Side Wall Effects on the Hydrodynamics of a Floating Body by ImageGreen Function Based on TEBEM-中国Betway体育网页登陆

摘要 AnovelnumericalmodelbasedontheimageGreenfunctionandfirst-orderTaylorexpansionboundaryelementmethod(TEBEM),whichcanimprovetheaccuracyofthehydrodynamicsimulationforthenon-smoothbody,wasdevelopedtocalculatethesidewalleffectsonfirst-ordermotionresponsesandsecond-orderdriftloadsuponoffshorestructuresinthewavetank.Thismodelwasconfirmedbycomparingittotheresultsfromexperimentsonhydrodynamiccoefficients,namelythefirst-ordermotionresponseandsecond-orderdriftloaduponahemisphere,prolatespheroid,andbox-shapedbargeinthewavetank.Then,thehydrodynamicsoftheKVLCC2modelwerealsocalculatedintwowavetankswithdifferentwidths.Itwasconcludedthatthismodelcanpredictthehydrodynamicsforoffshorestructureseffectively,andthesidewallhasasignificantimpactonthefirstorderquantitiesandsecond-orderdriftloads,whichsatisfiedtheresonantrule.

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Side Wall Effects on the Hydrodynamics of a Floating Body by ImageGreen Function Based on TEBEM

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