Creo Hyperelastic Simulation Not Valid Material Error

[mechsystem]

I've been running into an issue with Creo live simulation where selecting isotropic hyperelastic materials results in an error before even running the simulation. The error message says there is insufficient data due to not having a valid material assigned. Clicking more info on this error says that the material is missing a young's modulus and poisson's ratio.

I first tried using the included Granta silicone rubber material which by default was defined with Mooney-Rivlin parameters, and this material had the same issue despite being a Creo-provided material. I then tried defining my own hyperelastic material, but as with the Granta silicone rubber, there were no entry boxes in the material definition window for young's modulus and poisson's ratio.

I have also tried manually editing the .mtl files to include these two values, but those edited materials are then unselectable through Creo's material selection since it shows them as having no values for anything. Even when deleting the edits I manually made to these files, they remain unselectable, so I have lost access to my original Granta silicone rubber material unfortunately.

I haven't been able to find anyone else reporting this issue online, so any help would be greatly appreciated!

For context I am running Creo Parametric 9.0.7.0

 

[3DDave]

Granta as a standalone company seems to be gone. At least the link in an older post to Granta silicone rubber is a dead link and the base URL is also gone. It appears to me that Ansys absorbed Granta back in 2019.
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https://www.grantadesign.com/products/mi/proe/

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Creo Parametric Material Files (Library)

Hi, Is there a good, current source for downloading Creo Material files? I am looking for commonly used metals and plastics. It seems crazy that every individual or organization has to create their own material library. I'm assuming this has been done many times, but cannot find a definitive...

community.ptc.com

This was listed as a solution to some hyperelastic material problem with Creo in 2023:

Hyperelastic Material definition

I'm using Creo Simulate, version 4.0 I'm trying to run a structural simulation on a model that has rubber isolation mounts in it. Normally, I would represent the rubber components with linear springs but I don't have any information on the mounts in this case. I know these are non-linear but...

community.ptc.com

Not a license holder so cannot read it but:
https://www.ptc.com/en/support/article/CS373913

Does the Granta material library come with the Creo Mold Analysis (CMA) extension in Creo Parametric​

Modified: 01-Aug-2022

Best I can do is direct you to https://support.ptc.com/help/creo/c...e/simulate/abt_material_model.html#wwID0E46Z6