2_four_post_tutorial - 7 Four-Post Test Rig Tutorial...

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7 Four-Post Test Rig Tutorial Four-Post Test Rig Tutorial
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Getting Started Using Adams/Car Ride 8 Overview This tutorial guides you through the process of running several analyses on a full vehicle and observing the results of the analyses. This chapter includes the following sections: • Running a Swept-Sine Analysis • Simulating a Rough Road • Simulating a Single Bump This tutorial takes about two hours to complete.
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9 Four-Post Test Rig Tutorial Starting Adams/Car Ride Because Adams/Car Ride is a plugin to Adams/Car, you first start Adams/Car and then load Adams/Car Ride. In the UNIX environment, you start Adams/Car from the MD Adams Toolbar. In the Windows environment, you start Adams/Car from the Start button. For more information, see the online help for Running and Configuring MD Adams. To load Adams/Car Ride: 1. Start Adams/Car as explained in Starting Adams/Car Standard Interface in the guide Getting Started Using Adams/Car. 2. From the Tools menu, select Plugin Manager . For help on the Plugin Manager, press F1 when the dialog box is active. 3. In the list of plugin names, find Adams/Car Ride , and then select one or both of the following: Load - Loads Adams/Car Ride in the current session. Load at Startup - Instructs Adams/Car to load Adams/Car Ride in all future Adams/Car sessions. 4. Select OK . Adams/Car loads Adams/Car Ride. The interface now includes a new menu, Ride. 5. When the assembly finishes loading, close the Message Window.
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Getting Started Using Adams/Car Ride 10 Running a Swept-Sine Analysis In this section, you perform a simulation using a basic ride input: a vertical swept-sine displacement disturbance of the tires. Opening the Assembly You first open the assembly on which you will perform the analysis. To open the assembly: 1. From the File menu, point to Open , and then select Assembly . 2. Right-click the Assembly Name text box, point to Search , and then select <aride_shared>/assemblies.tbl . 3. Double-click Vehicle_full_4post_PAC2002.asy . 4. Select OK . Setting up the Analysis Now that the assembly is open, you are ready to set up the analysis. To set up the analysis: 1. From the Ride menu, point to Full-Vehicle Analysis , and then select Four-Post Test Rig . The Full-Vehicle Assembly text box displays the name of the assembly, Vehicle_full_4post_PAC2002 . 2. Enter the following specifications: Output Prefix : swept_heave End Time : 10 Mode of Simulation : interactive Basis for Number of Output Steps : min. number of outputs per input Target Value for Basis : 20 To prevent errors caused by aliasing, sample outputs at a minimum of six times the highest input frequency. A ratio of ten is much better than six; 20 is very good. Never use a ratio less than six. Adams/Car Ride automatically fills in the values under Actual Values Used for Simulation.
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This document was uploaded on 07/17/2011.

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2_four_post_tutorial - 7 Four-Post Test Rig Tutorial...

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