A COROTATIONAL, UPDATED LAGRANGIAN FORMULATION FOR GEOMETRICALLY NONLINEAR FINITE-ELEMENT ANALYSIS OF SHELL STRUCTURES

被引：16
作者：
JIANG, L [1 ]
CHERNUKA, MW [1 ]
PEGG, NG [1 ]
机构：
[1] DEF RES ESTAB ATLANTIC, DARTMOUTH, NS B2Y 3Z7, CANADA
来源：
FINITE ELEMENTS IN ANALYSIS AND DESIGN | 1994年 / 18卷 / 1-3期
关键词：
D O I：
10.1016/0168-874X(94)90097-3
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
A co-rotational, updated Lagrangian formulation for geometrically nonlinear analysis of shells is presented. In this finite element procedure, a standard updated Lagrangian formulation is employed to generate the tangent stiffness matrix, and a co-rotational theory is used for updating element strain, stress and internal force vectors during the Newton-Raphson iterations. Large rotation theory has been accommodated to take into account the nonvectorial characteristic of the rotational degrees-of-freedom. The present procedure is ideally suited for implementation in existing linear finite element programs and its effectiveness has been demonstrated by a number of numerical examples.
引用
收藏
页码：129 / 140
页数：12
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