期刊
INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER
卷 127, 期 -, 页码 200-209出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijheatmasstransfer.2018.08.036
关键词
Heat conduction; Level set method; BESO; Hole nucleation; Topology optimization; Topological derivative
资金
- National Natural Science Foundation of China [51575203]
- Natural Science Foundation for Distinguished Young Scholars of Hubei province of China [2017CFA044]
The optimal design problem of heat conduction is solved by combining the level set method and the bidirectional evolutionary optimization (BESO) method. It is well known that the level set method is not able to nucleate holes in the structure during the optimization. In order to address this issue, the material removal scheme of the BESO is combined in the level set based topology optimization. In other words, hole is nucleated by using the material removal scheme. The criterion for hole nucleation is explained, and the optimization procedure is described. The results of numerical examples prove that the proposed method is effective and efficient. (C) 2018 Elsevier Ltd. All rights reserved.
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