Reliability-based topology optimization using a standard response surface method for three-dimensional structures
- Authors
- Eom, Young-Sop; Yoo, Kwang-Sun; Park, Jae-Yong; Han, Seog-Young
- Issue Date
- Feb-2011
- Publisher
- SPRINGER
- Keywords
- Bi-directional evolutionary structural optimization (BESO); Reliability-based topology optimization (RBTO); Response surface method (RSM); Standard response surface method (SRSM)
- Citation
- STRUCTURAL AND MULTIDISCIPLINARY OPTIMIZATION, v.43, no.2, pp.287 - 295
- Indexed
- SCIE
SCOPUS
- Journal Title
- STRUCTURAL AND MULTIDISCIPLINARY OPTIMIZATION
- Volume
- 43
- Number
- 2
- Start Page
- 287
- End Page
- 295
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/169121
- DOI
- 10.1007/s00158-010-0569-8
- ISSN
- 1615-147X
- Abstract
- In this paper, a reliability-based topology optimization (RBTO) for 3-D structures was performed using bidirectional evolutionary structural optimization (BESO) and the standard response surface method (SRSM). In order to get a stable optimal topology, the most recently-developed filter scheme was implemented with BESO, and SRSM was used to generate an approximate limit state function. These results were compared with the recently announced results of RBTO for 2-D structures, and the differences between the results for the 3-D and 2-D structures were examined. A cantilever beam and an MBB beam were selected as the numerical examples. The comparison showed that the optimal topologies of deterministic topology optimization (DTO) and RBTO for the 2-D and 3-D MBB beams, respectively, are very different. Specifically, the two-support member on the left hand side comes into being along the width for the 3-D case, but not for the 2-D case. This shows that RBTO for 3-D structures should be performed as part of the design process.
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