Set Up Altair Radioss™ to use PolyUMod

Setup Altair Radioss to use PolyUMod

It is easy to set up Altair Radioss to use the PolyUMod© library. Just use the following 5 steps.

1. Install PolyUMod

Follow these instructions to install PolyUMod on a Windows or Linux computer.

2. Set the environment variable "RAD_USERLIB_LIBPATH"

On Windows computers the environment variable “RAD_USERLIB_LIBPATH” should be set to one of the following:

  • C:\Program Files\PolymerFEM\PolyUMod\PolyUMod_Radioss
  • C:\Program Files\PolymerFEM\PolyUMod\PolyUMod

Check on your computer which of these directories that you have, and then set the environment variable to that path.

On Linux computers set the environment variable “RAD_USERLIB_LIBPATH” to one of the following:

  • /opt/PolymerFEM/PolyUMod_Altair/PolyUMod_Radioss
  • /opt/PolymerFEM/PolyUMod_Altair/PolyUMod

Check on your computer which of these directories that you have, and set the environment variable to that path.

You may also have to set the environment variable ALTAIR_LICENSE_PATH to the value 6200@server, where server is the  host name of your Altair license server.

3. Use MCalibration to calibrate and then export a material model to Radioss format

You can learn more about MCalibration here, and take our free training course here.

4. Setup the FE Model using Altair HyperMesh™

Setup /PROP/SOLID to use full integration point elements Isolid=17
Setup /PROP/SOLID to use large strain Lagrangian strains: Ismstr=10
Specify the PolyUMod material model using /MAT/USER01

5. Run your Radioss FE simulation!

That’s it!

For more information on how to setup Altair Radioss to use the PolyUMod library, see the following movie and the following web page.

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