Numerical Simulation of Diffraction Problems of Moving Vessels in Numerical Wave Tank

Abstract

Abstract: Numerical simulations of diffraction problem of WrigleyIII advancing with certain forward speeds were carried out in the numerical wave tank (NWT), which is established based on computational fluid dynamics(CFD) method. Regular waves making and propagation were simulated and verified in a reference coordinate system. Wave forces of the retrained WigleyIII advancing in both heading and oblique waves were computed respectively in NWT. Comparison of the present results, the corresponding ones of potential flow theories and experimental one from Delft University of Technology, was made. It shows they agree well each other. The proposed method is of great significance to further analyze and predict hydrodynamic performance of ship and marine floating structures in waves.

Key words: numerical wave tank（NWK）, diffraction problem, computational fluid dynamics（CFD）, wave force

CLC Number:

U 661.1

FANG Zhao-Zhao-1, 2 , ZHU Ren-Chuan-1, MIAO Guo-Ping-1, GONG Cheng-1. Numerical Simulation of Diffraction Problems of Moving Vessels in Numerical Wave Tank[J]. Journal of Shanghai Jiaotong University, 2012, 46(08): 1203-1209.

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