Symmetry-adapted equilibrium matrices

被引：66

作者：

Kangwai, RD ^{[1
]}

Guest, SD ^{[1
]}

机构：

[1] Univ Cambridge, Dept Engn, Cambridge CB2 1PZ, England

来源：

INTERNATIONAL JOURNAL OF SOLIDS AND STRUCTURES | 2000年 / 37卷 / 11期

关键词：

Kinematics - Stiffness matrix - Stress analysis;

D O I：

10.1016/S0020-7683(98)00318-7

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

A number of authors have previously used group representation theory to block-diagonalise the stiffness matrix of a symmetric structure. This paper describes how similar techniques can be used to block-diagonalise the equilibrium matrix of a symmetric structure. This is shown to provide useful insight into the static and kinematic response of such systems. In particular, it simplifies finding and classifying states of self-stress and mechanisms, as well as reducing the computational effort required for a Force Method analysis. (C) 1999 Elsevier Science Ltd. All rights reserved.

引用

页码：1525 / 1548

页数：24

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