Dynamic Characteristic of Damaged Ship Structures Considering the Warping Deformations

(整期优先)网络出版时间:2002-01-11
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Forsomelargelydamagedships,theconventionalmethodsareunadaptabletoestimatetheirdynamiccharacteristicsastoshipswithsymmetricalhullsection.Basedondryhullmodalanalysisofflexure-torsioncouplingvibrationofunsymmetricalshipstructuresaboutlongitudinalcenterline,atransfermatrixmethodtocalculatethedynamiccharacteristicsispresented.Takenbothsheareffectandwarpingdeformationsintoaccount,thepointandfieldtransfermatricesarederived,andtheinflu-