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논문 기본 정보

자료유형
학술저널
저자정보
Cifuentes, Cristian (Ocean Engineering Program, Department of Civil Engineering, Texas A&M University) Kim, Seungjun (Ocean Engineering Program, Department of Civil Engineering, Texas A&M University) Kim, M.H. (Ocean Engineering Program, Department of Civil Engineering, Texas A&M University) Park, W.S. (KIOST)
저널정보
테크노프레스 Ocean systems engineering Ocean systems engineering 제5권 제2호
발행연도
2015.1
수록면
109 - 123 (15page)

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In the present study, the coupled dynamic response of a Submerged Floating Tunnel (SFT) and mooring lines under regular waves is solved by using two independent numerical simulation methods, OrcaFlex and CHARM3D, in time domain. Variations of Buoyancy to Weight Ratio (BWR), wave steepness/period, and water/submergence depth are considered as design and environmental parameters in the study. Two different mooring-line configurations, vertical and inclined, are studied to find an optimum design in terms of limiting tunnel motions and minimizing mooring-line tension. The numerical results are successfully validated by direct comparison against published experimental data. The results show that tunnel motions and tether tensions grow with wave height and period and decrease with submergence depth. The inclined mooring system is more effective in restricting tunnel motions compared to the vertical mooring system. Overall, the present study demonstrates the feasibility of this type of structure as an alternative to traditional bridges or under-seabed tunnels.

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