基于有限元软件的形状记忆合金本构模型研究

Constitutive Model for Shape Memory Alloy Based on Finite Element Software

近年来，关于形状记忆合金本构模型的研究大量展开，在工程领域中得到了广泛的关注。简述了形状记忆合金的特性及其本构关系表达式，通过abaqus子程序自定义形状记忆合金材料，并与实验数据对比，研究结果表明本文给出的材料模型可以很好的描述形状记忆合金的特性。

In recent years, the extensive researches on constitutive model for shape memory alloy have been launched,which has received wide attention in the field of engineering. This paper describes the characteristics and the constitutive equation of shape memory alloy and draws a conclusion that the material model presented in this paper could be a good description of the properties of shape memory alloy by using the subroutine of ABAQUS to customize shape memory alloy materials and comparing with the experimental data.