Determination of the elasto-plastic properties of aluminium using a mixed numerical-experimental method

被引:145
|
作者
Meuwissen, MHH [1 ]
Oomens, CWJ [1 ]
Baaijens, FPT [1 ]
Petterson, R [1 ]
Janssen, JD [1 ]
机构
[1] Eindhoven Univ Technol, Dept Mech Engn, NL-5600 MB Eindhoven, Netherlands
关键词
parameter estimation; aluminium; yield criteria; finite-element modelling; inverse methods;
D O I
10.1016/S0924-0136(97)00366-X
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
A mixed numerical-experimental method is used to determine the parameters in elasto-plastic constitutive models. Aluminium plates of non-standard geometry are mounted in a uniaxial tensile-testing machine. On the surfaces of the plates retro-reflective markers are placed. The displacements of these markers are measured optically. These measurements are used to determine yield stresses in the isotropic Von Mises and the orthotropic Hill yield criterion. The models are evaluated by examining the estimated parameters and the residual displacements. (C) 1998 Elsevier Science S.A.
引用
收藏
页码:204 / 211
页数:8
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