SolidWorks Motion运动仿真教程.ppt

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1、ImagecourtesyofNationalOpticalAstronomyObservatory,operatedbytheAssociationofUniversitiesforResearchinAstronomy,undercooperativeagreementwiththeNationalScienceFoundation.Motion运动仿真培训Aboutthiscourse关于本课程Prerequisites前提条件CourseDesignPhilosophy课程设计原理Usingthisbook本书使用方法Anoteaboutfiles配套光盘说明Conve

2、ntionsusedinthisbook本书中采用的原理ClassIntroductions课程介绍2©2007SolidWorksCorp.Confidential.COSMOSWorksAdv.ProfessionalProfessionalDesignValidationProducts设计仿真产品DesignerStaticVibration&BucklingThermalDropTestFatigueNonlinearPost-dynamicsCOSMOSEMSElectromagneticCOSMOSMotionCOSMOSFloWorksFlowSimulatio

3、nOptimization3©2007SolidWorksCorp.Confidential.WhatisMotionSimulation什么是运动仿真?4©2007SolidWorksCorp.Confidential.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部件的质量和惯性特性Appliedfor

4、cestothesystem(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Mechanismtypes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Fullycontrolledandonlyonepossiblemotionresultirrespectiveofforceandmass不考虑力和质量的全约束和单一运动的结果Zerodegreeoffree

5、dom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自由度数大于零5©2007SolidWorksCorp.Confidential.UnderstandingBasics运动基础MassandInertia质量和惯性Newton’sFir

6、stLaw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’smovementinspecificdegreesoffreedom作用在零件运动上的特定自由度的限制Mechanicaljointsareconnectionsthatrestrictthemovementofoneparttoanother–机械关节是约束零件相互运动的连接Jointmotion运

7、动副Gravity重力xyPendulumrestrainedtopivotaboutmountingpoint6©2007SolidWorksCorp.Confidential.7©2–007S一olidW个orksC点orp.对Confid点entia重l.MappingofSolidWorksassemblymates(constraints)toCOSMOSMotionjoints.映射SolidWorks装配体配合（约束）为COSMOSMotion的运动副100+waysofdef