On the implementation of finite deformation gradient-enhanced damage models
On the implementation of finite deformation gradient-enhanced damage models
复制标题
有限变形梯度增强损伤模型的实现
DOI:
10.1007/s00466-019-01684-5
复制
发表时间:
2019
影响因子:
4.1
通讯作者:
Menzel, Andreas
中科院分区:
文献类型:
--
作者:
Ostwald, Richard;Kuhl, Ellen;Menzel, Andreas
We introduce a comprehensive framework for the efficient implementation of finite deformation gradient-regularised damage formulations in existing finite element codes. The numerical implementation is established within a thermo-mechanically fully coupled finite element formulation, where the heat equation solution capabilities are utilised for the damage regularisation. The variationally consistent, gradient-extended and geometrically non-linear damage formulation is based on an overall free energy function, where the standard local free energy contribution is additively extended by two non-local terms. The first additional term basically contains the referential gradient of the non-local damage variable. Secondly, a penalty term is added to couple the local damage variable—the evolution of which is governed by an ordinary differential equation—and the non-local damage field variable that is governed by an additional balance equation of elliptic type.
登录
查看更多内容
影响因子:
2.4
作者:
César Polindara;Tobias Waffenschmidt;A. Menzel
通讯作者:
A. Menzel
DOI:
--
发表时间:
2002
期刊:
影响因子:
--
作者:
T. Liebe;P. Steinmann
通讯作者:
P. Steinmann
影响因子:
5.3
作者:
C. Miehé
通讯作者:
C. Miehé
DOI:
--
发表时间:
2010
期刊:
影响因子:
--
作者:
C. Hortig
通讯作者:
C. Hortig
DOI:
--
发表时间:
2014
期刊:
--
影响因子:
--
作者:
Rakenteiden Mekaniikka;R. Kouhia
通讯作者:
R. Kouhia