다중하중조건에서 2층열차 차체의 최적설계Design Optimization of Double-Deck Train Carbody Under Multi-Loading Condition
- Other Titles
- Design Optimization of Double-Deck Train Carbody Under Multi-Loading Condition
- Authors
- 이태희; 김형진; 이진민; 정재준; 황원주
- Issue Date
- Nov-2006
- Publisher
- 대한기계학회
- Keywords
- Double-deck Train; 2층열차; Screening Technique; 스크리닝 기법; Design Optimization; 최적설계; Multi-loading Condition; 다중하중조건
- Citation
- 대한기계학회논문집 A, v.30, no.11, pp 1472 - 1478
- Pages
- 7
- Indexed
- KCI
- Journal Title
- 대한기계학회논문집 A
- Volume
- 30
- Number
- 11
- Start Page
- 1472
- End Page
- 1478
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/172425
- ISSN
- 1226-4873
2288-5226
- Abstract
- Double-deck train has been attracted growing attention as next generation transportation around metropolis because of high passenger carrying capacity. To develop high-speed double-deck train with low operational costs, the carbody must be designed as light as possible. In addition, the carbody must be strong enough to ensure the safety of passengers. To meet these design requirements, we perform systematically weight minimization that determines thickness of aluminum extruded panels of the carbody. First, to reduce the design variables, we carry out the screening process that select sensitive or/and important design variables through design exploration. Then, weight minimization is accomplished under multi-loading condition such as vertical, compressive and torsional loads, while satisfying strength constraints of the design regulations. Finally, the result of design optimization is discussed by comparison with its initial design.
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