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Abdur Razzak</title> <meta name="description" content="Search results for: S. M. Abdur Razzak"> <meta name="keywords" content="S. M. Abdur Razzak"> <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 class="d-block d-lg-none navbar-toggler ml-auto" type="button" data-toggle="collapse" data-target="#navbarMenu" aria-controls="navbarMenu" aria-expanded="false" aria-label="Toggle navigation"> <span class="navbar-toggler-icon"></span> </button> <div class="w-100"> <div class="d-none d-lg-flex flex-row-reverse"> <form method="get" action="https://waset.org/search" class="form-inline my-2 my-lg-0"> <input class="form-control mr-sm-2" type="search" placeholder="Search Conferences" value="S. 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M. Abdur Razzak"> <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> 8</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: S. M. Abdur Razzak</h1> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">8</span> Group Velocity Dispersion Management of Microstructure Optical Fibers</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=S.%20M.%20Abdur%20Razzak">S. M. Abdur Razzak</a>, <a href="https://publications.waset.org/search?q=M.%20A.%20Rashid"> M. A. Rashid</a>, <a href="https://publications.waset.org/search?q=Y.%20Namihira"> Y. Namihira</a>, <a href="https://publications.waset.org/search?q=A.%20Sayeem"> A. Sayeem</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>A simple microstructure optical fiber design based on an octagonal cladding structure is presented for simultaneously controlling dispersion and leakage properties. The finite difference method with anisotropic perfectly matched boundary layer is used to investigate the guiding properties. It is demonstrated that octagonal photonic crystal fibers with four rings can assume negative ultra-flattened dispersion of -19 + 0.23 ps/nm/km in the wavelength range of 1.275 μm to 1.68 μm, nearly zero ultra-flattened dispersion of 0 ± 0.40 ps/nm/km in a 1.38 to 1.64 μm, and low confinement losses less than 10-3 dB/km in the entire band of interest.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Finite%20difference%20modeling" title="Finite difference modeling">Finite difference modeling</a>, <a href="https://publications.waset.org/search?q=group%20velocity%20dispersion" title=" group velocity dispersion"> group velocity dispersion</a>, <a href="https://publications.waset.org/search?q=optical%20fiber%20design" title=" optical fiber design"> optical fiber design</a>, <a href="https://publications.waset.org/search?q=photonic%20crystal%20fiber." title=" photonic crystal fiber."> photonic crystal fiber.</a> </p> <a href="https://publications.waset.org/12068/group-velocity-dispersion-management-of-microstructure-optical-fibers" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/12068/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/12068/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/12068/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/12068/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/12068/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/12068/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/12068/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/12068/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/12068/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/12068/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/12068.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">1820</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">7</span> Optimization of Breast Tumor Cells Isolation Efficiency and Purity by Membrane Filtration</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Bhuvanendran%20Nair%20Gourikutty%20Sajay">Bhuvanendran Nair Gourikutty Sajay</a>, <a href="https://publications.waset.org/search?q=Liu%20Yuxin"> Liu Yuxin</a>, <a href="https://publications.waset.org/search?q=Chang%20Chia-Pin"> Chang Chia-Pin</a>, <a href="https://publications.waset.org/search?q=Poenar%20Daniel%20Puiu"> Poenar Daniel Puiu</a>, <a href="https://publications.waset.org/search?q=Abdur%20Rub%0AAbdur%20Rahman"> Abdur Rub Abdur Rahman</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Size based filtration is one of the common methods employed to isolate circulating tumor cells (CTCs) from whole blood. It is well known that this method suffers from isolation efficiency to purity tradeoff. However, this tradeoff is poorly understood. In this paper, we present the design and manufacturing of a special rectangular slit filter. The filter was designed to retain maximal amounts of nucleated cells, while minimizing the pressure on cells, thereby preserving their morphology. The key parameter, namely, input pressure, was optimized to retain the maximal number of tumor cells, whilst maximizing the depletion of normal blood cells (red and white blood cells and platelets). Our results indicate that for a slit geometry of 5 脳 40 渭m on a 13 mm circular membrane with a fill factor of 21%, a pressure of 6.9 mBar yields the optimum for maximizing isolation of MCF-7 and depletion of normal blood cells. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Circulating%20tumor%20cells" title="Circulating tumor cells">Circulating tumor cells</a>, <a href="https://publications.waset.org/search?q=Parylene%20slit%20membrane" title=" Parylene slit membrane"> Parylene slit membrane</a>, <a href="https://publications.waset.org/search?q=Retention" title=" Retention"> Retention</a>, <a href="https://publications.waset.org/search?q=White%20Blood%20Cell%20depletion." title=" White Blood Cell depletion."> White Blood Cell depletion.</a> </p> <a href="https://publications.waset.org/9841/optimization-of-breast-tumor-cells-isolation-efficiency-and-purity-by-membrane-filtration" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/9841/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/9841/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/9841/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/9841/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/9841/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/9841/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/9841/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/9841/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/9841/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/9841/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/9841.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">1837</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">6</span> Integrating the Theory of Constraints and Six Sigma in Manufacturing Process Improvement</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Kai%20Jin">Kai Jin</a>, <a href="https://publications.waset.org/search?q=Hyder%20Abdul-Razzak"> Hyder Abdul-Razzak</a>, <a href="https://publications.waset.org/search?q=Yousri%20Elkassabgi"> Yousri Elkassabgi</a>, <a href="https://publications.waset.org/search?q=Hong%20Zhou"> Hong Zhou</a>, <a href="https://publications.waset.org/search?q=Aaron%20Herrera"> Aaron Herrera</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Six Sigma is a well known discipline that reduces variation using complex statistical tools and the DMAIC model. By integrating Goldratts-s Theory of Constraints, the Five Focusing Points and System Thinking tools, Six Sigma projects can be selected where it can cause more impact in the company. This research defines an integrated model of six sigma and constraint management that shows a step-by-step guide using the original methodologies from each discipline and is evaluated in a case study from the production line of a Automobile engine monoblock V8, resulting in an increase in the line capacity from 18.7 pieces per hour to 22.4 pieces per hour, a reduction of 60% of Work-In-Process and a variation decrease of 0.73%. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Constraint%20Management" title="Constraint Management">Constraint Management</a>, <a href="https://publications.waset.org/search?q=Manufacturing%20Process%0AImprovement" title=" Manufacturing Process Improvement"> Manufacturing Process Improvement</a>, <a href="https://publications.waset.org/search?q=Six%20Sigma" title=" Six Sigma"> Six Sigma</a>, <a href="https://publications.waset.org/search?q=System%20Thinking." title=" System Thinking."> System Thinking.</a> </p> <a href="https://publications.waset.org/9955/integrating-the-theory-of-constraints-and-six-sigma-in-manufacturing-process-improvement" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/9955/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/9955/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/9955/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/9955/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/9955/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/9955/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/9955/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/9955/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/9955/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/9955/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/9955.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">1763</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">5</span> Teachers- Perceptions on the Use of E-Books as Textbooks in the Classroom</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Abd%20Mutalib%20Embong">Abd Mutalib Embong</a>, <a href="https://publications.waset.org/search?q=Azelin%20M%20Noor"> Azelin M Noor</a>, <a href="https://publications.waset.org/search?q=Razol%20Mahari%20M%20Ali"> Razol Mahari M Ali</a>, <a href="https://publications.waset.org/search?q=Zulqarnain%20Abu%20Bakar"> Zulqarnain Abu Bakar</a>, <a href="https://publications.waset.org/search?q=Abdur-%0ARahman%20Mohamed%20Amin"> Abdur- Rahman Mohamed Amin</a> </p> <p class="card-text"><strong>Abstract:</strong></p> At the time where electronic books, or e-Books, offer students a fun way of learning , teachers who are used to the paper text books may find it as a new challenge to use it as a part of learning process. Precisely, there are various types of e-Books available to suit students- knowledge, characteristics, abilities, and interests. The paper discusses teachers- perceptions on the use of ebooks as a paper text book in the classroom. A survey was conducted on 72 teachers who use e-books as textbooks. It was discovered that a majority of these teachers had good perceptions on the use of ebooks. However, they had little problems using the devices. It can be overcome with some strategies and a suggested framework. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Classroom" title="Classroom">Classroom</a>, <a href="https://publications.waset.org/search?q=E-books" title=" E-books"> E-books</a>, <a href="https://publications.waset.org/search?q=perception" title=" perception"> perception</a>, <a href="https://publications.waset.org/search?q=teacher." title=" teacher."> teacher.</a> </p> <a href="https://publications.waset.org/11787/teachers-perceptions-on-the-use-of-e-books-as-textbooks-in-the-classroom" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/11787/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/11787/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/11787/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/11787/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/11787/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/11787/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/11787/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/11787/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/11787/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/11787/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/11787.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">5749</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">4</span> The Malacca Empire: Sayings of Prophet Muhammad in Sulalat Al-Salatin</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Abdur-Rahman%20M.%20A.">Abdur-Rahman M. A.</a>, <a href="https://publications.waset.org/search?q=R.%20M.%20Mohd.%20Ali"> R. M. Mohd. Ali</a>, <a href="https://publications.waset.org/search?q=R.%20A.%20I.%20R.%20Yaacob."> R. A. I. R. Yaacob.</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In the fifteenth century, the Malacca Empire emerged as the centre of Islamic civilization in the Malay Archipelago. The history had been recorded in Sulalat Al-Salatin, an important literary source about the genealogy of all Kings in Malacca. The objective of this study was to analyze the understanding of sayings from Prophet Muhammad among Malays in Malacca during the fifteenth century through all of the hadith quoted in Sulalat Al-Salatin. This study used content analysis methodology to validate the sayings where all of them were critically analyzed and compared with the classical hadith sources from prominent Muslim scholars. As a result, only two out of the four quotations were considered as authentic sayings of Prophet Muhammad. This study also showed the importance of the palace as the centre of the Islamic education system and the role played by Muslim preachers from outside of Malacca to propagate Islam in Malacca. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Hadith%20in%20Malay%20Annals" title="Hadith in Malay Annals">Hadith in Malay Annals</a>, <a href="https://publications.waset.org/search?q=Malay%20Annals" title=" Malay Annals"> Malay Annals</a>, <a href="https://publications.waset.org/search?q=SejarahMelayu" title=" SejarahMelayu"> SejarahMelayu</a>, <a href="https://publications.waset.org/search?q=Sulalat%20Al-Salatin." title=" Sulalat Al-Salatin."> Sulalat Al-Salatin.</a> </p> <a href="https://publications.waset.org/10697/the-malacca-empire-sayings-of-prophet-muhammad-in-sulalat-al-salatin" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10697/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10697/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10697/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10697/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10697/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10697/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10697/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10697/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10697/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10697/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10697.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">1714</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">3</span> Performance Comparison of Single and Multi-Path Routing Protocol in MANET with Selfish Behaviors</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Abdur%20Rashid%20Sangi">Abdur Rashid Sangi</a>, <a href="https://publications.waset.org/search?q=Jianwei%20Liu"> Jianwei Liu</a>, <a href="https://publications.waset.org/search?q=Zhiping%20Liu"> Zhiping Liu</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Mobile Ad Hoc network is an infrastructure less network which operates with the coordination of each node. Each node believes to help another node, by forwarding its data to/from another node. Unlike a wired network, nodes in an ad hoc network are resource (i.e. battery, bandwidth computational capability and so on) constrained. Such dependability of one node to another and limited resources of nodes can result in non cooperation by any node to accumulate its resources. Such non cooperation is known as selfish behavior. This paper discusses the performance analysis of very well known MANET single-path (i.e. AODV) and multi-path (i.e. AOMDV) routing protocol, in the presence of selfish behaviors. Along with existing selfish behaviors, a new variation is also studied. Extensive simulations were carried out using ns-2 and the study concluded that the multi-path protocol (i.e. AOMDV) with link disjoint configuration outperforms the other two configurations. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=performance%20analysis" title="performance analysis">performance analysis</a>, <a href="https://publications.waset.org/search?q=single%20and%20multi%20path%20protocol" title=" single and multi path protocol"> single and multi path protocol</a>, <a href="https://publications.waset.org/search?q=selfish%20behaviors." title="selfish behaviors.">selfish behaviors.</a> </p> <a href="https://publications.waset.org/6729/performance-comparison-of-single-and-multi-path-routing-protocol-in-manet-with-selfish-behaviors" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/6729/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/6729/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/6729/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/6729/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/6729/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/6729/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/6729/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/6729/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/6729/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/6729/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/6729.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">2023</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2</span> Reduction of Rotor-Bearing-Support Finite Element Model through Substructuring</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Abdur%20Rosyid">Abdur Rosyid</a>, <a href="https://publications.waset.org/search?q=Mohamed%20El-Madany"> Mohamed El-Madany</a>, <a href="https://publications.waset.org/search?q=Mohanad%20Alata"> Mohanad Alata</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>Due to simplicity and low cost, rotordynamic system is often modeled by using lumped parameters. Recently, finite elements have been used to model rotordynamic system as it offers higher accuracy. However, it involves high degrees of freedom. In some applications such as control design, this requires higher cost. For this reason, various model reduction methods have been proposed. This work demonstrates the quality of model reduction of rotor-bearing-support system through substructuring. The quality of the model reduction is evaluated by comparing some first natural frequencies, modal damping ratio, critical speeds, and response of both the full system and the reduced system. The simulation shows that the substructuring is proven adequate to reduce finite element rotor model in the frequency range of interest as long as the number and the location of master nodes are determined appropriately. However, the reduction is less accurate in an unstable or nearly-unstable system.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Finite%20element%20model" title="Finite element model">Finite element model</a>, <a href="https://publications.waset.org/search?q=rotordynamic%20system" title=" rotordynamic system"> rotordynamic system</a>, <a href="https://publications.waset.org/search?q=model%20reduction" title=" model reduction"> model reduction</a>, <a href="https://publications.waset.org/search?q=substructuring." title=" substructuring."> substructuring.</a> </p> <a href="https://publications.waset.org/9996695/reduction-of-rotor-bearing-support-finite-element-model-through-substructuring" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/9996695/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/9996695/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/9996695/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/9996695/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/9996695/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/9996695/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/9996695/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/9996695/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/9996695/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/9996695/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/9996695.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">4072</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1</span> The Optimal Production of Long-Beans in the Swamp Land by Application of Rhizobium and Rice Husk Ash</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Hasan%20Basri%20Jumin">Hasan Basri Jumin</a>, <a href="https://publications.waset.org/search?q=Abdur%20Rahman"> Abdur Rahman</a>, <a href="https://publications.waset.org/search?q=M.%20Nur"> M. Nur</a>, <a href="https://publications.waset.org/search?q=Ernita"> Ernita</a>, <a href="https://publications.waset.org/search?q=Tati%20Maharani"> Tati Maharani</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>The swamp land contains high levels of iron and aluminum, as well as a low pH. Calcium and magnesium present in the rice husk ash can mitigate plant poisoning, thereby enhancing plant growth and fertility. Two main factors were considered in the study: The dosage of rice husk, and the rhizobium inoculant dosage, which was varied at 0.0 g/kg seed, 4.0 g/kg seed, 8.0 g/kg seed, and 12.0 g/kg seed. The plants were cultivated under controlled lighting conditions with a photoperiod of 11.45 to 12.15 hours. The combination of rhizobium inoculant and rice husk ash has demonstrated an interacting effect on the production of fresh weight in long bean pods. The mean relative growth rate, net assimilation rate, and pod fresh weight are increased by a combination of husk rice ash and rhizobium inoculant. Rice husk ash enhances nitrogen availability in the soil, even in cases of poor nutritional conditions. Rhizobium plays an active role in nitrogen fixation from the atmosphere, as it enhances both intercellular and symbiotic nitrogen capabilities in long beans. The combination of rice husk ash and rhizobium can effectively contribute to thriving soil conditions.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Aluminum" title="Aluminum">Aluminum</a>, <a href="https://publications.waset.org/search?q=calcium" title=" calcium"> calcium</a>, <a href="https://publications.waset.org/search?q=fixation" title=" fixation"> fixation</a>, <a href="https://publications.waset.org/search?q=iron" title=" iron"> iron</a>, <a href="https://publications.waset.org/search?q=nitrogen." title=" nitrogen."> nitrogen.</a> </p> <a href="https://publications.waset.org/10013501/the-optimal-production-of-long-beans-in-the-swamp-land-by-application-of-rhizobium-and-rice-husk-ash" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10013501/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10013501/bibtex" target="_blank" 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