常見薄壁梁的穩(wěn)定性分析——吊車梁和箱梁的實例分析.pdf

1、武漢科技大學(xué)碩士學(xué)位論文常見薄壁梁的穩(wěn)定性分析－－吊車梁和箱梁的實例分析姓名：江詩貴申請學(xué)位級別：碩士專業(yè)：工程力學(xué)指導(dǎo)教師：磨季云20110509第1I頁武漢科技大學(xué)碩士學(xué)位論文AbstractThispaperintroducestheapplicationsoftwothinwalledstructurescommonlyusedinengineeringincludingshapedbeamandboxbeam，inordert

2、oanalyzeitsstabilityTIlispaperdescribessomebasiccharacteristicsofthinwalledstructuresAsthesizefeaturesofthinwalledsteelstructure，itsstrengthandstiffnessmeetstherequirementsintheengineeringapplications，SOthestabilityanaly

3、sisisbecominganimportantresearchtopicThePaperreferstothefieldofdomesticandinternationalengineeringresearchstatusofsomethinwalledstructures，includinganalysisofthebeamofdifferentexternalloadunderthecircumstances，suchasstat

4、icloadandcyclicloadAndthenthepapersystematicallydiscussesthetheoryoftwothin—walledsteelbeampopularlyinourcountryandcomparesthem，butfindsthatinsomecasestherearesomedifferencesAtthesametime，forei弘studyhasnotmadesomebreakin

5、gprogressThereforethefurtherstudyofthetheoryofthinwalledstructuresisnecessaryandthediscussioninthispaperisverymeaningfulAfterdescribingthestabilityanalysisandstabilitytheoryofthinwalledbeamsindetail，thisPaperanalyzesthes

6、trengthandstabilitycombinedwithtwoengineeringexamplesThepaperintroducesthinwalledbeamsbucklingundercraneapplicationswithalargedeformationfiniteelementnumericalmethod，andtestingthismethodisveryusefulintheothercomplexityth

7、inwalledbeamstructuresAndthePapercalculatesthestabilityofthinwalledbeamunderconcentratedloadsandeccentricloads，thenanalyzesthemillwalledsteelbeamsbendingandtorsionproblemsbythetheoreticalanalysisandnumericalsimulationmet

8、hodAtthesametimethepaperusesthismethodtoanalyzetheboxbeamswhichisdruminsomeplace，ThencomparestheexperimentaldataandfindsitsresultsisthesamebasicallyThatprovesthelargedeformationoffiniteelementnumericalmethodcallbasically

9、solvethestabilityofthinwalledbeamsoncemoreThispapersummarizesthefiniteelementmethodiseffectivenessofthinwalledbeams，byanalyzingstabilityoftwocommonthinwalledstructures，andInfersthismethodcanbeextendedtoothercomplexthin—w