期刊
STRUCTURAL AND MULTIDISCIPLINARY OPTIMIZATION
卷 53, 期 6, 页码 1243-1260出版社
SPRINGER
DOI: 10.1007/s00158-015-1372-3
关键词
Topology optimization; Moving Morphable components; Design sensitivity
资金
- National Natural Science Foundation [10925209, 91216201, 11402048]
- Fundamental Research Funds for the Central Universities
- Program for Changjiang Scholars, Innovative Research Team in University (PCSIRT)
- 111 Project [B14013]
This paper presents a new topology optimization approach based on the so-called Moving Morphable Components (MMC) solution framework. The proposed method improves several weaknesses of the previous approach (e.g., Guo et al. in J Appl Mech 81:081009, 2014a) in the sense that it can not only allow for components with variable thicknesses but also enhance the numerical solution efficiency substantially. This is achieved by constructing the topological description functions of the components appropriately, and utilizing the ersatz material model through projecting the topological description functions of the components. Numerical examples demonstrate the effectiveness of the proposed approach. In order to help readers understand the essential features of this approach, a 188 line Matlab implementation of this approach is also provided.
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