Evaluation of Hydrodynamic Coefficients of Ships Oscillating in A Numerical Wave

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Evaluation of Hydrodynamic Coefficients of Ships Oscillating in A Numerical Wave Tank水利论文o0Gcs-`

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x| lc6ow8^c0【摘要】:A technique for the evaluation of the hydrodynamic coefficients of ships is outlined for ship oscillating in a numerical wave tank, which is established on Computational Fluid Dynamics (CFD) theories. The numerical simulation of ship sections and bodies forced oscillating in the tank are carried out. The added mass and damping coefficients are obtained by the decomposition of the computational results, which agree well with the corresponding ones of potential theories.水利论文ToFbQ;^9F

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numerical wave tank; computational fluid dynamics; added mass; damping; ship motion水利论文&\/~vY:T6yI

2y'McR}1] f6{T e0【基金】:supported by the Key Programof the National Natural Science Foundation of China(GrantNo.50639020)水利论文Fml?D X vm t

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the National High Technology Research and Development Program of China(863 Program,Gtant No.2006AA09Z332)

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the Special Fund of State Key Laboratory of Ocean Engineering of China

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,S;V/T4Q'E!s0【分类号】:U661水利论文g[(sM{-L

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1.IntroductionAccurate evaluationof ship hydrodynamic coefficientsis one of the key problemsforthe predictionf ship hydrodynamic performancesin waves.Upto now,there are manytheoretical methodsto predicthip motions,such as strip theory,slender body theory

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