商務(wù)車車身結(jié)構(gòu)實(shí)驗(yàn)分析研究.pdf

1、琶留掣分#號(hào)：—坐!!!!生自‰——$位代碼：—地簍里一侖肥工學(xué)夫HefeiUniversityofTechno警Iogy碩士學(xué)位論文MASTERDISSERTATIoN@論文題目：商務(wù)車車身結(jié)構(gòu)實(shí)驗(yàn)分析研塞學(xué)位類別學(xué)歷碩士學(xué)科專業(yè)：(工程領(lǐng)域)奎煎王墨作者姓名導(dǎo)師姓名完成時(shí)間許力強(qiáng)伐壁越授———————量笪己星呈且————一StructralResearchandAnalysisofMPVBodyinwhiteBasedonModal

2、TestingAbstractCAEtechnology，representativelyFEAmethod，playsamoreandmoreimportantroleinthedesignofmodemcarproductsalongwiththedevelopmentofcomputertechnologyandnumericalcalculationtheoryAdoptingtheFEAtechnologytoinvestig

3、atethemechanicalperformanceoftheMPVbodyisprevailinginmodemdesignofcarbodywhichcatchespeople’sattentionmoreandmoreandhasgreatachievementsinthedomaindomesticallyandoverseaBasedontheinvestigationoftherelateddomesticandovers

4、easresearchinthisfield。thefiniteelementmodelofaMPVbodyinwhiteisestablished，staticstiffnessandmodalanalysiswerecarriedonAccordinglythestaticstiffnessandmodaltestinghadbeenfinishedResuitscomparisonbetweenthetestingandanaly

5、sisrevealedthestructralcapabilitesandverifiedthefinitemodel’scorrectnessInthispapertheestablishmentprincipleofmodeexperimentmodelandestablishmentmethodoftestsystemwasilluminatedtroughstudyingthebodyinwhiteofaMPVAndmodepa

6、rameteridentificationwascarriedouttothedataconnectedConfigurationdynamicfeatureofthiswhitebodywasseizedThebending，torsionandmodeexperimentsofthiswhitebodywerecarriedonAndthetheoryanalysiswasverifiedtomakesuretheaccuracyo

7、fthetheoryanalysisInthispapertheanalysisofexperimentresultsindicatedthattheestablishmentofthetestsystemmetthedemandofprecisionandtheresultofparameteridentificationwasefficientandcredibleThisWaSveryusefulforthesensitivity