摘要
Loalflexibilityoftubularjointshasimportanteffectonthestaticanddynamicbehaviourofoffshoreplatforms,therefore,thedeterminationofitbecomesanimportantresearchsubjectinthefieldofoffshoreengineering.Inthispaper,thelocalflexibilityofTY-typetubularjoints,whicharewidelyusedinoffshoreplatforms,iscalculatedbyusingsemi-analyticalmethod.Basedonthecalculatedresults,parametricformulaeforevaluatingelementinthelocaljointflexibilitymatrixofTY-typetubularjointsarederivedbyregression.AtestonPVCmodelsofTY-typetubularjointstomeasurethelocaljointflexibilityisalsoreported.Acomparisonoftheresultscalculatedfromtheparametricformulaepresentedinthispaperwiththosemeasuredfromthemodeltestshowsthattheparametricformulaearereliable.Itisrecommendedthattheseformulaebeusedintheglobalstructuralanalysisofoffshoreplatforms.
出版日期
1996年01月11日（中国期刊网平台首次上网日期，不代表论文的发表时间）
