응력 제한조건하의 신뢰성 기반 형상 최적설계Reliability-Based Shape Optimization Under the Stress Constraints
- Other Titles
- Reliability-Based Shape Optimization Under the Stress Constraints
- Authors
- 오영규; 박재용; 임민규; 박재용; 한석영
- Issue Date
- Aug-2010
- Publisher
- 한국생산제조학회
- Keywords
- Reliability-Based Shape Optimization(신뢰성 기반 형상 최적설계); Double-Loops Single-Vector Approach(이중루프단일벡터 방법); Single-Loop Single-Vector Approach(단일-루프 단일-벡터방법); Adaptiv-Loop Approach(적응형루프방법); Evolutionary Structural Optimization(진화적 구조 최적화)
- Citation
- 한국생산제조학회지, v.19, no.4, pp.469 - 475
- Indexed
- KCI
- Journal Title
- 한국생산제조학회지
- Volume
- 19
- Number
- 4
- Start Page
- 469
- End Page
- 475
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/174249
- ISSN
- 2508-5093
- Abstract
- The objective of this study is to integrate reliability analysis into shape optimization problem using the evolutionary structural optimization (ESO) in the application example. Reliability-based shape optimization is formulated as volume minimization problem with probabilistic stress constraint under minimization max. von Mises stress and allow stress. Young’s modulus, external load and thickness are considered as uncertain variables. In order to compute reliability index, four methods, i.e., reliability index approach (RIA), performance measure approach (PMA), single-loop single-vector (SLSV) and adaptive-loop (ADL), are used. Reliability-based shape optimization design process is conducted to obtain optimal shape satisfying max. von Mises stress and reliability index constraints with the above four methods, and then each result is compared with respect to numerical stability and computing time.
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