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1、外文翻译-机械零件设计毕业设计（论文）译文题目名称:机械零件设计院系名称：机械与动力工程学院班级：机制04-2学号：0403010216学生姓名：刘伟指导教师：焦锋2008年5月DesignofMachineElements??（原文）Fundamentally,designistheprocessofproblemsolving.Problemsolvingisusedbyprofessionalsfrommanydiffcrcntfieldsinthenormalcourseoftheirwork・Inthischapter,wew
2、illlookatthedefinitionofdesignandhowitfitsintotheoveral1schemeofproblemsolving.Wewillalsolookattheprocessoneusesinimplementingadesigntask・Wewillthendiscussthecomputationaltoolsarehelpfultothedesignanalysisprocess・Finally,wewilltakeabrieflookatwhereonegoestoacquiretechnic
3、alinformationtoaugmentthedesignprocess.1-1PROBLEMSOLVINGANDDESIGNEngineeringisdefinedbyABETtheAccreditationBoardforEngineeringandTechnologyas:thatprofessioninwhichknowledgeofthemathematicalandnaturalsciencesgainedbystudy,experienceandpracticeisappliedwithjudgmenttodevelo
4、pwaystoutilize,economically,thematerialsandforcesofnatureforthebenefitofmankind.Whatdifferentiatcsengineeringfrommanyotherfieldsisthatitattemptstogofromtheoryintopracticeforthepurposeofdevelopingproductscindprocessesinsteadofmerelyobservingthephenomenaofthatscienceorart.
5、Forexample,aphysiciststudiesandrecordsfindingsinordertounderstandbettersomephenomenonorphysicalprocess.Ontheotherhand,anengineerutilizesscientificinformationtomakeaparticularprocessorproductforusebyconsumers.ABETfurtherdefinesthedesignportionofengineeringactivityasfollow
6、s:Engineeringdesignistheprocessofdevisingasystem,component,orprocesstomeetdesiredneeds.Itisadecision-makingprocessofteniterative,inwhichthebasicsciencesandmathematicsandengineeringsciencesareappliedtoconvertresourcesoptimallytomeetastatedobjective.Amongthefundamcntaiclcm
7、cntsofthedesignprocessaretheestablishmentofobjectivesandcriteria,synthesis,analysis,construction,testing,andevaluation.Theorganizationofproblemsolvingisahierarchicaldomain.OnewaytothinkofthisistoconsiderthenestedcirclesshowninFig.1-1below.Whatbecomesobviousfromthisdiagra
8、misthatmanysubfieldsareapeirtofthedomainofproblemsolving•Itiseasytothinkofproblemsolvingthatisnotdesign
