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심해 자율 무인잠수정(AUV)의 내압선체 설계 최적화Design Optimization of Pressure Vessel of Small Autonomous Underwater Vehicle
- Other Titles
- Design Optimization of Pressure Vessel of Small Autonomous Underwater Vehicle
- Issue Date
- 2005
- Publisher
- 한국해양공학회
- Keywords
- AUV(Autonomous Underwater Vehicle); Pressure Vessel; Optimization; FEA; AUV(Autonomous Underwater Vehicle); Pressure Vessel; Optimization; FEA; 자율 무인잠수정; 내압선체; 최적화; 유한요소해석
- Citation
- 한국해양공학회지, v.19, no.1, pp 95 - 99
- Pages
- 5
- Journal Title
- 한국해양공학회지
- Volume
- 19
- Number
- 1
- Start Page
- 95
- End Page
- 99
- ISSN
- 1225-0767
2287-6715
- Abstract
- This paper presents the optimum design of cylindrical shell under external pressure loading. Two kinds of material, Al7075-T6, Ti-6Al-4V, are considered. For each material, the design variable is a thickness of the unstiffened parallel middle body shell, and the state variable, constraint, is hoop stress and the object function is total weight of the cylindrical shell. Optimization is performed by conventional FE Program, ANSYS. In addition, buckling analysis is performed for the middle body of the cylindrical shell. Finally, we calculates the payload of the cylindrical shell to keep neutral buoyancy with optimized thickness in deep-sea applications.
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