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Maxwell modelling in ABAQUS

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Posts: 8
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(@OrthoDan)
Active Member
Joined: 15 years ago

Hello everyone,

I have the shear relaxation modulus given as: G(t)=Go*EXP(-t/tau). In ABAQUS, the normalized shear modulus for one term in Prony series is given by: g(t)=Go(1-g1(1-EXP(-t/tau)). The parameters that must be entered in ABAQUS are g1 and tau. For Maxwell (in our case) G(t=infinity)=0.

Consequently, g1=1-G(t=infinity)/Go=1. ABAQUS requires that g1 must be less than 1. Has anyone encountered this problem?

Thanks in advance

Dania

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Posts: 3998
(@jorgen)
Member
Joined: 5 years ago

Yes, it is well known ,)

You can try g1=0.999

-Jorgen

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