Node-based smoothed radial point interpolation method for electromagnetic-thermal coupled analysis
Node-based smoothed radial point interpolation method for electromagnetic-thermal coupled analysis
复制标题
用于电磁热耦合分析的基于节点的平滑径向点插值方法
DOI：
10.1016/j.apm.2019.09.047
复制
发表时间：
2020-02
影响因子：
5
通讯作者：
Ma Zhichao
中科院分区：
文献类型：
--
作者：
Zhou Liming;Ren Shuhui;Meng Guangwei;Ma Zhichao
The node-based smoothed radial point interpolation method for solving the transient responses of magneto-electro-elastic structures in thermal environment is proposed. Considering the coupling relations between the elasticity, magnetism, electricity and heat, the generalized displacement (displacement, electric potential and magnetic potential) is calculated using the modified Newmark method. G space theory and the weakened weak formulation are applied to derive the equations of node-based smoothed radial point interpolation method for the magneto-electro-thermo-elastic multi-physics coupling problems. We use triangular background meshes as they could be generated more easily for structures with complex geometry. In some cases, they could even be created automatically. Detailed numerical study has shown that node-based smoothed radial point interpolation method not only successfully overcomes the overly-stiff behavior in the FEM and provides more accurate results, but also works well with distorted meshes. Therefore, the node based smoothed radial point interpolation method could be adopted to solve the magneto-electro-thermo-elastic multi-physics coupling problems in practical engineering. (C) 2019 Elsevier Inc. All rights reserved.
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