商務車車身結(jié)構(gòu)實驗分析研究.pdf

1、琶留掣分#號：—坐!!!!生自‰——$位代碼：—地簍里一侖肥工學夫HefeiUniversityofTechno警Iogy碩士學位論文MASTERDISSERTATIoN@論文題目：商務車車身結(jié)構(gòu)實驗分析研塞學位類別學歷碩士學科專業(yè)：(工程領(lǐng)域)奎煎王墨作者姓名導師姓名完成時間許力強伐壁越授———————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