SolidWorks运动仿真教程

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1、COSMOSMotion运动仿真培训COSMOSMotion2008ImagecourtesyofNationalOpticalAstronomyObservatory,operatedbytheAssociationofUniversitiesforResearchinAstronomy,undercooperativeagreementwiththeNationalScienceFoundation.Aboutthiscourse关于本课程Prerequisites前提条件CourseDesignPhilosophy课程设计原理Usingthisbook本书使用方

2、法Anoteaboutfiles配套光盘说明Conventionsusedinthisbook本书中采用的原理ClassIntroductions课程介绍©2007SolidWorksCorp.Confidential.2DesignValidationProducts设计仿真产品COSMOSWorksAdv.ProfessionalProfessionalCOSMOSFloWorksDesignerFlowSimulationVibrationThermalDropTestNonlinearStatic&BucklingCOSMOSEMSCOSMOSEMSFatig

3、ueOptimizationCOSMOSMotionPost-dynamicsElectromagnetic©2007SolidWorksCorp.Confidential.3WhatisMotionSimulation什么是运动仿真?Studyofmovingsystemsormechanisms运动系统或机构研究Motionofasystemisdeterminedby运动系统定义：–Mechanicaljointsconnectingtheparts零件的机械连接–Themassandinertiapropertiesofthecomponents部件的质量和惯

4、性特性–Appliedforcestothesystem(Dynamics)系统的作用力（动力学）–Drivingmotions(MotorsorActuators)驱动运动（运动或致动器）–Time时间©2007SolidWorksCorp.Confidential.4Mechanismtypes机构类型KinematicSystem运动学系统–Movementofpart(s)underenforcedorconstrainedmotion外加或强制运动下的部件动作–Fullycontrolledandonlyonepossiblemotionresultirresp

5、ectiveofforceandmass不考虑力和质量的全约束和单一运动的结果–Zerodegreeoffreedom零自由度DynamicSystem动力学系统–Movementofpart(s)underfreemotionsubjecttoforces自由运动物体与力作用下的零件运动–Partiallycontrolledandinfinitenumberofresultsdependingonforces依赖于力的部分约束和无限数量的结果–Greaterthanzerodegreesoffreedom自由度数大于零©2007SolidWorksCorp.Confi

6、dential.5UnderstandingBasics运动基础MassandInertia质量和惯性–Newton’sFirstLaw牛顿第一定律–Conservationofmomentum动力守恒Degreesoffreedom自由度–Rigidbody刚性物体–Groundedparts固定零件–Movingparts运动零件Constraints约束–Restrictionsplacedonapart’smovementinspecificdegreesoffreedomPendulumrestrainedytopivotaboutmounting作用在零件

7、运动上的特定自由度的限制point–Mechanicaljointsareconnectionsthatrestrictthemovementofoneparttoanotherx–机械关节是约束零件相互运动的连接Jointmotion运动副Gravity重力©2007SolidWorksCorp.Confidential.6ConstraintMapping约束映射MappingofSolidWorksassemblymates(constraints)toCOSMOSMotionjoints.映射Soli