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12.8. Sample Rigid Body Dynamic Analysis
刚体动力学分析实例
This sample analysis demonstrates how to model a flexible component in ANSYS and 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 ANSYS in order to perform a stress analysis.
该实例演示了如果在ANSYS中制作柔性部件及输出可在ADAMS中使用的柔性体信息文件。

同样该例子也提供了有关于在ADAMS中进行动力学分析的简单介绍，和如何将载荷信息从ADAMS转换到ANSYS中进行应力分析的详细介绍。

12.8.1. Problem Description
问题描述
In the linkage assembly shown below, Link3 is a flexible component. Link3 is modeled as a rectangular rod in ANSYS using SOLID45elements. 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 BEAM4 elements.
联动装置装配如下图所示，连杆3是一个柔性部件，为矩形杆件在ANSYS中采用SOLID45单元构造。

ADAMS中连接铰将连接在位于杆两端的孔中心接触节点上。

这些节点会通过BEAM4单元构造的蜘蛛网格与圆柱铰表面连接。

Figure 12.5: Linkage Assembly联动装置转配图
12.8.2. Problem Specifications 问题说明
The figure below shows the Link3 component as it is modeled in ANSYS. Figure 12.6: Link3 Component
The following are dimensions and properties for the Link3 component. 杆3的尺寸及性能如下
Radius of holes (radh) = 6mm
孔径=6mm
Width of rectangular rod (width) = 25mm
矩形杆件宽度=25mm
Thickness of rectangular rod (thick) = 10mm
杆件厚度=10mm
Length of rectangular rod (length) = 300mm + 4*Radius of holes = 324mm
杆件长度=300+4*孔径=324mm
Young's modulus for rod = 7.22 x 104 MPa。