adams電子教程adams2012培訓(xùn)用的英文版

1、SECTION 10JOINT MOTION AND FUNCTIONSWHAT IS IN THIS SECTIONApplying MotionJoint MotionFunctions in AdamsAPPLYING MOTIONAdams/View provides two types of motionsJoint motionPoint motionJoint motionThere are two types:Translational: applied to translational or cylindrical joints (removes 1 DOF).Rotatio

2、nal: applied to revolute or cylindrical joints (removes 1 DOF).You define the joint to which motion is applied.Adams automatically uses the joints I and J markers, bodies, and single DOF.You define function for magnitude.Questions: How does a motion remove DOF? Does this mean that a motion is consid

3、ered a constraint?JOINT MOTIONMarker usage in joint motionsThe I and J markers (and, therefore, the parts to which they belong) referenced in the joint move with respect to each other as follows:JOINT MOTION (CONT.)The I and J markers overlap when motion t = 0.During simulation, the z-axes of both m

4、arkers are aligned.You can define motion magnitude as a:DisplacementVelocityAcceleration function of timeFUNCTIONS IN ADAMSDefinition of functions in AdamsYou use functions to define magnitudes of input vectors used in:Motion driversApplied forcesFunctions can depend on time or other system states s

5、uch as displacement, velocity, and reaction forces.Every function evaluates to a single value at each particular point in time.Motion drivers can only be a function of time:M = f(time)Functions defining motion driver magnitudes can be:Displacement (time)Velocity (time)Acceleration (time)FUNCTIONS IN ADAMS (CONT.)Note: You can use the Function Builder to create and verify functions in Adams/View. To access the Function Builder, right-click any text box that expects