Solving inverse viscoelasticity problems via aggregate function approach

被引：2
|
作者：
Yang, HT [1 ]
Yan, J [1 ]
Li, XS [1 ]
机构：
[1] Dalian Univ Technol, State Key Lab Struct Anal Ind Equipment, Dept Engn Mech, Dalian 116024, Peoples R China
来源：
INTERNATIONAL JOURNAL OF SOLIDS AND STRUCTURES | 2003年 / 40卷 / 13-14期
关键词：
viscoelasticity; inverse problem; aggregate function; nonlinear programming; constitutive relationship;
D O I：
10.1016/S0020-7683(03)00077-5
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
This paper presents a nonlinear programming model with multi-constraints of inequality to solve inverse viscoelasticity problems. By utilizing an aggregate function approach, multi-constraints are converted into a single smooth constraint. The optimization with a single constraint is realized by using a technique of multiplier penalty functions, and a standard BFGS algorithm is employed in the solution process. Results with time dependent and independent noise data are given. (C) 2003 Published by Elsevier Science Ltd.
引用
收藏
页码：3707 / 3716
页数：10
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