How To Run Ansys Workbench In Batch Mode on Nimbix

This article describes the workflow for ANSYS analysis (Workbench) on the Nimbix platform in batch mode.

To perform an ANSYS analysis (Workbench) in batch mode, the following steps can be followed:

1. Select ANSYS Platform (depending on your choice it could be the latest installation or previous release)

Figure1.JPG

Note: Chose “More” option from your dashboard as required in ANSYS Platform is not on your first page.

2. A splash screen opens. Choose “ANSYS Platform (Batch) button

Figure2.JPG

3. Set up your options:

GENERAL TAB

Chose Machine type: The decision on machine type selection is based on size and complexity of your model and cost associated with the machine type (some machines will have higher RAM, others will only run the job on single CPU, others will have better graphics and therefore higher cost, etc). Batch processing runs faster than the interactive counterpart so 8 to 16 cores is typically a good number to select.

Figure3.JPG

NOTE: Batch mode does not require intensive graphics processes so choose the machine type based on the estimated size of your model and CPU/RAM needs.

Select the number of cores:

Figure4.JPG

The machine type you selected in the previous step will dictate the increment in the number of cores that you can choose/select. For a very simple and small model, you can leave default selection, which in this case would be “16” or move the scroll bar to the desired number of cores or simply type over “16” the number of cores you wish to run your job on.

NOTE: Do not confuse the number of cores with the number of nodes (nodes represent the number of increment of cores that you selected. In this example, we selected 1 node with 16 cores).

Select your “Script file” under Parameters (GENERAL) by clicking on the ellipsis on the right of the text box and navigating to the location of the journal file previously created (using ANSYS Workbench Scripting option or a Python script):

Figure5.JPG

NOTE: When creating the journal file to restrict the models to stand-alone sessions (no links to multiple analyses, geometry files, or engineering data files). Ensure that the Engineering data, Geometry, and Model are completed during the journaling session (green checkmark is required to these sections to be able to run the journal file in batch mode). Any additional MAPDL commands can be added to the journal file using a text editor. Python (.py) journal files can also be used as script files. Ensure there are no syntax or logic errors in your journal file to avoid frame errors.

Figure6.JPG

OPTIONAL TAB

Enter the Job Label if desired:

Figure7.JPG

STORAGE TAB

Choose the vault that hosts your data and click “SUBMIT” green button on the lower right corner to submit your job. The “drop.jarvice.com” vault is recommended for small to medium size jobs, such as Icepak projects, simple linear Mechanical Analysis projects. For any complex and computationally heavy jobs, and where partitioning the job over the number of cores becomes challenging, the PREMIUM vault is strongly recommended. The PREMIUM vault can be found under the fly-down under “Select Vault” tab (NOTE: requires subscription and extra monthly payment to have access to PREMIUM vault).

Figure8.JPG

4. Monitor your job in the preview window (batch processes terminate automatically so no additional monitoring is required to save the results). Inspect your output file for any errors, execution results, etc).  Use Workbench Platform (interactive mode) to analyze your results.

Figure9.JPG

 

Was this article helpful?
0 out of 0 found this helpful