全承载式客车车身结构轻量化优化设计

《全承载式客车车身结构轻量化优化设计》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、江苏大学硕士学位论文AbstractWiththeincreasingofvehiclepopulmionandtherelativelagroadtraffic，seriousenvironmentalproblemssuchastrafficcongestionandemissionsweresoseriousthathasaffectedthepeople’Slivingenvironment．Savingresources，reducingenvironmentalpollutionhavebecometwomajorprob

2、lemstobesolvedinOurcountry．Accordingtostatistics，fuelconsumptionCanreduce6-8％whentheweightofacal"lighted10％．WithaViewtolong-termsustainabledevelopment，greentravelwasadvocated．Themissionoflightentheweightofthecal"andlowerfuelconsumptiontoreduceemissionspollutionwasSOurge

3、nt，andenergysavinghasbecomethecoreissueoftheautoindustrydevelopment．Developingnewlightweightcitybuswasoneofthefullystaffedways．Andit’Stheforefrontandhotspotincurrentresearchoftheautomotivetechnology．Toacoachbus，thebusbodyweightby40％to60％ofacoachbus’Stotalweight．Busbody’

4、SlightweightplaysanimportantroleinlightingthewholeCar．Baseonamodeloffullyintegralbusbodyframestructure，anewlightweightoptimizmionwasdesignedinthisarticle．Firstofall，ImportedBasedCADmodelintothehypermeshsoftware，simplifidtheofbusbodytructureandandhandledrelevantloadsacco

5、rdingtoactualengineeringexperienceandrelevantliterature．Finallyestablishedthefiniteelementmodel，andanalyzetheperformance．Secondly，maketopologyoptimizationtothebasicmodel，anddirectthedesignofthebodystrucrureaccordingtotheresults．Thenmakesizeoptimizationonthebasisofthestr

6、uctureaftertopologyoptimization．Determinethestructures’detaileddesignparametersaccordingtothesizeoptimizationresults，andfinallygetthelightweightbodystructureafteroptimizmion．Intheend．Analysisandcalculatetheperformanceoftheoptimizedfullmonocoquebodystructureunderconditio

7、nsoffourkindsofextreme，compairingtheperformanceofthefullmonocoquebeforeandafteroptimized，ExpectachievethegoaloflightweightoptimizationdesignandgetthelightweightbodyframestructureCallmeetthestructureperformance．III全承载式客车车身结构轻量化优化设计Keywords：Finiteelement，Fullyintegral，Top

8、ologyoptimization，lightweightIV江苏大学硕士学位论文目录第一章绪论⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯11．1选题的背景与意义⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯