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12.8.?Example Rigid-Body Dynamic Analysis This example analysis demonstrates how to model a flexible component in Mechanical APDL and then export the flexible body information to a file for use in ADAMS. The example also provides brief instructions on how to perform the rigid-body dynamic analysis in ADAMS, and details on how to transfer the loads from ADAMS to Mechanical APDL in order to perform a stress analysis. 12.8。例子刚体动力学分析这个例子演示了如何分析模型灵活的组件机械阐述,然后灵活的身体信息导出到文件中用于亚当斯。还提供了简单的例子说明如何执行亚当斯的刚体动力学分析和细节上如何从亚当斯转移负荷机械APDL进行应力分析。 12.8.1.?Problem Description In the linkage assembly shown below, Link3 is a flexible component. Link3 is modeled as a rectangular rod in Mechanical APDL using? HYPERLINK C:\Program Files\ANSYS Inc\v150\commonfiles\help\en-us\help\ans_elem\Hlp_E_SOLID185.htmlSOLID185?elements. The joints in ADAMS will be attached to interface points (nodes) at the middle of the holes at either end of Link3. These middle points are connected to the cylindrical joint surfaces by a?spider?web of? HYPERLINK C:\Program Files\ANSYS Inc\v150\commonfiles\help\en-us\help\ans_elem\Hlp_E_BEAM188.htmlBEAM188?elements. 在如下所示的连杆机构,Link3是一个灵活的组件。Link3建模为一个矩形杆机械APDL使用SOLID185元素。亚当斯的关节将被附加到接口点(节点)的中间孔两端Link3。这些中间点连接到圆柱关节表面的蜘蛛网BEAM188元素。 Figure?12.5:??Linkage Assembly 12.8.2.?Problem Specifications The figure below shows the Link3 component as it is modeled in Mechanical APDL. 下图展示了建模机械APDL Link3组件。 Figure?12.6:??Link3 Component The following are dimensions and properties for the Link3 component. Radius of holes (radh) = 6mmWidth of rectangular rod (width) = 25mmThickness of rectangular rod (thick) = 10mmLength of rectangular rod (length) = 300mm + 4*Radius of holes = 324mmYoungs modulus for rod = 7.22 x 104?MPaPoissons ratio for rod = 0.34Density of rod = 2.4 x 10-9?tons/mm3Youngs modulus for beams = 2.1 x 105?MPaPoissons ratio for beams = 0.3Density of beams = 0.1 x 10-9?tons/mm312.8.3.?Command Input /BATCH,list /FILNAME,adamsout ! Define jobname /TIT