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Calculation of RAO of Ship Motions in Regular Head Waves Based on CFD

YANG Bo, SHI Ai-guo, WU Ming(Dalian Naval Academy,Dalian 116018,China)  
The numerical method to simulate ship’s motion in head regular waves is proposed based on Computational Fluid Dynamics method.Wave boundary method is adopted to generate precise three-dimensional regular waves,and DTMB 5512 ship model’s coupled pitch and heave motion is simulated in two regular waves of different wave height.The response amplitude operators(RAO) are calculated based on the simulation results.The simulation results and RAO show good agreement with results of tank tests.
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