大型散貨船極限強度分析.pdf

1、武漢理工大學(xué)碩士學(xué)位論文大型散貨船極限強度分析姓名：劉志會申請學(xué)位級別：碩士專業(yè)：工程力學(xué)指導(dǎo)教師：吳衛(wèi)國20060401武漢理工大學(xué)碩士學(xué)位論文AbstractInthemodernshipconstructiondesignresearchrealm，peoplepaymoreandmoreattentiontotheultimatestrengthofshiphullgirdersThisisbecausethattheperf色

2、ctconstructiondesigniscloselyassociatedwiththetruestrengthstoreoftheshipgirdersWiththestudyingonandresearchingfailuremechanismofthehull，whenresearchingthe10ngitudinalstrengthofshiphulls，thefailuremodesofbucklin島yieldinga

3、ndtheircombination，asweUasthenon一1inearinteractionsbetweenthepresseds仃ucturalmembersshouldbeconsideredTherearethreemainmethodsbyfar，nonlinearnniteelementmethod，idealizedstructuralunitmethoda11dprogressiVecollapseanalysis

4、methodThisarticleusenonlinearfiniteelementmethod，consideringthenon—lineafitybothinmate“alpIopertiesandingeome仃yofdeformationsTheworkloadinv01vedinthismethodisveryheavyandthemetllodneedmanyresourcebutreJativeaCCUrateWithg

5、reatdevelopmentsinmodernmechanics，computationalmathematicsandcomputertechnOlogyinhardwareandsoftware，finiteelementanalysishasmaderapidprogressinboththeoryandcomputationaltechnologyMoreandmoregeneraI—purposeorspecializedp

6、rogramshavebeeninuse，costsonperfbrmingFEAarereducedshapelyCurrently，F(xiàn)EAanditsprogramshavebecomethestandardtoolforengineeringdesignSomecalculationindicated，generalpurposeprogramscanforecastloadcarryingc印acityofaship’shull

7、accllratelyifwetakesumciemlyintOaccounteVerylOadandbOundarycombination，structureimperfbctionsandinitialstresses，togetherwithgeometricaIldmaterialnonlinearityInthisarticle，wehaveanalyzedtheultimatestrengthofFaulkner’sstif