英语小组作业第一组机机电学院课件.ppt

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1、TypicalmodelofIntroductioninOurMajorArmamentScienceandTechnologySchoolofMechatronicalEngineeringBeijingInstituteofTechnologyMembers:YANGHui/YANGKun/LIDongZHANGXiaomin/CHENFengyunContentsGeneralFunctionsoftheIntroduction1Swales’modelandYeYunping’smodel2TypicalmodelofOurMajor3Sample4GeneralFunc

2、tionsoftheIntroductionSwales’modelYeYunping’smodelYeYunping(叶云屏)statedinherbookwritingtheIntroductionusuallyinvolvesthefollowingfouraspects:1.Introducingthegeneralresearchareaincludingitsbackground,importance,andpresentlevelofdevelopment…Reviewingpreviousresearchinthisarea…YeYunping’smodelIndi

3、catingtheproblemthathasnotbeensolvedbypreviousresearch,raisingarelevantquestion…Specifyingthepurposeofyourresearch…1)Announcingyourmajorfindings…2)Outliningthecontentsofyourpaper…TypicalmodelofOurMajorSampleNumericalSimulationsofNon-sphericalBubbleCollapseDivisionofEngineeringandAppliedScience

4、,CaliforniaInstituteofTechnology,Pasadena,CA91125,USAJohnsenE,ColoniusT.Numericalsimulationsofnon-sphericalbubblecollapse[J].Journaloffluidmechanics,2009,629(1):231-262.SampleParagraphone:IntroducingthegeneralresearchareaCavitationoccursinawiderangeofhydraulicapplications,suchasturbomachinery,

5、navalstructures,biomedicalultrasoundandshockwavelithotripsy,andmaterialsprocessingandcleaning.Thestructuraldamagecausedbybubblecollapsetonearbysurfacesisanimportantconsequenceofcavitation.Erosionhaslongbeenattributedtothereleaseofshockwavesuponcollapse(Rayleigh1917;Hickling&Plesset1964).Thepre

6、senceofaneighbouringsurfacegivesrisetonon-sphericalbubblecollapse,asexemplifiedbytheformationofare-entrantjetdirectedtowardsthesurface(Kornfeld&Suvorov1944;Benjamin&Ellis1966).SampleParagraphone:IntroducingthegeneralresearchareaSimilarly,interactionsbetweenshockwavesandgasinhomogeneitiessuchas

7、bubblesleadtotheformationofare-entrantjet(Haas&Sturtevant1987;Bourne&Field1992).Thewater-hammerpressureassociatedwiththejetimpactonthedistalsideofthebubbleordirectlyonthesolidsurfacehasalsobeenregardedasapotentialdamagemechanism(Plesset