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Coupling between non-local particle and finite element methods

机译：非局部粒子与有限元方法的耦合

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摘要

This paper presents a coupling algorithm between a non-local particle method (the volume compensated particle method, VCPM) and the classical finite element method (FEM) to bring together the advantages of both methods for fracture analysis in large structures. In this algorithm, the discrete VCPM particle and the continuum FEM domains are solved within a unified theoretical framework. A new10-partilces element is developed and used to solve the VCPM particle domain, which serves to provide a seamless linkage with the continuum FEM domain. A transitional technology is also developed to smoothly link the 10-particles element with the traditional FEM elements to guaranty the continuity and consistencyat the coupling interface. The accuracy and efficiency of the coupling algorithm are tested by several benchmark problems.
机译：本文提出了一种非局部粒子方法（体积补偿粒子方法，VCPM）和经典有限元方法（FEM）之间的耦合算法，以结合这两种方法在大型结构中的优点。在该算法中，离散VCPM粒子和连续FEM域在统一的理论框架内求解。开发了一个新的10个粒子元素，并将其用于求解VCPM粒子域，该域可提供与连续FEM域的无缝链接。还开发了一种过渡技术，以使10粒子元素与传统FEM元素平滑链接，以确保耦合界面的连续性和一致性。耦合算法的准确性和效率通过几个基准问题进行了测试。

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  • 会议地点 Kissimmee FL(US)
  • 作者

    Enqiang Lin; Hailong Chen; Yongming Liu;

  • 作者单位

    Arizona State University, School of Engineering of Matter, Transport and Energy, Tempe, AZ, 85287;

    Arizona State University, School of Engineering of Matter, Transport and Energy, Tempe, AZ, 85287;

    Arizona State University, School of Engineering of Matter, Transport and Energy, Tempe, AZ, 85287;

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