Variational asymptotic micromechanics modeling of heterogeneous piezoelectric materials

被引：52
作者：
Tang, Tian [1 ]
Yu, Wenbin [1 ]
机构：
[1] Utah State Univ, Dept Mech & Aerosp Engn, Logan, UT USA
来源：
MECHANICS OF MATERIALS | 2008年 / 40卷 / 10期
基金：
美国国家科学基金会;
关键词：
piezoelectric heterogeneous materials; variational asymptotic method; mircomechanics; VAMUCH;
D O I：
10.1016/j.mechmat.2008.04.007
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this paper, a new micromechanics model is developed to predict the effective properties and local fields of heterogeneous piezoelectric materials using the variational asymptotic method for unit cell homogenization (VAMUCH), a recently developed micromechanics modeling technique. Starting from the total electric enthalpy of the heterogenous continuum, we formulate the micromechanics model as a constrained minimization problem using the variational asymptotic method. To handle realistic microstructures in engineering applications, we implement this new model using the finite element method. For validation, a few examples are used to demonstrate the application and accuracy of this theory and the companion computer program - VAMUCH. (c) 2008 Elsevier Ltd. All rights reserved.
引用
收藏
页码：812 / 824
页数：13
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