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Author:

彭一江 (彭一江.) | 金明 (金明.)

Indexed by:

CQVIP PKU CSCD

Abstract:

为了改进传统的余能原理有限元方法,利用基面力概念,提出了一种具有边中节点的单元,推导出一种余能原理有限元柔度矩阵精确表达式的具体形式和节点位移显示表达式,运用广义余能原理中的Lagrange乘子法得到以基面力为基本未知量的余能原理有限元法的支配方程,编制出相应的MATLAB语言有限元分析程序.研究结果表明数值解与理论解相吻合.

Keyword:

余能原理 基面力 Lagrange乘子法 柔度矩阵 有限元

Author Community:

  • [ 1 ] [彭一江]北京工业大学
  • [ 2 ] [金明]北京交通大学

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Source :

北京工业大学学报

ISSN: 0254-0037

Year: 2007

Issue: 5

Volume: 33

Page: 487-492

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: 14

Chinese Cited Count:

30 Days PV: 1

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