期刊
ACTA MECHANICA SINICA
卷 26, 期 5, 页码 767-775出版社
SPRINGER HEIDELBERG
DOI: 10.1007/s10409-010-0370-3
关键词
Design-dependent loads; Topology optimization; 3D structures; Load surface; Pressure loading
资金
- National Natural Science Foundation of China [90816025, 10721062]
- National Basic Research Program of China [2006CB601205]
- Ministry of Education of China [NCET-04-0272]
Topology optimization of continuum structures with design-dependent loads has long been a challenge. In this paper, the topology optimization of 3D structures subjected to design-dependent loads is investigated. A boundary search scheme is proposed for 3D problems, by means of which the load surface can be identified effectively and efficiently, and the difficulties arising in other approaches can be overcome. The load surfaces are made up of the boundaries of finite elements and the loads can be directly applied to corresponding element nodes, which leads to great convenience in the application of this method. Finally, the effectiveness and efficiency of the proposed method is validated by several numerical examples.
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