海洋工程柔性構件分析方法研究.pdf

1、分類號：——UDC：——工學碩士學位論文海洋工程柔性構件分析方法研究碩士研究生：邵啟會指導教師：任慧龍教授學位級別：工學碩士學科、專業(yè)：船舶與海洋結構物設計制造所在單位：船舶工程學院論文提交日期：2008年3月論文答辯日期：2008年3月學位授予單位：哈爾濱工程大學㈣的二燃二竺一密編哈爾濱工程大學碩士學位論文ABSTRACTMooringcables，risersandtensionlegs，etc，allbelongtotheflex

2、iblecomponentsofoffshorestructuresbasedontheircharacteristicToresearchanalysismethodsofthesestructuresareverysignificantforreasonabledesignofthemooringsystemandensuringtheplatformsworkingandsafetyTherefore，theappropriate

3、calculationmethodsforstaticanalysisanddynamicresponseoftheflexiblecomponentsofoffshorestructureshavebeenstudiedinthisthesis，includinganalysisofcouplecalculationintimedomainFirstlymakefurthercalculationofthecatenaryequati

4、onAcalculationmodelbyconnectingtwosegmentsofcatenaryequationshasbeendevelopedtocomputinginitialdeformationoffloatinghawsersandmooringchainsofthesinglepointmooringsystemAccordingtotheresearchaprogramhasbeencompiledthatiss

5、uitableforcalculatingtheinitialpositionandpretensionofflexiblestructuresAdditionallythenonlineardynamicresponseoftheflexiblecomponentshasbeenstudiedandsimulatedAthreedimensionalelasticrodtheoryisadoptedtesearchnonlinearf

6、initeelementmodelofthelargedeformationofspacethree—dimensionalflexiblestructures，aswellasthetimedomainanalysisAtlast，thenonlinearcoupledresponseofthefloatingstructureandmooringsystemhasbeenresearchedThefloatingstructurei

7、smodeledasrigidbodywitllsixdegreeoffreedom，andthemooringlinedynamicsismodeledusingrodtheoryandfiniteelementmethod動econnectionsbetweenmooringlinesandplatformaremodeledaslinearandrotationalspringsanddampersrnletime—domainc

8、oupledanalysisofthesinglepointmooringsystemwhichisparkedatKarachiporthasbeendoneusingHARPprogrambasedonresearchresultsandrealityoceanicconditionsKeywords：Flexiblestructures；Staticanalysis；Slenderrodtheory；Nonlineardynami