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논문 기본 정보

자료유형
학술저널
저자정보
Gu, Haoyuan (Department of Civil Engineering, Texas A&M University) Chen, Hamn-Ching (Zachry Department of Civil Engineering and Department of Ocean Engineering) Zhao, Linyue (Saipem America Inc.)
저널정보
테크노프레스 Ocean systems engineering Ocean systems engineering 제9권 제1호
발행연도
2019.1
수록면
21 - 42 (22page)

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In this paper, the Finite-Analytic Navier-Stokes (FANS) code is coupled with an in-house finite-element code to study the dynamic interaction between a floating buoy and its mooring system. Hydrodynamic loads on the buoy are predicted with the FANS module, in which Large Eddy Simulation (LES) is used as the turbulence model. The mooring lines are modeled based on a slender body theory. Their dynamic responses are simulated with a nonlinear finite element module, MOORING3D. The two modules are coupled by transferring the forces and displacements of the buoy and its mooring system at their connections through an interface module. A free-decay model test was used to calibrate the coupled method. In addition, to investigate the capability of the present coupled method, numerical simulations of two degree-of-freedom vortex-induced motion of a CALM buoy in uniform currents were performed. With the study it can be verified that accurate predictions of the motion responses and tension responses of the CALM buoy system can be made with the coupling CFD-FEM method.

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