An anisotropic linear thermo-viscoelastic constitutive lawElastic relaxation and thermal expansion creep in the time domain

被引：0
作者：
Heinz E. Pettermann
Antonio DeSimone
机构：
[1] Vienna University of Technology,Institute of Lightweight Design and Structural Biomechanics
[2] Scuola Internazionale Superiore di Studi Avanzati – SISSA,undefined
来源：
Mechanics of Time-Dependent Materials | 2018年 / 22卷
关键词：
Viscoelastic; Anisotropic; Constitutive laws; Thermal expansion creep; Finite element method implementation;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A constitutive material law for linear thermo-viscoelasticity in the time domain is presented. The time-dependent relaxation formulation is given for full anisotropy, i.e., both the elastic and the viscous properties are anisotropic. Thereby, each element of the relaxation tensor is described by its own and independent Prony series expansion. Exceeding common viscoelasticity, time-dependent thermal expansion relaxation/creep is treated as inherent material behavior. The pertinent equations are derived and an incremental, implicit time integration scheme is presented.
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页码：421 / 433
页数：12
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