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
收藏
页码：1525 / 1548
页数：24
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