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ABAQUS PRF Arruda Boyce 8 chain + prony series verification

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Topic starter
(@cchung)
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Joined: 3 weeks ago

Hi,

looking to verify ABAQUS’ integration of the prony series with the arruda Boyce 8 chain model. I’m running a 3 prony term with decadic spacing from 1e-1 to 1e1 in conjunction with the AB model. Model will not verify with my python script. 

My script can be represented in terms of RF as the prony series with the AB formulation as the spring, and then the elastic/equilibrium branch as the long term modulus AB model. Anything glaringly wrong here??

thank you

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