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基面力单元法在空间几何非线性问题中的应用

龚琳琦 陈曦昀 郭庆 彭一江

龚琳琦, 陈曦昀, 郭庆, 彭一江. 基面力单元法在空间几何非线性问题中的应用[J]. 应用数学和力学, 2021, 42(8): 785-793. doi: 10.21656/1000-0887.410341
引用本文: 龚琳琦, 陈曦昀, 郭庆, 彭一江. 基面力单元法在空间几何非线性问题中的应用[J]. 应用数学和力学, 2021, 42(8): 785-793. doi: 10.21656/1000-0887.410341
GONG Linqi, CHEN Xiyun, GUO Qing, PENG Yijiang. Application of the Base Force Element Method to Spacial Geometrically Nonlinear Problems[J]. Applied Mathematics and Mechanics, 2021, 42(8): 785-793. doi: 10.21656/1000-0887.410341
Citation: GONG Linqi, CHEN Xiyun, GUO Qing, PENG Yijiang. Application of the Base Force Element Method to Spacial Geometrically Nonlinear Problems[J]. Applied Mathematics and Mechanics, 2021, 42(8): 785-793. doi: 10.21656/1000-0887.410341

基面力单元法在空间几何非线性问题中的应用

doi: 10.21656/1000-0887.410341
基金项目: 

国家自然科学基金(10972015)

详细信息
    作者简介:

    龚琳琦(1995—),女,硕士生(E-mail: 826809747@qq.com);彭一江(1962—),男,教授,博士(通讯作者. E-mail: pengyijiang@bjut.edu.cn).

    通讯作者:

    彭一江(1962—),男,教授,博士(通讯作者. E-mail: pengyijiang@bjut.edu.cn).

  • 中图分类号: O343.2|O242.21

Application of the Base Force Element Method to Spacial Geometrically Nonlinear Problems

Funds: 

The National Natural Science Foundation of China(10972015)

  • 摘要: 基于基面力的概念,并结合Euler角的位移描述方法,提出了适用于几何非线性计算的空间6结点余能基面力单元.使用MATLAB语言编程并对典型梁、板结构进行弹性大变形数值模拟.由计算结果可以看出,基于余能原理的基面力元法(BFEM)在计算构件的空间大变形时有较好的计算精度,对比传统有限元计算方法具有网格尺寸影响小和抗畸变能力强的特点,有良好的计算性能.
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出版历程
  • 收稿日期:  2020-11-11
  • 修回日期:  2021-01-29
  • 网络出版日期:  2021-08-14

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