SolidWorks运动仿真培训.pptx

COSMOSMotion 运动仿真培训About this course关于本课程Prerequisites前提条件Course Design Philosophy课程设计原理Using this book本书使用方法A note about files配套光盘说明Conventions used in this book本书中采用的原理Class Introductions课程介绍Adv. ProfessionalDesignerProfessionalThermalNonlinearFatiguePost-dynamicsVibration BucklingDrop TestStaticOptimizationCOSMOSFloWorksFlow SimulationCOSMOSMotionCOSMOSEMSElectromagneticDesign Validation Products设计仿真产品COSMOSWorksWhat is Motion Simulation 什么是运动仿真?Study of moving systems or mechanisms运动系统或机构研究Motion of a system is determined by 运动系统定义：Mechanical joints connecting the parts 零件的机械连接The mass and inertia properties of the components 部件的质量和惯性特性Applied forces to the system (Dynamics) 系统的作用力（动力学）Driving motions (Motors or Actuators) 驱动运动（运动或致动器）Time 时间Mechanism types机构类型Kinematic System运动学系统Movement of part(s) under enforced or constrained motion 外加或强制运动下的部件动作Fully controlled and only one possible motion result irrespective of force and mass 不考虑力和质量的全约束和单一运动的结果Zero degree of freedom 零自由度Dynamic System动力学系统Movement of part(s) under free motion subject to forces 自由运动物体与力作用下的零件运动Partially controlled and infinite number of results depending on forces 依赖于力 的部分约束和无限数量的结果Greater than zero degrees of freedom 自由度数大于零Understanding Basics运动基础Mass and Inertia质量和惯性Newton’s First Law牛顿第一定律Conservation of momentum动力守恒Degrees of freedom自由度Rigid body刚性物体Grounded parts固定零件Moving parts运动零件Constraints约束Restrictions placed on a part’s movement in specific degrees of freedom 作用在零件运动上的特定自由度的限制Mechanical joints are connections that restrict the movement of one part to another机械关节是约束零件相互运动的连接Joint motion运动副Gravity重力Pendulum restrainedto pivot about mountingpointyxConstraint Mapping约束映射Mapping of SolidWorks assembly mates (constraints) to COSMOSMotion joints. 映射SolidWorks装配体配合（约束）为COSMOSMotion的运动副100+ ways of defining SolidWorks mates. 100多种定义SolidWorks配合的方法Basic constraint types are merged to simplified mechanical joints. 基础约束类型合并为简化的机械约束One Orthogonal Concentric mate in SolidWorks becomes a C