河南科技大学工程力学专业英语

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1、equationsofcompatibilitycircularfrequencythecriticalloadstresswavesisotropicmaterialsconstitutiverelationsradiusofcurvature2.TranslatethesephrasesintoEnglish(20points)纯扭转弯矩横截面弹性模量应力－应变图刚体单位长度的扭转角极惯性距挠度曲线边界条件应力分量专业、班级姓名学号------------------------------密-----------------------------封---

2、------------------------线------------------------试卷︵A︶第1页︵共4页︶河南科技大学教务处河南科技大学2011至2012学年第1学期试卷课程专业英语（1）年级、专业工力091、2题号一二三四五六七八九十总分得分1．TranslatebelowphrasesintoChinese(20points)StressconcentrationfactorbulkmodulusSolutionofaboundaryvalueproblemStrainhardencompatibilityconditionsstressc

3、omponentsreferenceframesecond-orderpartialdifferentialequationsgeneralsolutionsandparticularsolutionsdampingforcesforcedvibrationsbeindependentofthepathofintegrationkineticenergy矢量和绝对值自由振动拉伸试验屈服应力悬臂梁惯性力应力状态3．TranslatebelowparagraphsintoChinese（1）Abarthatissubjectedtoforcesactingtrans

4、versetoitsaxisiscalledabeam.Thebeamshowninthefigure,withapinsupportedatoneendandarollersupportattheother,iscalledasimplysupportedbeam,orasimplebeam.Theessentialfeatureofasimplebeamisthatbothendsofthebeammayrotatefreelyduringbending,buttheycannottranslateinthelateraldirection.Also,one

5、endofthebeamcanmovefreelyintheaxialdirection.Thebeam,whichisbuilt-inorfixedatoneendandfreeattheotherend,iscalledacantileverbeam.Atthefixedsupportthebeamcanneitherrotatenortranslate,whileatthefreeenditmaydoboth.（15分）译文：专业、班级姓名学号--------------------------密-------------------------封----

6、--------------------------线------------------------------------试卷︵A︶第2页︵共4页︶河南科技大学教务处(2)Theplanarmotionofarigidbodyoccurswhenthepathofeachpointlieswhollyinaplane,withtheplanarpathsforallpointsinthebodybeingparalleltoeachother.Asimpleexampleisawheelmountedonarotatingshaft.theplaneofth

7、emotionofanypointinthatsystemisperpendiculartotheaxisoftheshaft.Therestrictiontoplanarmotionsubstantiallysimplifiesthekinematicaldescriptionincomparisontoageneralthree-dimensionalmotion.Oneoftheattributesofthissimplificationisthatitwillbepossibletodepictthemotionbymeansofaplanardiagr

8、am.Withoutlo