基于有限元的結(jié)構(gòu)可靠性分析與設(shè)計(jì).pdf

1、武漢理工大學(xué)碩士學(xué)位論文基于有限元的結(jié)構(gòu)可靠性分析與設(shè)計(jì)姓名：劉李申請學(xué)位級別：碩士專業(yè)：機(jī)械設(shè)計(jì)及理論指導(dǎo)教師：趙章焰；唐智奮201105武漢理工大學(xué)碩士學(xué)位論文AbstractAsthedevelopmentofthetechnologytraditionalsafetyfactordesignCallnotmeettheneedinengineeringThemodernprobabilityofreliabilitydesign

2、whichbaseontheprobabilitytheoryandmathematicalstatisticsbecomethetrendofdevelopmentAsthemetalstructureiscomplicated，whendesigningwithprobabilityofreliabi—lity，wecailusethestochasticfiniteelementmethodandprobabilityofreli

3、abilitytheorywhichCaneaeulatethefailureprobabilityandreliabilityItmakesuptheimperfectionofdesigningThearticleintroducestheprobabilityofreliabilitymethodbaseonthestochasticfinitedement，andanalysethereliabilityofbeamoftheg

4、antrycraneusingthePDSmodulesinANSYSFirst，thearticleintroducedthereliabilitytheoryofthecurrentsituationandthepastathomeandabroad、theexistingproblemandthebasiccontentoftheprobab—ilityofreliabilitydesignbaseonthedocument，an

5、dthenbriefprovideinformationofthebasismethodofprobabilityofreliabilitydesignIthasrandomsamplingmethod、analyticmethod、mixingmethod、SFEM，andanalyticmethodincludesimmediateintegrationmethod、firstordersecondmoment、responsesu

6、rfacemethodologyandimproveddistributionnK：anmethodAlsoIsummarizethefeaturesanddefectsofallthemethodinadditiontotheusingsituationIfocusonthekeypointtoSFEM、presentationofrandomfieldandtherelevantcontentoffiduciarylevelItse

7、tatheoryasefortheanalyseofprobabilityofreliabilityAtlast，intheengineeringpracticalapplicationthearticlesetoutfromthesafetyevaluationofthemetalstructureofgantrycrane，analyingtheprobabilityofreliabilitYofthebeamofthegantry

8、cianewimMonteCarlotechnologybaseonthecurrentprobabilityofreliabilitytheoryandmethod，consideringalltheuncertainfactorsofthegantrycraneduringtheworkingperiod，andprovetheeasibilityandpracticabilityofanalysingthereliabilityi