Search results for: Hyperelasticity

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Hyperelasticity</title> <meta name="description" content="Search results for: Hyperelasticity"> <meta name="keywords" content="Hyperelasticity"> <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 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action="https://publications.waset.org/search"> <div id="custom-search-input"> <div class="input-group"> <i class="fas fa-search"></i> <input type="text" class="search-query" name="q" placeholder="Author, Title, Abstract, Keywords" value="Hyperelasticity"> <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> 2</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: Hyperelasticity</h1> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2</span> Numerical Model of Low Cost Rubber Isolators for Masonry Housing in High Seismic Regions</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Ahmad%20B.%20Habieb">Ahmad B. Habieb</a>, <a href="https://publications.waset.org/search?q=Gabriele%20Milani"> Gabriele Milani</a>, <a href="https://publications.waset.org/search?q=Tavio%20Tavio"> Tavio Tavio</a>, <a href="https://publications.waset.org/search?q=Federico%20Milani"> Federico Milani</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Housings in developing countries have often inadequate seismic protection, particularly for masonry. People choose this type of structure since the cost and application are relatively cheap. Seismic protection of masonry remains an interesting issue among researchers. In this study, we develop a low-cost seismic isolation system for masonry using fiber reinforced elastomeric isolators. The elastomer proposed consists of few layers of rubber pads and fiber lamina, making it lower in cost comparing to the conventional isolators. We present a finite element (FE) analysis to predict the behavior of the low cost rubber isolators undergoing moderate deformations. The FE model of the elastomer involves a hyperelastic material property for the rubber pad. We adopt a Yeoh hyperelasticity model and estimate its coefficients through the available experimental data. Having the shear behavior of the elastomers, we apply that isolation system onto small masonry housing. To attach the isolators on the building, we model the shear behavior of the isolation system by means of a damped nonlinear spring model. By this attempt, the FE analysis becomes computationally inexpensive. Several ground motion data are applied to observe its sensitivity. Roof acceleration and tensile damage of walls become the parameters to evaluate the performance of the isolators. In this study, a concrete damage plasticity model is used to model masonry in the nonlinear range. This tool is available in the standard package of Abaqus FE software. Finally, the results show that the low-cost isolators proposed are capable of reducing roof acceleration and damage level of masonry housing. Through this study, we are also capable of monitoring the shear deformation of isolators during seismic motion. It is useful to determine whether the isolator is applicable. According to the results, the deformations of isolators on the benchmark one story building are relatively small. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Masonry" title="Masonry">Masonry</a>, <a href="https://publications.waset.org/search?q=low%20cost%20elastomeric%20isolator" title=" low cost elastomeric isolator"> low cost elastomeric isolator</a>, <a href="https://publications.waset.org/search?q=finite%20element%0D%0Aanalysis" title=" finite element analysis"> finite element analysis</a>, <a href="https://publications.waset.org/search?q=hyperelasticity" title=" hyperelasticity"> hyperelasticity</a>, <a href="https://publications.waset.org/search?q=damped%20non-linear%20spring" title=" damped non-linear spring"> damped non-linear spring</a>, <a href="https://publications.waset.org/search?q=concrete%20damage%0D%0Aplasticity." title=" concrete damage plasticity."> concrete damage plasticity.</a> </p> <a href="https://publications.waset.org/10007169/numerical-model-of-low-cost-rubber-isolators-for-masonry-housing-in-high-seismic-regions" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10007169/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10007169/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10007169/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10007169/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10007169/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10007169/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10007169/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10007169/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10007169/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10007169/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10007169.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">1185</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> A Constitutive Model of Ligaments and Tendons Accounting for Fiber-Matrix Interaction</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Ratchada%20Sopakayang">Ratchada Sopakayang</a>, <a href="https://publications.waset.org/search?q=Gerhard%20A.%20Holzapfel"> Gerhard A. Holzapfel</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this study, a new constitutive model is developed to describe the hyperelastic behavior of collagenous tissues with a parallel arrangement of collagen fibers such as ligaments and tendons. The model is formulated using a continuum approach incorporating the structural changes of the main tissue components: collagen fibers, proteoglycan-rich matrix and fiber-matrix interaction. The mechanical contribution of the interaction between the fibers and the matrix is simply expressed by a coupling term. The structural change of the collagen fibers is incorporated in the constitutive model to describe the activation of the fibers under tissue straining. Finally, the constitutive model can easily describe the stress-stretch nonlinearity which occurs when a ligament/tendon is axially stretched. This study shows that the interaction between the fibers and the matrix contributes to the mechanical tissue response. Therefore, the model may lead to a better understanding of the physiological mechanisms of ligaments and tendons under axial loading. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Hyperelasticity" title="Hyperelasticity">Hyperelasticity</a>, <a href="https://publications.waset.org/search?q=constitutive%20model" title=" constitutive model"> constitutive model</a>, <a href="https://publications.waset.org/search?q=fiber-matrix%0D%0Ainteraction" title=" fiber-matrix interaction"> fiber-matrix interaction</a>, <a href="https://publications.waset.org/search?q=ligament" title=" ligament"> ligament</a>, <a href="https://publications.waset.org/search?q=tendon." title=" tendon."> tendon.</a> </p> <a href="https://publications.waset.org/10007100/a-constitutive-model-of-ligaments-and-tendons-accounting-for-fiber-matrix-interaction" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10007100/apa" target="_blank" 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Search results for: Hyperelasticity