Modified Newmark family for non-linear dynamic analysis

被引：11
|
作者：
Bui, QV [1 ]
机构：
[1] Univ Liege, LTAS, Continuum & Thermodynam Mech Dept, B-4000 Liege 1, Belgium
来源：
INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN ENGINEERING | 2004年 / 61卷 / 09期
关键词：
energy conservation; numerical damping; Newmark algorithm;
D O I：
10.1002/nme.1114
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A simple modification of the Newmark scheme is suggested, which keeps the total energy of mechanical systems constant and thereby enhances the unconditional stability in non-linear dynamic analysis. Numerical damping, which is formulated on an energy basis, is also introduced and the dissipative character of the algorithm is guaranteed in the non-linear regime. Representative examples in support of such a modified Newmark family are presented. Copyright (C) 2004 John Wiley Sons, Ltd.
引用
收藏
页码：1390 / 1420
页数：31
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