신뢰성 해석을 이용한 차량 후드 보강재의 위상최적화Topology Optimization of the Inner Reinforcement of a Vehicle's Hood using Reliability Analysis
- Other Titles
- Topology Optimization of the Inner Reinforcement of a Vehicle's Hood using Reliability Analysis
- Authors
- 박재용; 임민규; 오영규; 박재용; 한석영
- Issue Date
- Oct-2010
- Publisher
- 한국생산제조학회
- Keywords
- Bi-directional Evolutionary Structural Optimization(양방향 진화적 구조최적화); Multi-objective Design Optimization (다목적 설계최적화); Performance Measure Approach(목표성능치 접근법); Reliability-based Topology Optimization (신뢰성기반 위상최적화); Outer panel(외부 판넬)
- Citation
- 한국생산제조학회지, v.19, no.5, pp.691 - 697
- Indexed
- KCI
- Journal Title
- 한국생산제조학회지
- Volume
- 19
- Number
- 5
- Start Page
- 691
- End Page
- 697
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/172648
- ISSN
- 2508-5093
- Abstract
- Reliability-based topology optimization (RBTO) is to get an optimal topology satisfying uncertainties of design variables. In this study, reliability-based topology optimization method is applied to the inner reinforcement of vehicle's hood based on BESO. A multi-objective topology optimization technique was implemented to obtain optimal topology of the inner reinforcement of the hood. considering the static stiffness of bending and torsion as well as natural frequency. Performance measure approach (PMA), which has probabilistic constraints that are formulated in terms of the reliability index, is adopted to evaluate the probabilistic constraints. To evaluate the obtained optimal topology by RBTO, it is compared with that of DTO of the inner reinforcement of the hood. It is found that the more suitable topology is obtained through RBTO than DTO even though the final volume of RBTO is a little bit larger than that of DTO. From the result, multiobjective optimization technique based on the BESO can be applied very effectively in topology optimization for vehicle's hood reinforcement considering the static stiffness of bending and torsion as well as natural frequency.
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