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09-02-2010 04:00 AM - edited 10-01-2014 04:23 AM

I need to enter in NX AdvSim 7.5 the properties of a rubber-like material to solve with SOL601 Advanced Nonlinear module, the only available material data I have is the following:

With the above material data:

• How to fill the different fields of the NX material form??.

• The Mooney-Rivlin material form in NX includes many fields like BULK MODULUS (K), but I only have constants Mooney-A and Mooney-B, how to derive the rest of values?.

• Also, where to put data values of Mooney-A and Mooney-B?.

Best regards,

Blas.

1 REPLY

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10-27-2010 07:08 AM

I am not familiar with NX Nastran but I think you have to enter constants A & B under Distortional as Aij (where you curretly have those 0.001 entered). Then you need to calculate the D1 volumetric coefficient from the following equation:

D1 = 3*(1-2*v) / where v = Poisson

Regards

Gert F Botha

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