A finite element formulation to identify damage fields: the equilibrium gap method

被引：154
作者：
Claire, D
Hild, F
Roux, S
机构：
[1] Univ Paris 06, CNRS, ENS, UMR 8535,LMT Cachan, F-94235 Cachan, France
[2] CNRS, UMR 125, Lab Surface Verre & Interfaces, F-93303 Aubervilliers, France
来源：
INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN ENGINEERING | 2004年 / 61卷 / 02期
关键词：
continuum damage mechanics; identification; inverse problem; full-field measurements;
D O I：
10.1002/nme.1057
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
It is proposed to determine damage parameters in two dimensions (surface of a material) or three dimensions (in the bulk of a solid) by using full-field displacement measurements. A finite-element approach is developed to evaluate piece-wise constant elastic parameters modeled by an isotropic damage variable. Two sets of examples are discussed. The first series deals with mechanical fields obtained by finite element simulations to assess the performance of the approach. The second series is concerned with displacement measurements performed during a biaxial test on a composite material. Copyright (C) 2004 John Wiley Sons, Ltd.
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收藏
页码：189 / 208
页数：20
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