고주기 피로수명을 고려한 위상최적설계Topology Optimization Considering High-Cycle Fatigue Life
- Other Titles
- Topology Optimization Considering High-Cycle Fatigue Life
- Authors
- 조영우; 민승재
- Issue Date
- Dec-2013
- Publisher
- 대한기계학회
- Keywords
- Fatigue Life(피로 수명); Topology Optimization(위상 최적화); Stress Constraint(응력 제한조건)
- Citation
- 대한기계학회 2013년도 학술대회, pp.3678 - 3679
- Indexed
- OTHER
- Journal Title
- 대한기계학회 2013년도 학술대회
- Start Page
- 3678
- End Page
- 3679
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/161080
- Abstract
- This paper presents the topology optimization considering high-cycle fatigue life. In the topology optimization, the factors about fatigue analysis such as surface factor and size factor are considered as constants because the boundary of the structure is changed with complexity every step. The fatigue analysis is only dependent on the stress. Thus, the fatigue life constraint can be replaced with the stress constraint which takes into account prescribed fatigue life. The upper limit value of the stress constraint that can withstand given fatigue loading conditions for a specific life time is determined from fatigue data. To confirm the usefulness of the proposed design method, an L-bracket design example is provided.
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