASD</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Esra%20Orum%20Cattik">Esra Orum Cattik</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study evaluated the effects of using video modeling procedures on the iPad to teach play skills to children with autism spectrum disorders. A male student with autism spectrum disorders participated in this study. A multiple baseline-across-skills single-subject design was used to evaluate the effects of using video modeling procedures on the iPad. During baseline, no prompts were presented to participants. In the intervention phase, the teacher gave video model on iPad to the first skill and asked play with toys for him. When the first play skill completed the second play skill began intervention. This procedure continued till all three play skill completed intervention. Finally, the participant learned all three play skills to use video modeling presented on the iPad. Based upon findings of this study, suggestions have been made to future researches. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=autism%20spectrum%20disorders" title="autism spectrum disorders">autism spectrum disorders</a>, <a href="https://publications.waset.org/abstracts/search?q=play" title=" play"> play</a>, <a href="https://publications.waset.org/abstracts/search?q=play%20skills" title=" play skills"> play skills</a>, <a href="https://publications.waset.org/abstracts/search?q=video%20modeling" title=" video modeling"> video modeling</a>, <a href="https://publications.waset.org/abstracts/search?q=single%20subject%20design" title=" single subject design"> single subject design</a> </p> <a href="https://publications.waset.org/abstracts/31075/the-effectiveness-of-using-video-modeling-procedures-on-the-ipad-to-teach-play-skills-children-with-asd" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/31075.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">406</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">3887</span> Analytical Investigation of Modeling and Simulation of Different Combinations of Sinusoidal Supplied Autotransformer under Linear Loading Conditions</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M.%20Salih%20Taci">M. Salih Taci</a>, <a href="https://publications.waset.org/abstracts/search?q=N.%20Tayebi"> N. Tayebi</a>, <a href="https://publications.waset.org/abstracts/search?q=I.%20Bozk%C4%B1r"> I. Bozkır</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper investigates the operation of a sinusoidal supplied autotransformer on the different states of magnetic polarity of primary and secondary terminals for four different step-up and step-down analytical conditions. In this paper, a new analytical modeling and equations for dot-marked and polarity-based step-up and step-down autotransformer are presented. These models are validated by the simulation of current and voltage waveforms for each state. PSpice environment was used for simulation. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=autotransformer%20modeling" title="autotransformer modeling">autotransformer modeling</a>, <a href="https://publications.waset.org/abstracts/search?q=autotransformer%20simulation" title=" autotransformer simulation"> autotransformer simulation</a>, <a href="https://publications.waset.org/abstracts/search?q=step-up%20autotransformer" title=" step-up autotransformer"> step-up autotransformer</a>, <a href="https://publications.waset.org/abstracts/search?q=step-down%20autotransformer" title=" step-down autotransformer"> step-down autotransformer</a>, <a href="https://publications.waset.org/abstracts/search?q=polarity" title=" polarity"> polarity</a> </p> <a href="https://publications.waset.org/abstracts/76475/analytical-investigation-of-modeling-and-simulation-of-different-combinations-of-sinusoidal-supplied-autotransformer-under-linear-loading-conditions" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/76475.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">318</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">3886</span> User Modeling from the Perspective of Improvement in Search Results: A Survey of the State of the Art</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Samira%20Karimi-Mansoub">Samira Karimi-Mansoub</a>, <a href="https://publications.waset.org/abstracts/search?q=Rahem%20Abri"> Rahem Abri</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Currently, users expect high quality and personalized information from search results. To satisfy user’s needs, personalized approaches to web search have been proposed. These approaches can provide the most appropriate answer for user’s needs by using user context and incorporating information about query provided by combining search technologies. To carry out personalized web search, there is a need to make different techniques on whole of user search process. There are the number of possible deployment of personalized approaches such as personalized web search, personalized recommendation, personalized summarization and filtering systems and etc. but the common feature of all approaches in various domains is that user modeling is utilized to provide personalized information from the Web. So the most important work in personalized approaches is user model mining. User modeling applications and technologies can be used in various domains depending on how the user collected information may be extracted. In addition to, the used techniques to create user model is also different in each of these applications. Since in the previous studies, there was not a complete survey in this field, our purpose is to present a survey on applications and techniques of user modeling from the viewpoint of improvement in search results by considering the existing literature and researches. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=filtering%20systems" title="filtering systems">filtering systems</a>, <a href="https://publications.waset.org/abstracts/search?q=personalized%20web%20search" title=" personalized web search"> personalized web search</a>, <a href="https://publications.waset.org/abstracts/search?q=user%20modeling" title=" user modeling"> user modeling</a>, <a href="https://publications.waset.org/abstracts/search?q=user%20search%20behavior" title=" user search behavior"> user search behavior</a> </p> <a href="https://publications.waset.org/abstracts/73551/user-modeling-from-the-perspective-of-improvement-in-search-results-a-survey-of-the-state-of-the-art" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/73551.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">279</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">3885</span> Numerical Modeling of a Retaining Wall in Soil Reinforced by Layers of Geogrids</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M.%20Mellas">M. Mellas</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Baaziz"> S. Baaziz</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Mabrouki"> A. Mabrouki</a>, <a href="https://publications.waset.org/abstracts/search?q=D.%20Benmeddour"> D. Benmeddour</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The reinforcement of massifs of backfill with horizontal layers of geosynthetics is an interesting economic solution, which ensures the stability of retaining walls. The mechanical behavior of reinforced soil by geosynthetic is complex, and requires studies and research to understand the mechanisms of rupture. The behavior of reinforcements in the soil and the behavior of the main elements of the system: reinforcement-wall-soil. The present study is interested in numerical modeling of a retaining wall in soil reinforced by horizontal layers of geogrids. This modeling makes use of the software FLAC3D. This work aims to analyze the effect of the length of the geogrid "L" where the soil massif is supporting a uniformly distributed surcharge "Q", taking into account the fixing elements rather than the layers of geogrids to the wall. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=retaining%20wall" title="retaining wall">retaining wall</a>, <a href="https://publications.waset.org/abstracts/search?q=geogrid" title=" geogrid"> geogrid</a>, <a href="https://publications.waset.org/abstracts/search?q=reinforced%20soil" title=" reinforced soil"> reinforced soil</a>, <a href="https://publications.waset.org/abstracts/search?q=numerical%20modeling" title=" numerical modeling"> numerical modeling</a>, <a href="https://publications.waset.org/abstracts/search?q=FLAC3D" title=" FLAC3D"> FLAC3D</a> </p> <a href="https://publications.waset.org/abstracts/1335/numerical-modeling-of-a-retaining-wall-in-soil-reinforced-by-layers-of-geogrids" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/1335.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">484</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">3884</span> Modeling Exponential Growth Activity Using Technology: A Research with Bachelor of Business Administration Students</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=V.%20Vargas-Alejo">V. Vargas-Alejo</a>, <a href="https://publications.waset.org/abstracts/search?q=L.%20E.%20Montero-Moguel"> L. E. Montero-Moguel</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Understanding the concept of function has been important in mathematics education for many years. In this study, the models built by a group of five business administration and accounting undergraduate students when carrying out a population growth activity are analyzed. The theoretical framework is the Models and Modeling Perspective. The results show how the students included tables, graphics, and algebraic representations in their models. Using technology was useful to interpret, describe, and predict the situation. The first model, the students built to describe the situation, was linear. After that, they modified and refined their ways of thinking; finally, they created exponential growth. Modeling the activity was useful to deep on mathematical concepts such as covariation, rate of change, and exponential function also to differentiate between linear and exponential growth. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=covariation%20reasoning" title="covariation reasoning">covariation reasoning</a>, <a href="https://publications.waset.org/abstracts/search?q=exponential%20function" title=" exponential function"> exponential function</a>, <a href="https://publications.waset.org/abstracts/search?q=modeling" title=" modeling"> modeling</a>, <a href="https://publications.waset.org/abstracts/search?q=representations" title=" representations"> representations</a> </p> <a href="https://publications.waset.org/abstracts/126053/modeling-exponential-growth-activity-using-technology-a-research-with-bachelor-of-business-administration-students" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/126053.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">119</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">3883</span> Modeling of Erosion and Sedimentation Impacts from off-Road Vehicles in Arid Regions</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Abigail%20Rosenberg">Abigail Rosenberg</a>, <a href="https://publications.waset.org/abstracts/search?q=Jennifer%20Duan"> Jennifer Duan</a>, <a href="https://publications.waset.org/abstracts/search?q=Michael%20%20Poteuck"> Michael Poteuck</a>, <a href="https://publications.waset.org/abstracts/search?q=Chunshui%20Yu"> Chunshui Yu</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The Barry M. Goldwater Range, West in southwestern Arizona encompasses 2,808 square kilometers of Sonoran Desert. The hyper-arid range has an annual rainfall of less than 10 cm with an average high temperature of 41 degrees Celsius in July to an average low of 4 degrees Celsius in January. The range shares approximately 60 kilometers of the international border with Mexico. A majority of the range is open for recreational use, primarily off-highway vehicles. Because of its proximity to Mexico, the range is also heavily patrolled by U.S. Customs and Border Protection seeking to intercept and apprehend inadmissible people and illicit goods. Decades of off-roading and Border Patrol activities have negatively impacted this sensitive desert ecosystem. To assist the range program managers, this study is developing a model to identify erosion prone areas and calibrate the model’s parameters using the Automated Geospatial Watershed Assessment modeling tool. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=arid%20lands" title="arid lands">arid lands</a>, <a href="https://publications.waset.org/abstracts/search?q=automated%20geospatial%20watershed%20assessment" title=" automated geospatial watershed assessment"> automated geospatial watershed assessment</a>, <a href="https://publications.waset.org/abstracts/search?q=erosion%20modeling" title=" erosion modeling"> erosion modeling</a>, <a href="https://publications.waset.org/abstracts/search?q=sedimentation%20modeling" title=" sedimentation modeling"> sedimentation modeling</a>, <a href="https://publications.waset.org/abstracts/search?q=watershed%20modeling" title=" watershed modeling"> watershed modeling</a> </p> <a href="https://publications.waset.org/abstracts/59846/modeling-of-erosion-and-sedimentation-impacts-from-off-road-vehicles-in-arid-regions" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/59846.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">374</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">3882</span> Uplift Modeling Approach to Optimizing Content Quality in Social Q/A Platforms</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Igor%20A.%20Podgorny">Igor A. Podgorny</a> </p> <p class="card-text"><strong>Abstract:</strong></p> TurboTax AnswerXchange is a social Q/A system supporting users working on federal and state tax returns. Content quality and popularity in the AnswerXchange can be predicted with propensity models using attributes of the question and answer. Using uplift modeling, we identify features of questions and answers that can be modified during the question-asking and question-answering experience in order to optimize the AnswerXchange content quality. We demonstrate that adding details to the questions always results in increased question popularity that can be used to promote good quality content. Responding to close-ended questions assertively improve content quality in the AnswerXchange in 90% of cases. Answering knowledge questions with web links increases the likelihood of receiving a negative vote from 60% of the askers. Our findings provide a rationale for employing the uplift modeling approach for AnswerXchange operations. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=customer%20relationship%20management" title="customer relationship management">customer relationship management</a>, <a href="https://publications.waset.org/abstracts/search?q=human-machine%20interaction" title=" human-machine interaction"> human-machine interaction</a>, <a href="https://publications.waset.org/abstracts/search?q=text%20mining" title=" text mining"> text mining</a>, <a href="https://publications.waset.org/abstracts/search?q=uplift%20modeling" title=" uplift modeling "> uplift modeling </a> </p> <a href="https://publications.waset.org/abstracts/30710/uplift-modeling-approach-to-optimizing-content-quality-in-social-qa-platforms" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/30710.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">244</span> </span> </div> </div> <ul class="pagination"> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=CFD%20modeling&page=1" rel="prev">‹</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=CFD%20modeling&page=1">1</a></li> <li class="page-item active"><span class="page-link">2</span></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=CFD%20modeling&page=3">3</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=CFD%20modeling&page=4">4</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=CFD%20modeling&page=5">5</a></li> <li class="page-item"><a class="page-link" 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