A partitioned solution approach for electro-thermo-mechanical problems
A partitioned solution approach for electro-thermo-mechanical problems
复制标题
电热机械问题的分区求解方法
DOI:
10.1007/s00419-014-0941-z
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发表时间:
2015
影响因子:
2.8
通讯作者:
Düster
中科院分区:
文献类型:
--
作者:
Erbts ;Hartmann ;Düster
The purposes of this article are to present new aspects of modeling multi-physically coupled fields, focusing particularly on the partitioned treatment of electro-thermo-mechanical problems. Coupled problems of this kind occur in many industrial applications, such as micro-electrical devices, field-assisted sintering processes or electrical fuses. In this paper, we restrict ourselves to the case of nonlinear thermo-elasticity at finite strains and a heat source resulting from the electrical field. Plasticity effects are not taken into consideration. The objective is to ascertain the coupling of the algorithm relating to the fields involved individually and to demonstrate a global partitioned solution strategy. We also introduce several methods that increase algorithmic stability and accelerate the iterative coupling process. This article aims to present an efficient partitioned coupling strategy for different coupling levels between the fields. To this end, we study the proposed algorithm with the help of several numerical examples ranging from linear to highly nonlinear problems, involving substantial geometric changes and finite strains.
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1986
期刊:
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DOI:
10.1016/j.camwa.2013.05.022
发表时间:
2013-09
期刊:
Comput. Math. Appl.
影响因子:
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作者:
Torben Netz;Ahmad-Wahadj Hamkar;S. Hartmann
通讯作者:
Torben Netz;Ahmad-Wahadj Hamkar;S. Hartmann