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材料力学教学大纲(英文)MechanicsofMaterialCOUSE:MechanicsofMaterialACADEMICCREDIT/TIME:4/56EXPERIMENTSTIME:8MAJOR:civilengineeringⅠCOUSECONTENTANDOBJECTIVESCourseContentToday'ssocietygoesaboutonmanycivilengineeringworkssuchasroad,airport,harbor.Thesedamageanddestructionhavepossi...

材料力学教学大纲(英文)
MechanicsofMaterialCOUSE:MechanicsofMaterialACADEMICCREDIT/TIME:4/56EXPERIMENTSTIME:8MAJOR:civilengineeringⅠCOUSECONTENTANDOBJECTIVESCourseContentToday'ssocietygoesaboutonmanycivilengineeringworkssuchasroad,airport,harbor.Thesedamageanddestructionhavepossibilityofnotonlymanyhindrancestodailylife,containthedangerwhichkillmanyhumanlivesinthecitywherepopulationconcentrates.Weareadvancingtheresearchworksinordertocontributetothecreationofsafetyandcomfortablesociety,regardingthesafetyandfunctionalevaluationtechnologyofthematerialforcivilstructuresbycombiningnumericalanalysisandexperimentaltrial,andthediagnostictechniqueofinsidestateofthecivilstructures.FractureMechanismandRockMechanicsWhatistheessenceofthephenomenon;astructuredeteriorates,isdamagedandreachestodestruction?Asforthisphenomenonnotjustthecivilstructuresinmanycases,itisknownthatthephenomenonis"growthofminutefracture".Thestartingpointofthegrowthphenomenonoffractureisverysmallcomparedtothewholestructure.Forexample,peelingofadhesionoftheboundarybetweenthereinforcingandtheconcreteinthereinforcedconcrete,orfatiguecrackamongmetallicmaterialsaresuitabletothat.Theygrowupinthematerialorthecomponentastimepasses,andbecomefataldamagethreatenthefunctionalityandsafetyofthewholestructure.Ascanbeseeninthephotograph,arockmassinvolvescomplicatedmicrostructuresthatconsistofvariouskindsofrocksanddiscontinuities.Weneedtospecifythemechanicalpropertiesofsucharockmassindesigningstructuresconstructedin/onit,suchastunnel,largecavernforpowerhouseandrockslope,etc.Itisveryhard,however,toobtaintestspecimensincludingsufficientnumberofdiscontinuitiessoastoberegardedastherepresentativevolumeelementsoftherockmass,sincethesizesofdiscontinuitiescharacterizingthemicrostructuresaretoolarge.Theevaluationofthemechanicalpropertiesofarockmassisaformidabletaskthathaslongbeenbotheringpeoplewhoareengagedingeotechnicalengineering.Inordertogiveasolutiontothisproblem,wehavebeenstudyingaschemeofmulti-scaleanalysisbaseonamathematicalhomogenizationtheory.Theschemeisexpectedtoevaluatethemechanicalpropertiesofarockmassonlyfromthepropertiesofintactrocksandgraphicalinformationaboutthediscontinuities,whicharetheelementsofthemicrostructuresofarockmass.EvaluationofPhysicalBehaviorofMaterialsbyMultiscaleAnalysis"Evaluation"ofthewaysoffractureortheresidualstrengthisnoteasy,becausetheprocessofstructure'sdestructionisinteractionofthephenomenonwhichextremelysmalldefectcontrolsthebehaviorofthewholestructureasabove.Experimentaltestsortheoreticalanalysesarethemainstreamofthiskindofestimation,but,enormoustimeandcostarerequiredforthem.Inaddition,thereispossibilitythatthekeyphenomenonisunobservable.Theexpectationforthenumericalexperimentonthecomputerisincreasedforthesereasons.Themultiscaleanalysismethodwhichcanestimatesbothpartiesofphenomenon:microphenomenonandmacroitwiththeinteractionofthem,isstudiedinthislaboratory,andanalysiswhichdesignatesforevaluationofphysicalbehaviorofinhomogeousmaterial,forsimulationofdestructivephenomenonofthestructure,andsoon,arecarriedout.Thiskindofthemultiscaleanalyticaltechniquecanbecomethepowerfultoolforevaluatedestructivephenomenonofthestructurebymakingcouplewithvariousphysicalphenomena,suchasheatconduction,masstransferandthechemicalreactionetc.Itcanapplytonotonlymicroscopicstructureofthematerial,butalsothephenomenonofthevariousscaleslikeseismicanalysisofacitywithfinitestructures.UltrasonicDiagnosisofStructuresItissaidthatthelifecycleofthecivilstructureis50~100years.Today,morethan30yearshaspassedfromthehighgrowthperiodwhenmanycivilstructureswereconstructed,thesituationwheremanystructurescomesuptotheendoftheirlifecyclesimultaneously,isexpectedinhearfuture.Correspondenceofthesituationisimportanttopicofcivilengineeringthesedays.Becauseofthat,thetechnologyfor"evaluate"suchastograspedthecircumstanceofdeteriorationandthedamageofstructureswithaccuracy,andtogiveaadequateandreasonablejudgmentforenablement/disablementorneed/needlessnessofreinforcing.Evenwhennewcivilstructuresplansareplaned&designed,itisexpectedthattheevaluationtechniqueisimportantasatoolformaintenanceofintheirlonglifecycle.Asabove,hephenomenonofstructures'deterioratesis"growthofminutefracture".Ifwecanfindthesmallflawwhichbecomesstartingpointofgrowthphenomenonofthedestructionbyupgradedevaluationtechniques,itispossiblethatthegrowingprocessoffractureorwholeprocesscanbeevaluate.Weareadvancingtheresearchworkstheultrasonictestingtechniquewhereultrasonicpropagatedinthestructuresisusedtoevaluateinternalforabovepurpose.Especiallythetechniqueforwaveformprocessingbasedonwavemotionanalysis,methodsformaterialsthatconventionalultrasonictestcan'tapplyaredeveloped.Ourultimategoalistocreateadiagnosticimagingsystemforstructuressuchasusedinmedicalfield.MechanicsofMaterialsisanintroductorycoursetothefieldofstructuralengineering.Inparticular,thecoursedevelopsthetheorybehindthefundamentaltopicsofmechanicsofmaterialsanddemonstrateshowthistheoryisputintopracticetoanalyzeanddesignstructuralelements.Thiscourseisimmenselyusefulinit'sownright,andisafoundationtomanyadvancedtopicsthatallowengineerstodesignstructures,predictfailuresandunderstandthephysicalpropertiesofmaterials.MechanicsofMaterialsgivesthestudentbasictoolsforstress,strainandstrengthanalysis.Methodsfordeterminingthestresses,strainsanddeflectionsproducedbyappliedloadsarelearned.EngineeringdesignconceptsareintegratedintotheMechanicsofMaterialscourse.Thetopicscoveredinclude:,(1)axialforces,shearforcesandbendingmomentsinstaticallydeterminatebeams,(2)normalandcompoundstressesinbeams,(3)deflectionsofstaticallydeterminatebeams,(4)deflectionsandinternalstressesinstaticallyindeterminatebeams,(5)theprinciplesofstressandstrain(6)methodofsuperposition,(7)elasticcolumnbucklingand(8)shearstress,shearflowandshearcenter.CourseObjectivesStudentsareexpectedtobeableto(1)derivethefundamentalequationsthatgovernthebehaviorofbeamsandcolumns(2)computetheinternalaxialforces,shearforces,bendingmomentsandcorrespondingstressesactinginstaticallydeterminatebeams(3)computetheinternalstressesactingincompositeandbuilt-upbeams(4)computethedeflectedshapesofstaticallydeterminatebeams(5)applytheprincipleofsuperpositiontocomputethedeflectedshapeandinternalstressesinsimplestaticallyindeterminatebeams(6)computethebucklingloadsofcolumnswithvariousendconditions(7)determinetherequiredsizesofbeamsandcolumnstosupportprescribedsetsofloads(8)applytheproceduresdevelopedinthecoursetotheanalysisanddesignofsimplestructures.CourseOutcomesStudentsmustbeableto:1.Analyzeanddesignstructuralmemberssubjectedtotension,compression,torsionandbendingusingfundamentalconceptsofstress,strain,elasticbehaviorandinelasticbehavior.2.Conductthemselvesprofessionallyandwithregardtotheirresponsibilitiestosociety,especiallywithrespecttodesigningstructurestopreventfailure.3.Communicateeffectivelyviawrittendesignreports.ⅡCOUSECONTENT1.Demonstrateanunderstandingoftension,compressionandshearforcesandtheresultingdeflectionsandstrainsLearningobjectivesWhatyouwilllearnasyoumasterthecompetency:A.Demonstrateanunderstandingofstress,strainandmaterialproperties.B.Solveproblemsrelatedtoelasticity.C.Demonstrateanunderstandingofallowablestressesandloadsandbeabletoperformdesigncalculations.PerformanceStandardsCompetencewillbedemonstrated:OnassignedactivitiesOnwrittenexamsOnatwohourcumulativefinalexamPerformancewillbesatisfactorywhen:Youcanunderstandnormalstressesandstrainsandcanrelatetheirrelationshipstothemechanicalpropertiesofmaterials.Youcanunderstandlinearelasticity,Hoooke'slaw,andPoission'sratio.Youcanunderstandshearstressesandstrains.Youcanunderstandallowablestressesandloadsandrelevantdesigncalculations.2.Demonstrateanunderstandingofthestressesandresultingstrainsandbehaviorsofaxiallyloadedmembers.LearningobjectivesWhatyouwilllearnasyoumasterthecompetency:A.Demonstrateanunderstandingofuniformandnon-uniformbars,andthermaleffects.B.Demonstrateanunderstandingofstrainenergy,impactloading,andfatigue.PerformanceStandardsCompetencewillbedemonstrated:OnassignedactivitiesOnwrittenexamsOnatwohourcumulativefinalexamPerformancewillbesatisfactorywhen:Youcanunderstandchangesinlengthofaxiallyloadedmembers.Youcanunderstandstrainenergy,impactloading,andfatigue.3.Demonstrateanunderstandingoftorsionanddeformationsresultingfromtorsion.LearningobjectivesWhatyouwilllearnasyoumasterthecompetency:A.Demonstrateanunderstandingoftorsioninacircularbar.B.SolveproblemsrelatedtostressesandstrainsinpureshearusingEandG.C.Demonstrateanunderstandingofpowertransmissionbycircularshafts.PerformanceStandardsCompetencewillbedemonstrated:OnassignedactivitiesOnwrittenexamsOnatwohourcumulativefinalexamPerformancewillbesatisfactorywhen:Youcanunderstandtheconceptsofuniformandnon-uniformtorsion.Youcanunderstandstressesandstrainsinpureshear.Youcanunderstandtransmissionofpowerbycircularshafts.4.Demonstrateanunderstandingofshearforcesandbendingmoments.LearningobjectivesWhatyouwilllearnasyoumasterthecompetency:A.Demonstrateanunderstandingofbeams,loads,andreactions.B.Drawshearload,shearforce,andbendingmomentdiagrams.PerformanceStandardsCompetencewillbedemonstrated:DuringclassdiscussionsOnthepre/posttestOnquizzesandhomeworkPerformancewillbesatisfactorywhen:Youcanunderstandtypesofbeams,loads,andreactionsYoucanunderstandrelationshipsbetweenloads,shearforces,andbendingmoments.5.Demonstrateanunderstandingofstressesinbeamsanddesignofbeamsforbendingstresses.LearningobjectivesWhatyouwilllearnasyoumasterthecompetency:A.Demonstrateanunderstandingofpurebendingandnon-uniformbending.B.Demonstrateanunderstandingoftherelationshipsbetweenstressesandstrainsinbeams.C.Demonstrateanabilitytodesignbeamssubjecttobendingstresses.D.Demonstrateanabilitytodetermineshearstressesinbeamsofvariouscrosssections.PerformanceStandardsCompetencewillbedemonstrated:OnassignedactivitiesOnwrittenexamsOnatwohourcumulativefinalexamPerformancewillbesatisfactorywhen:Youcanunderstandpurebendingandnon-uniformbending.Youcanunderstandrelationshipsbetweenstressesandstrainsinbeams.Youcanunderstandtheprinciplesbehindbeamdesign.Youcanunderstandshearstressesinbeamsofvariouscrosssections.6.Demonstrateanunderstandingofdeflectionsofbeams.LearningobjectivesWhatyouwilllearnasyoumasterthecompetency:A.Demonstrateanunderstandingofthecalculationofdeflectionsbyintegratingthebendingmomentequationandshear-forceandloadequations.B.Demonstrateanunderstandingofdeflectionbythemethodsofsuperpositionandmoment-area.C.Demonstrateanunderstandingofthestrainenergyofbending.PerformanceStandardsCompetencewillbedemonstrated:OnassignedactivitiesOnwrittenexamsOnatwohourcumulativefinalexamPerformancewillbesatisfactorywhen:Youcanunderstandthecalculationofdeflectionsbyintegratingthebending-momentequationandshear-forceandloadequations.Youcanunderstanddeflectionbythemethodsofsuperpositionandmoment-area.Youcanunderstandthestrainenergyofbending.7.Demonstrateanunderstandingofanalysisofstressesandstrains.LearningobjectivesWhatyouwilllearnasyoumasterthecompetency:A.Demonstrateanunderstandingofplanestress,principalstresses,andmaximumshearstresses.B.DrawMohr'scircleforvariousproblemsanddemonstrateHooke'sLawforplanestrain.C.Demonstrateanunderstandingoftri-axialstress.D.Demonstrateanunderstandingofplanestrain.PerformanceStandardsCompetencewillbedemonstrated:OnassignedactivitiesOnwrittenexamsOnatwohourcumulativefinalexamPerformancewillbesatisfactorywhen:Youcanunderstandplanestress,principalstresses,andmaximumshearstresses.YoucanunderstandMohr'scircleandHooke'slawforPlanestress.Youcanunderstandtriaxialstress.Youcanunderstandplanestrain.8.Demonstrateanunderstandingoftheapplicationsofplanestresstopressurevessels,beams,andcombinedloadings.LearningobjectivesWhatyouwilllearnasyoumasterthecompetency:A.Demonstrateanunderstandingofstressesandstrainsinsphericalandcylindricalpressurevessels.B.Beabletocalculatemaximumstressesinbeams.C.Demonstrateanunderstandingoftheeffectsofcombinedloadings.PerformanceStandardsCompetencewillbedemonstrated:OnassignedactivitiesOnwrittenexamsOnatwohourcumulativefinalexamPerformancewillbesatisfactorywhen:Youcanunderstandstressesandstrainsinsphericalandcylindricalpressurevessels.Youcanunderstandmaximumstressesinbeams.Youcanunderstandtheeffectsofcombinedloadings.9.Demonstrateanunderstandingofthebehaviorsofcolumns.LearningobjectivesWhatyouwilllearnasyoumasterthecompetency:A.Demonstrateanunderstandingofbucklingandstability.B.Demonstrateanunderstandingofcolumnssupportedandloadedinvariousways.C.Demonstrateanunderstandingofelasticandinelasticcolumnbehavior.D.Demonstrateanunderstandingofdesignformulasforcolumns.PerformanceStandardsCompetencewillbedemonstrated:OnassignedactivitiesOnwrittenexamsOnatwohourcumulativefinalexamPerformancewillbesatisfactorywhen:Yourcanunderstandbucklingandstability.Youcanunderstandcolumnssupportedandloadedinvariousways.Youcanunderstandelasticandinelasticcolumnbehavior.Youcanunderstanddesignformulasforcolumns.ⅢTIMEARRANGEMENT1.introductionandbasicconcepts(2)2.axialloading(6)appendix.Formuladetermininggeometricpropertiesofcommonareatypes(2)3.torsion(6)4.bendingstresses(12)5.displacementsofbendingbeam(4)6.simplestaticallyindeterminateproblems(2)7.stressstateandtheoryofstrength(10)Midexam(2)8.combineddeformationandanalysisofconnections(4)9.stabilityofcolumn(4)review(2)experiments(8)ⅣEXPERIMENTREQUIREMENTSDesignprojectsandexperimentsdemonstratingmechanicsconceptsaretwowaysinwhichlearningcanbeenhancedinundergraduatemechanicscourses.StudentsinanAdvancedMechanicsofMaterialscourseareassignedadesignprojectinwhichtheycreatenewtable-topdemonstrationsandclassroomexperimentsfortheintroductorylevelMechanicsofMaterialscourse.Thedesignprojectinvolvethedevelopmentandconstructionofatable-topexperimentordemonstrationsuitableforinstructioninMechanicsofMaterials.Awrittenreport,includinginstructionsforuse,descriptionsofsuggestdemonstrationsandexperiments,andathoroughmechanicsanalysisofthedeviceconstructed,arerequired.GradingLabreports/worksheetsareworth100pointseach.Allreports/worksheetsaredue1weekaftertheexperimentiscompleted.SeetheRubricandyourmanualforformalreportguidelines.Pre-labsareworth5pointseach.Pre-labsareduebeforeyouconductyourlabexperiment.Youareexpectedtogooverthepre-labsasagroup.Yourinstructorwillcheckyourworkbeforeyoubegintheexperimnet.GradeScaleYourgradewillbebasedonthefollowing:formalreports50%,worksheets40%,pre-labsandparticipation10%. A>91% B->78% D+>65% A->88% C+>75% D>60% B+>85% C>70% F<60% B>80% C->68% Therewillbe4formalreports:TensionTest,TorsionTest,PureflexureTest,Flexure-torsionTest.Missingreportswillloweryourgradeby1/3ofalettergrade.Gradesforlabreportswillbelowered10%perperiodtheyarelate.Ifmorethan3periodslate,theywillnotbegraded.Ifyouwillmissalab,youmustinformyourinstructorbeforehandtorescheduleyourlab.Make-uplabsmustbecompletedbeforetheequipmentistorndown.Note:Anyhandwrittenmaterialmustbeneat.Sloppyorunreadableworkwillbereturnedwithoutagradetoberesubmitted.Eachexperimenttellsyouwhatequipmentyouwillneedtouse,providesexamplesofresultsandgivesatheoreticalbackgroundforthetopicbeingdiscussed.Youwillfindadetailedexplanationofthelabunder"Instruction",aworksheetforcalculationsunder"Worksheet",andtherequiredpre-laboratoryquestionsunder"Pre-lab".TENSIONTESTOBJECTIVES:(1)Obtainageneralunderstandingofhowdifferentmaterialsbehaveunderaxialtensileloading.(2)Determineandcomparematerialpropertiesofvariousmaterials.INTRODUCTION:Thisexperimentwillservetointroducethetestingequipmentandtestingprocedures.Forthefirstexperiment,a0.25-inchnominaldiameterlowcarbonsteelsamplewillbetestedtofailure.Loadversus-strainandload-versus-strokediagramswillbeproducedduringthetestandthesediagramswillsubsequentlybeusedtodeterminematerialproperties.Thestudentwilllearnhowtoproperlyconductatensiontestandobtainthematerialpropertiesfromtheresults.TORSIONOBJECTIVES:(1)Develop(shear)stress-straindiagramforthreematerialsintheelasticrange.(2)DeterminetheModulusofRigidityforthetestedmaterials.INTRODUCTION:Inthisexperiment,threesolidcylindricalspecimensofsteel,aluminum,andbrasswillbesubjectedtoatorsionalload.Fromtheappliedtorque,thestudentwillcalculatetheshearstressesatthespecimensurface.Fromstraingagesmountedonthespecimens,thestudentwillcalculatetheshearstrainpresentatgiventorquelevels.Basedonthesedeterminations,themodulusofrigiditywillbecalculatedforthethreematerialsandcomparedtoreferencevalues.FLEXUREOBJECTIVES:(1)Developaload-deflectiondiagramfromaflexuretestofwood.(2)Predictmaterialpropertiesbasedontheresultsfromtheexperiment.(3)Exploretheeffectsofthemomentofinertia,IINTRODUCTION:Inthisexperiment,beamsofthreetypesofwoodaretestedinflexuretofailure.Thedeflection,bendingstress,shearstressandfailuremodesassociatedwiththistypeofloadingareinvestigated.Beamsloadedinflexureareamongthemostcommontypeofengineeringstructuresinexistence.Examplesrangefromtreebranchestodivingboardstoairplanewings.Althoughsimpleinnature,suchbeamsdeveloprelativelycomplexstressdistributionsandmayfailinavarietyofmanners.COMBINATIONOFFLEXUREANDTORSIONOBJECTIVES:(1)Investigatethetheoreticalbeamrelationshipsforabeamloadedbyflexureandtorsion.(2)Investigatethestressesanddeflection.INTRODUCTION:Abeamistobeloadedinbendingandtorsion.Thestrains,centerdeflection,endrotationaremeasuredandcomparedtotheoreticallypredictedvalues.ⅤGRADINGHomeworkAssignments25%LabReports10%Midterm25%FinalExam40%Homeworkassignmentsandlaboratoryreportsaretobesubmittedatthebeginningofthelectureperiodonthedatedue.Latehomeworkandlaboratoryreportswillbepenalizedatarateof10%perdaylate.Homeworksubmittedafterthesolutionshavebeenprovidedwillnotbeaccepted.Themidtermandfinalexamwillbewritteninclass.Theformatwillbeverysimilartothehomeworkassignments,sosuccessfulcompletionofthehomeworkwillbeagoodindicatorofyoursuccessontheexams.Thefinalexamwillcoverallmaterialpresentedinthecourse.GradingScaleA90%-100%B80%-89%C70%-79%D60%-69%FBelow60%ⅥELSEAdditionalReferencesBeer,Johnston&DeWolf,MechanicsofMaterials,4thEdition,2006.TheSchaum'sOutlineonStaticsandMechanicsofMaterialsthatisbundledwiththetextisoptional.TherearenumerousMechanicsofMaterials(StrengthofMaterials)textbookswhereyoucanlookatalternativeexplanationsandadditionalexamples.YoushouldalsokeepyourStaticstexthandyforreference.CourseHomePagehttp://www.me.mtu.edu/http://www.engr.wisc.edu/ep/ema/courses/ema303.htmlhttp://www.elsevier.com/wps/find/journaldescription.cws_home/505659/description#descriptionhttp://www.efunda.com/formulae/solid_mechanics/mat_mechanics/stress.cfmhttp://www.me.mtu.edu/~mavable/Spring03/mom_slides.htmlhttp://www.maplesoft.com/products/thirdparty/mechanics/index.aspxhttp://www.efunda.com/formulae/solid_mechanics/mat_mechanics/hooke.cfmhttp://www.public.iastate.edu/~e_m.327/homepage.htmlhttp://www.mm.civil.tohoku.ac.jp/c-indexe.htmlself-learningstyleandreferencese-HandoutsLecturenoteswillbepostedonthecoursewebsite.Youshouldprintthesenotesforeachlectureandbringthemtoclass.Thesenoteswillbepostedonthecoursewebsiteatleastthedaybeforelectureisheld-usuallyearlier.Ifyouhaveproblemsaccessing,downloading,andviewingthesenotes,pleasenotifytheinstructors.Thesenotesarenotareplacementforattendinglecture,andtheyarenotareplacementforreadingthetextbook.Whilethereisoverlapbetweenallthree,theyaremeanttobecomplementary,andyouareresponsibleforlearningfromallthree.Forexample,youmaybeaskedanexamquestiononmaterialthatisONLYcoveredinthebook,andnotmentionedinthenotes,orinlecture.e-MailDistributionsListThereisane-maildistributionlistfortheclasswhichwillbeusedforannouncementsandreminders.Checkyoure-mailaccountonaregularbasis.ParticipationandAttendanceThiscoursewillbetaughtwithamixtureoflectureandstudentparticipation.Classparticipationandattendanceareexpectedofallstudents.Pleasereadthesectionsofthetextbookbeingcoveredintheclasspriortoclasstime.Itisexpectedthattheinstructor,teachingassistants,andstudentswillattendclassesandarrivetoclassontime.Attendanceofallclassesisexpected.Homework•YournameANDrecitationsectionnumbershouldappearonthefrontpage.•Eachhomeworkproblemmustbeginonaseparatepage(youmayusefrontandbackifdesired).•Allproblemsmustbeintheordertheywereassigned.•Foreachproblem:–Allformulasusedmustbeclearlystated.–Freebodydiagrams,ifapplicable,mustbeshown.–Appropriateunitsmustbeincludedinanswersandtheanswersmustbeexpressedwiththeappropriatenumberofsignificantdigits.AllhomeworkproblemswillbecollectedattheendoftheFridaylectureperiod.Absolutelynoworkingonhomeworkproblemsduringlecture.Assoonaspossibleaftercollection,solutionswillbepostedontheclasswebsite.Homeworkassignmentswillbereturnedduringthefollowingweek'srecitationsections.Latehomeworkisnotaccepted.DesignProjectsEngineeringdesignisanimportantpartofallengineeringfieldsanddesignconceptsareintegratedintotheMechanicsofMaterialscourse.Twodesignprojectswillbeassignedthissemester.Writtenreportswillberequired.Theseprojectsmayinvolvegroupwork.QuizzesTherewillbetwomidtermquizzesandonefinalquiz.Midtermquizzeswillbeconductedintheevening.Forstudentswithaconflict,eachmidtermquizwillalsobeofferedearlierintheafternoon-bypermission.Themidtermquizandfinalquizwillbeclosedbookandclosednotes,althoughaformulasheetwillbeprovided.Thefinalquizwillbecumulative.CourtesyDuringLecturesNoreadingnewspapers.Nosleeping.NoworkingonHW.Nowebsurfing,e-chatting,e-mail,etc.ConductTheinstructorandtheUniversityofWisconsinexpectthehigheststandardsofhonestyandintegrityintheacademicconductofitsstudents.AnystudentcaughtcheatinginthiscoursewillreceiveanFandthecasewillbereportedtotheDeanofStudents.Inlightofthis,itisimportanttounderstandtheallowablelevelofcollaborationinthisclass.Studentsareencouragedtodiscusshomeworkandcoursematerialwiththeinstructor,teachingassistants,andclassmates.However,thesubmittedhomeworksolutions,designprojectsandexamsmustinvolveonlytheindividualstudent'seffort.Ifadesignprojectinvolvesgroupwork,eachindividual'scontributionwillbeidentifiedontheassignment.GeneralGuidanceandAdvicefortheCourseWelcometoMechanicsofMaterials!Thisisafunbutalsoademandingclass.Youwillfindthatmostofyourengineeringclasseswillbeintenseanddemanding;butbecauseMechanicsofMaterialsisoneoftheearlierengineeringclassesinyourcurriculumyouwillfindthattheclassisalsochallengingbecauseyouarelearningtothinklikeanengineer.Bepreparedtoworkalotandlearnalot.Thepurposeoftheclassistoteachyouthebasicconceptsandmethodsinanalyzinghowmaterialsrespondtomechanicalloading–i.e.forces.Youseemanyexamplesofmechanicsineverydaylife–thedesignofsupportbeams,theinflationofaballoon,thefractureofbrittlematerials,thebendingofapaperclip,thebucklingofacompressedstraw,andtheunfortunatecollapseofbridgesandbuildingscanallbedescribedtovaryingdegreesbytheequationsandconceptsyouwilllearninthisclass.Whatyoulearninthisclassisdirectlyapplicabletothenaturalandengineeredstructuresinourworldandtheknowledgeyougainisessentialtounderstandingthesestructures,predictingtheirbehavior,anddevelopingsafeandusefuldesigns.Thekeytosuccessinthisclassisnotjusttotrytoplugnumbersintoequations.Youneedtounderstandtheassumptionsunderlyingtheequationswewilluse,andunderstandthemeaningofeachtermtheycontain.Theequationsarenotalwayscompletelyaccurateorappropriate:youmustbeabletounderstandthelimits,approximations,andidealizationsinvolved.Todothis,youmustlearntoidentifythenatureoftheproblemathand,andtovisualizetheloading(appliedforces)anddeformations(stretching,bending,twisting,etc.)thatoccur-inshort,wecallthis"modeling."Bythetimethiscourseisover,youwillhavelearnedagreatdealnotonlyaboutthematerialitself,butalsoabouthowtotackleopen-endedproblems,andhowtosolveproblemsandpresentyoursolutionsinaclearandconvincingmanner.Allofthiswillbeoftremendoususeinawiderangeofapplicationsasyoupursueacareerinengineering.Inthisclassyouwillbetreatednotjustasastudent,butasaprofessional.Intheprofessionalworld,thestakesarehigh,workisdonewithattentiontodetail,atthehighestlevelofqualitypossible.Requiredworkissubmittedontime.Creativityisencouraged.Teamworkandprofessionalismwithyourpeersisexpected.Andhonestyandintegrityarerequiredatalltimes.Successfulcompletionofthiscoursewillrequireyoutoparticipateinthefollowingactivitiesactivelyandregularly:completeassignedreadings,attendlecturesandrecitations,submitcompletedhomeworkanddesignproblemswhentheyaredue,andpassallexams.Lectureswillcovergeneraltopics,butlecturesandreadingmaterialaremeanttocomplementeachotherratherthanrepeateachother.Thus,attendanceiscriticalandyouareresponsibleforalltopicscoveredinthesyllabus.Keystosuccessinclude:•Readingthetextbookandothersources–preferablybeforeyoucometolecture•Attendandactivelylisteninlectureanddiscussion.•Discussthematerialwithyourclassmates,teachingassistantsandinstructor–askquestionsinclassandutilizetheofficehoursprovided.•Learnfromthehomeworkproblemsassigned–reviewthesolutionsaftertheyareposted.•Relatewhatyouarelearninginclasstotheworldaroundyou.Lookatbuildings,structures,devices,mechanisms.Thinkaboutthemechanicsconceptsatwork.
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