基于ANSYS-LS-DYNA的船舶與船閘閘門的撞擊力分析.pdf

1、河海大學(xué)碩士學(xué)位論文基于ANSYSLSDYNA的船舶與船閘閘門的撞擊力分析姓名：范凌峰申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：結(jié)構(gòu)工程指導(dǎo)教師：朱召泉20080301ABSTRACTWiththerapiddevelopmentofwatertransportationindustrytheaccidentofcollisionbetweenshipandlockgateoccuroccasionallyinthebusywaterwaywhichse

2、riouslythreatenthesafeoperationoflockgateSo，itisnecessarytOconsidertheshipimpactforceagainstlockgatewhendesigningitHoweverresearchontheshiplockgateimpactforceisrarehomeandabroadTherefore，theanalysisofship—lockgateimpactf

3、orceisworthstudyingfurtheranditisanimportantresearchtopicofpracticalvalueInthepaper，prescriptionsandempiricalformulasaboutshipimpactforceareintroduced，andbasictheoriesandkeytechnologyofthenumericalanalysisofshipcollision

4、aresummarizedThenumericalsimulationofthewholecollisionprocessbetweenshipandsimplestructures(1beamandpanel)iscarriedoutbyusingfiniteelementsoftwareANSYS／LS—DYNA，andthensimplifiedformulasofshipimpactforcearenumericallyregr

5、essedWiththenumericalsimulationofship—lockgatecollisionprocess，therationalityandfeasibilityofthesimplifiedformulaswhichareappliedtoship—lockgateimpactforcecalculationareverifiedAfteramended，ship—lockgateimpactforceformul

6、asareputforwardatlastBycomparingthecalculatingformulasofshipimpactforce，someconclusionsareobtained：Thecollidedstructuralstiffnessinfluenceonimpactforcehasnotbeenconsideredinpreviousshipimpactforceformulas，whiletheinfluen

7、ceofcollidedlockgatestructuralstiffnessisconsideredintheformulaswhichareregressedinthispaperGenerallytheresultofshipbridgeimpactforceformulasislargerthanthatofship—lockgateimpactforceformulasWhenthelockgateisimpactedbysm