A general procedure for deriving symmetric expressions for the secant and tangent stiffness matrices in finite element analysis

被引：2
|
作者：
Moran, A
Onate, E
Miquel, J
机构：
[1] Univ Oviedo, Dipartimento Construcc & Ingn Fabricat, Gijon 33203, Spain
[2] Univ Politecn Cataluna, ETA Ingn Caminos, Barcelona 08034, Spain
来源：
INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN ENGINEERING | 1998年 / 42卷 / 02期
关键词：
secant and tangent stiffness matrices; structural analysis; finite element method;
D O I：
10.1002/(SICI)1097-0207(19980530)42:2<219::AID-NME355>3.3.CO;2-5
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The paper presents a general and straightforward procedure based on the use of the strain energy density for deriving symmetric expressions of the secant and tangent stiffness matrices for finite element analysis of geometrically non-linear structural problems. The analogy with previously proposed methods for deriving secant and tangent matrices is detailed. The simplicity of the approach is shown in an example of application. (C) 1998 John Wiley & Sons, Ltd.
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页码：219 / 236
页数：18
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