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首页> 外文期刊>Computer Methods in Applied Mechanics and Engineering >An edge-based smoothed finite element method (ES-FEM) with stabilized discrete shear gap technique for analysis of Reissner-Mindlin plates
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An edge-based smoothed finite element method (ES-FEM) with stabilized discrete shear gap technique for analysis of Reissner-Mindlin plates

机译：基于边缘的平滑有限元方法（ES-FEM），具有稳定的离散剪切间隙技术，用于Reissner-Mindlin板的分析

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摘要

An edge-based smoothed finite element method (ES-FEM) for static, free vibration and buckling analyses of Reissner-Mindlin plates using 3-node triangular elements is studied in this paper. The calculation of the system stiffness matrix is performed by using the strain smoothing technique over the smoothing domains associated with edges of elements. In order to avoid the transverse shear locking and to improve the accuracy of the present formulation, the ES-FEM is incorporated with the discrete shear gap (DSG) method together with a stabilization technique to give a so-called edge-based smoothed stabilized discrete shear gap method (ES-DSG). The numerical examples demonstrated that the present ES-DSG method is free of shear locking and achieves the high accuracy compared to the exact solutions and others existing elements in the literature.
机译：本文研究了基于边缘的平滑有限元方法（ES-FEM），用于使用三节点三角单元的Reissner-Mindlin板进行静态，自由振动和屈曲分析。系统刚度矩阵的计算是通过使用应变平滑技术在与元素边缘相关联的平滑域上进行的。为了避免横向剪切锁定并提高本配方的准确性，将ES-FEM与离散剪切间隙（DSG）方法以及稳定技术结合在一起，以提供所谓的基于边缘的平滑稳定离散剪切间隙法（ES-DSG）。数值算例表明，与精确解和文献中其他现有要素相比，本发明的ES-DSG方法没有剪切锁定，并且具有很高的精度。

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  • 作者

    H. Nguyen-Xuan; G.R. Liu; C. Thai-Hoang; T. Nguyen-Thoi;

  • 作者单位

    Singapore-MIT Alliance (SMA), E4-04-10, 4 Engineering Drive 3, Singapore 117576, Singapore Department of Mechanics, Faculty of Mathematics and Computer Science, University of Science HCM, Viet Nam;

    Singapore-MIT Alliance (SMA), E4-04-10, 4 Engineering Drive 3, Singapore 117576, Singapore Center for Advanced Computations in Engineering Science (ACES), Department of Mechanical Engineering, National University of Singapore, 9 Engineering Drive 1, Singapore 117576, Singapore;

    EMMC Center, University of Technology HCM, Viet Nam;

    Center for Advanced Computations in Engineering Science (ACES), Department of Mechanical Engineering, National University of Singapore, 9 Engineering Drive 1, Singapore 117576, Singapore Department of Mechanics, Faculty of Mathematics and Computer Science, University of Science HCM, Viet Nam;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    plate bending; transverse shear locking; numerical methods; finite element method (FEM); edge-based smoothed finite element; method (ES-FEM); discrete shear gap method (DSG); stabilized method;

    机译：板弯曲横向剪切锁定数值方法有限元法（FEM）;基于边缘的平滑有限元;方法（ES-FEM）;离散剪切间隙法（DSG）;稳定方法;

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