机械结构设计外文文献翻译、中英文翻译、机械设计外文翻译

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1、2011届毕业设计外文翻译结构设计系、部：机械系学生姓名：李衍指导教师：康煜华职称副教授专业：机械设计制造及其自动化班级：机本0704班完成时间：2011年6月结构设计AugustineJ.Fredrich摘要：结构设计是选择材料和构件类型，大小和形状以安全有用的样式承担荷载。一般说来，结构设计暗指结构物如建筑物和桥或是可移动但有刚性外壳如船体和飞机框架的工厂稳定性。设计的移动时彼此相连的设备（连接件），一般被安排在机械设计领域。关键词：结构设计；结构分析；结构方案；工程要求Abstract:Structuredesignisthesele

2、ctionofmaterialsandmembertype,size,andconfigurationtocarryloadsinasafeandserviceablefashion.Ingeneral,structuraldesignimpliestheengineeringofstationaryobjectssuchasbuildingsandbridges,orobjectsthatmaybemobilebuthavearigidshapesuchasshiphullsandaircraftframes.Deviceswithpar

3、tsplannedtomovewithrelationtoeachother(linkages)aregenerallyassignedtotheareaofmechanical.Keywords:StructureDesign；Structuralanalysis；structuralscheme；ProjectrequirementsStructureDesignStructuraldesigninvolvedatleastfivedistinctphasesofwork:projectrequirements,materials,st

4、ructuralscheme,analysis,anddesign.Forunusualstructuresormaterialsasixphase,testing,shouldbeincluded.Thesephasesdonotproceedinarigidprogression,sincedifferentmaterialscanbemosteffectiveindifferentschemes,testingcanresultinchangetoadesign,andafinaldesignisoftenreachedbystart

5、ingwitharoughestimateddesign,thenloopingthroughseveralcyclesofanalysisandredesign.Often,severalalternativedesignswillprovequitecloseincost,strength,andserviceability.Thestructuralengineer,owner,orenduserwouldthenmakeaselectionbasedonotherconsiderations.Projectrequirements.

6、Beforestartingdesign,thestructuralengineermustdeterminethecriteriaforacceptableperformance.Theloadsorforcestoberesistedmustbeprovided.Forspecializedstructures,thismaybegivendirectly,aswhensupportingaknownpieceofmachinery,oracraneofknowncapacity.Forconventionalbuildings,bui

7、ldingscodesadoptedonamunicipal,county,or,statelevelprovideminimumdesignrequirementsforliveloads(occupantsandfurnishings,snowonroofs,andsoon).Theengineerwillcalculatedeadloads(structuralandknown,permanentinstallations)duringthedesignprocess.Forthestructuraltobeserviceableor

8、useful,deflectionsmustalsobekeptwithinlimits,sinceitispossibleforsafestructuraltobeuncomf