Peridynamics‐Based Fracture Animation for Elastoplastic Solids

Chen Wei; Zhu Fei; Zhao Jing; Li Sheng; Wang Guoping

摘要

Abstract >In this paper, we exploit the use of peridynamics theory for graphical animation of material deformation and fracture. We present a new meshless framework for elastoplastic constitutive modelling that contrasts with previous approaches in graphics. Our peridynamics‐based elastoplasticity model represents deformation behaviours of materials with high realism. We validate the model by varying the material properties and performing comparisons with finite element method (FEM) simulations. The integral‐based nature of peridynamics makes it trivial to model material discontinuities, which outweighs differential‐based methods in both accuracy and ease of implementation. We propose a simple strategy to model fracture in the setting of peridynamics discretization. We demonstrate that the fracture criterion combined with our elastoplasticity model could realistically produce ductile fracture as well as brittle fracture. Our work is the first application of peridynamics in graphics that could create a wide range of material phenomena including elasticity, plasticity, and fracture. The complete framework provides an attractive alternative to existing methods for producing modern visual effects. </abstract> </span> <span class="z_kbtn z_kbtnclass hoverxs" style="display: none;">展开▼</span> </div> <div class="translation abstracttxt"> <span class="zhankaihshouqi fivelineshidden" id="abstract"> <span>机译：</span><Abstract Type =“Main”XML：Lang =“en”> <标题类型=“main”>抽象</ title> >在本文中，我们利用了模仿理论的材料变形和骨折的图形动画。我们为弹塑性本构型建模提供了一种新的无丝石框架，与以前的图形方法形成鲜明对比。我们透明基于顽皮的弹性塑性模型代表了具有高现实主义材料的变形行为。我们通过改变材料属性并使用有限元方法（FEM）模拟进行比较来验证模型。绝大学的基于积分的性质使其变得微不足道的模型不连续性，这在两种准确性和易于实现方面都超过了基于差分的方法。我们提出了一种简单的策略来模拟蒙着动力学离散化的裂缝。我们证明，与我们的弹性塑性模型相结合的裂缝标准可以现实地产生韧性骨折以及脆性骨折。我们的作品是在图形中第一次应用春肿，可以创造各种材料现象，包括弹性，可塑性和骨折。完整的框架为现有的现代视觉效果提供了有吸引力的替代方法。</ p> </ abstract> </span> <span class="z_kbtn z_kbtnclass hoverxs" style="display: none;">展开▼</span> </div> </div> <div class="record"> <h2 class="all_title" id="enpatent33" >著录项</h2> <ul> <li> <span class="lefttit">来源</span> <div style="width: 86%;vertical-align: text-top;display: inline-block;"> <a href='/journal-foreign-16902/'>《Computer Graphics Forum: Journal of the European Association for Computer Graphics》</a> <b style="margin: 0 2px;">|</b><span>2018年第1期</span><b style="margin: 0 2px;">|</b><span>共13页</span> </div> </li> <li> <div class="author"> <span class="lefttit">作者</span> <p id="fAuthorthree" class="threelineshidden zhankaihshouqi"> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Chen Wei&option=202" target="_blank" rel="nofollow">Chen Wei;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Zhu Fei&option=202" target="_blank" rel="nofollow">Zhu Fei;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Zhao Jing&option=202" target="_blank" rel="nofollow">Zhao Jing;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Li Sheng&option=202" target="_blank" rel="nofollow">Li Sheng;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Wang Guoping&option=202" target="_blank" rel="nofollow">Wang Guoping;</a> </p> <span class="z_kbtnclass z_kbtnclassall hoverxs" id="zkzz" style="display: none;">展开▼</span> </div> </li> <li> <div style="display: flex;"> <span class="lefttit">作者单位</span> <div style="position: relative;margin-left: 3px;max-width: 639px;"> <div class="threelineshidden zhankaihshouqi" id="fOrgthree"> <p>Department of Computer SciencePeking UniversityBeijing China;</p> <p>Department of Computer SciencePeking UniversityBeijing China;</p> <p>School of Information Science and EngineeringYanshan UniversityHebei Province China;</p> <p>Department of Computer SciencePeking UniversityBeijing China;</p> <p>Department of Computer SciencePeking UniversityBeijing China;</p> </div> <span class="z_kbtnclass z_kbtnclassall hoverxs" id="zhdw" style="display: none;">展开▼</span> </div> </div> </li> <li > <span class="lefttit">收录信息</span> <span style="width: 86%;vertical-align: text-top;display: inline-block;"></span> </li> <li> <span class="lefttit">原文格式</span> <span>PDF</span> </li> <li> <span class="lefttit">正文语种</span> <span>eng</span> </li> <li> <span class="lefttit">中图分类</span> <span><a href="https://www.zhangqiaokeyan.com/clc/7754.html" title="计算机的应用">计算机的应用;</a></span> </li> <li class="antistop"> <span class="lefttit">关键词</span> <p style="width: 86%;vertical-align: text-top;"> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=peridynamics&option=203" rel="nofollow">peridynamics;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=fracture&option=203" rel="nofollow">fracture;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=elastoplasticity&option=203" rel="nofollow">elastoplasticity;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=I.3.7 Computer Graphics: Three‐Dimensional Graphics and Realism—Animation&option=203" rel="nofollow">I.3.7 Computer Graphics: Three‐Dimensional Graphics and Realism—Animation;</a> </p> <div class="translation"> 机译：白颌骨;骨折;弹塑性;I.3.7 [计算机图形]：三维图形和现实主义动画; </div> </li> </ul> </div> </div> <div class="literature cardcommon"> <div class="similarity "> <h3 class="all_title" id="enpatent66">相似文献</h3> <div class="similaritytab clearfix"> <ul> <li class="active" >外文文献</li> <li >中文文献</li> <li >专利</li> </ul> </div> <div class="similarity_details"> <ul > <li> <div> <b>1. </b><a class="enjiyixqcontent" href="/journal-foreign-detail/0704022260163.html">Peridynamics‐Based Fracture Animation for Elastoplastic Solids</a> <b>[J]</b> . <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Chen Wei&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">Chen Wei,</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Zhu Fei&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">Zhu Fei,</a> <a 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