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RecurDyn allows you to simulate batch files with *.bat extensions.

You can use the batch file simulation function to design parametric studies. This FAQ teaches you how to perform a basic batch file simulation.

To perform a batch simulation, you must first define the scenario in the Scenario Analysis dialog window. The scenario defines how the model is simulated. The sample model used in this FAQ creates a scenario that performs a simple dynamic simulation. After defining the scenario, you can export it as a RSS file, which will be used to perform the batch file simulation.

Step 1

On the Analysis tab, in the Simulation Type group, click Scenario, as shown in the following figure. In the Scenario Analysis dialog window that appears, define the simulation type and configure the relevant settings. Then, click Create to generate the scenario, and click Export to save it in an RSS file.

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Step 2

Create the batch file shown below in a text editor program. (To create a *.bat file, first create a *.txt file and change its file extension to bat.)

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>> C:\Program Files\FunctionBay, Inc\RecurDyn V8R1\Bin\Recurdyn.exe: The path to the execution file in the RecurDyn installation folder

>> RDBAT_TEST.rdyn: The rdyn file to analyze

>> /rdp RDBAT_TEST.rdp: The file that contains the parametric value (PV) and parametric point (PP) data

>> /rss RDBAT_TEST.rss: The RecurDyn scenario analysis file

Step 3.

Create a batch simulation folder. Save all the files mentioned in Step 2 in the batch simulation folder.

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To export the *.rdp file to the batch simulation folder, in the System menu, click Export. Exporting the rdp file also creates both an rdv file and rpp file because the rdp file saves both the PV and PP data. Save the rdp, rdv, and rpp files in the same folder.

Step 4

Run the bat file. RecurDyn opens in the background and simulates the file. Once the simulation is complete, the command prompt window disappears and the simulation results are saved in the batch simulation folder you have created in Step 3.

You can also edit the rdv file (parametric values) and the rpp file (parametric points) in a text editor and apply them to the batch simulation.