Multi-phase Material Topology Optimization Design of Heat Dissipation Structures Considering Topology-dependent Heat Sources

被引：0
|
作者：
Zhao Q. [1 ,2 ]
Zhang H. [2 ]
Jiang R. [2 ]
Hua Q. [1 ,2 ]
Yuan L. [2 ]
机构：
[1] National and Local Union Engineering Research Center of Electric Vehicle Intelligent Power Integration Technology, Qingdao University, Qingdao
[2] Mechanical and Electrical College, Qingdao University, Qingdao
来源：
Zhongguo Jixie Gongcheng/China Mechanical Engineering | 2020年 / 31卷 / 20期
关键词：
Dissipation of heat potential capacity; Heat conduction; Multi-phase material; Topology dependent; Topology optimization;
D O I：
10.3969/j.issn.1004-132X.2020.20.002
中图分类号：
学科分类号：
摘要：
Considering the topology-dependent heat source problems in the heat conduction topology optimization design, the mathematical model of multi-phase material topology optimization of heat dissipation structures was constructed. The objective function was assigned to dissipation of heat potential capacity, combined with volume fraction constraint conditions. The variable density theory was introduced to represent the multi-phase material interpolation model based on ordered-solid isotropic microstructures with penalization (Ordered-SIMP) methodology. Then the sensitivity analysis of topology-dependent and topology-independent heat sources was executed respectively, and the iteration format of design variables were solved by optimization criterion. The partial differential equation filter method was implemented to suppress numerical instability in the optimization processes. Through the 2D/3D numerical models, the meaningful conclusions of topology-dependent heat sources, topology-independent heat sources and coupled heat sources were illustrated under different boundary conditions. The proposed method is effective and feasible in solving the multi-phase material topology optimization problem of topology-dependent heat sources. © 2020, China Mechanical Engineering Magazine Office. All right reserved.
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页码：2403 / 2411
页数：8
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