简介:Differentfromthetraditionalone-dimensionalextremevaluestatisticalmethod,practicaldesigncriteriafornearshorestructuredesignarepresentedbasedonjointprobabilitytheoryinthispaper.Theproposedprocedureconsidersthecombinedeffectoftidelevel,hugewavesandwindaffectingcoastalstructures.TheImportanceSamplingProcedure(ISP)isutilizedtosolvethejointdistributionofnon-Gaussiancorrelatedmultivariatedistributions.ThecalculationresultsshowthattheISPisasimulatingtechniquewiththeadvantagesofefficiencyandhighconvergency.Finallytheenvironmentalconditionsaregivenusingthistechniquefornear-shorestructuredesignintheQingdaoarea.