基于CATIA软件的车身造型设计

西安航空学院本科毕业设计（论文）___________________________________________________________________________________西安航空学院本科毕业设计（论文）题目：基于CATIA软件的车身造型设计学院：车辆工程学院专业：交通运输（汽车运用工程方向）学号：1240701160920学生姓名：赵洋指导教师：刘旭娟2016年4月30基于CATIA软件的车身造型设计西安航空学院本科毕业设计（论文）___________________________________________________________________________________摘要：在汽车工业超过数百年的发展历史中，往往其车身造型设计最具特色、沿袭着一代代经典的传承。汽车作为一种商品，和消费者联系最为紧密，汽车最能直观与消费者互动的莫过于车身外形了。随着年轻消费者的与日俱增，爱上一款车的容颜，才会去了解汽车内饰、动力性能、燃油经济性能等内在配置的可能性大大加强。如今，汽车车身造型设计已经朝着消费者亲睐的方向前进，越来越细致的布局划分也渐渐迎合着各阶层消费者的审美。汽车车身的研发设计水平代表了企业的核心技术环节，它是汽车企业的生命力之源，立足长远之核心。运用三维车身设计软件已经成为现代汽车车身造型的显著特点。打开CATIA软件的SketckTracer模块，导入汽车三视图。打开freestyle模块，用3D曲线构造对应车身的三维轮廓线，在创成式曲面设计模块中，用曲面桥接、曲面填充、曲面扫掠等命令绘制曲面。在Imagine&shape中用sphere命令制作奥迪车标和进气格栅，在机械零部件设计中用凸台命令进行轮胎的绘制。最后，利用倒角、圆角、分割、修剪等功能，完成车身造型后统一应用材料并渲染。关键词：三视图；填充；桥接曲面；IMABodydesignbasedonCATIAsoftware西安航空学院本科毕业设计（论文）___________________________________________________________________________________Abstract:Duringtheautomotiveindustrymorethanafewhundredyearsofdevelopmenthistory,whichisoftenthemostuniquebodydesign,followedtheclassictraditionfromgenerationtogeneration.Carsasacommodity,andtheconsumerismostcloselylinked,mostcarintuitiveinteractionwithconsumersthantheshapeofthebody.Withthegrowingyoungconsumers,fellinlovewiththefaceofacar,onlytofindoutthepossibilityoftheinternalconfigurationofthecarinterior,dynamicperformance,fueleconomy,performanceisgreatlyenhanced.Today,autobodydesignhasbeenmovingconsumerpro-gazedirection,moredetailedlayoutdividedgraduallycatertoallsegmentsoftheconsumeraesthetic.TheR&Dlevelofautomobilebodyrepresentsthecompany'scoretechnicalaspects,itisthesourceofthevitalityoftheautocompanies,basedonalong-termcore.Theuseofthree-dimensionalbodydesignsoftwarehasbecomeasignificantfeatureofmodernautomotivestyling.PutexistingcarthreeviewsintoCATIAsoftwareSketckTracermodules:Using3DCurveconstructcorrespondingthecontourtoobtainathree-dimensionalcontoursofthebodyinfreestylemodule.Thenbacktogenerativesurfacedesign,usecurvedbridge,filling,sweepcommandsfacetsandmakesurfacetrimming,smoothing.UsingthespherecommandmakestandardandgrilleofAudiinImagine&shapemodule,usingthebosscommandstodrawthetireinthedesignofmechanicalparts.Finally,usethechamfers,fillets,split,trimandotherfunctions,afterthestylingapplymaterialandthenrender.Keywords:Three-view;fill;Sweep;blend;IMA西安航空学院本科毕业设计（论文）___________________________________________________________________________________1目录1绪论.............................................................................................................................................................11.1汽车车身造型的发展史...................................................................................................................11.2汽车车身造型设计在研发中的地位...............................................................................................11.2.1出色的车身设计助力吉利开创新时代........................................................................................11.2.2丰田普锐斯的风阻系数与车身设计............................................................................................11.3汽车造型的发展趋势.......................................................................................................................21.3.1车身外部造型设计................................................................................................................21.3.2车身内部设计从“舒适”到“愉快”.........................................................................................21.4课题的来源背景及研究目的、内容...............................................................................................31.4.1所选课题的题目背景............................................................................................................31.4.2课题的研究目的、意义........................................................................................................31.4.3课题的研究内容和研究方法................................................................................................32CATIA软件介绍.........................................................................................................................................52.1CATIA软件简介...............................................................................................................................52.1.1CATIA软件的发展历史........................................................................................................52.1.2CATIAV5软件在汽车工业上的应用..................................................................................52.2CATIA软件功能介绍......................................................................................................................52.2.1CATIAV5R20功能模块简介................................................................................................52.2.2基于CATIA车身造型设计功能模块分类..........................................................................73奥迪A5三维造型设计...............................................................................................................................93.1奥迪A5图解.....................................................................................................