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Introduction to mcalibration "Stress relaxation Check"


aros001
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(@aros001)
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Joined: 4 weeks ago

Hello, I performed the introduction to mcalibration calibrating a TN model following the instructions from the link.

https://polymerfem.com/introduction-to-mcalibration/

I saw the prediction for stress relaxation and wanted to check it performing an Ansys simulation, I didnt get the Stress relaxation response of the material in the simulation. Maybe I made a mistake, so I tried replacing the TN material data for an hiperelastic + prony series to check the stress relaxation of the element, getting the desired response for H+P but not for TN model.

 

 i tried performing the TN model with t = 60 and t = 120 simulations but saw 0 relaxation response.

Toughts?

Best regards.

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Jorgen
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Joined: 2 years ago

Your image seems to indicate stress relaxation. Can you explain more about the problem?

/Jorgen

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