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Hyperelastic material model to fit tension, compression, shear and plane strain tension tests simultaneousely

I have experiments for uniaxial tensile, compression, shear and plain strain tensile. Which one of the Hyperplastic material models in Radioss can effectively fit them?

Regards,

Dariush

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Radioss

v2020

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Andy_20955

Hi,

You can use /MAT/LAW69 to fit material uniaxial test data for tensile and compression. We currently don't have any material model that can include the shear and plain strain tensile data in the fit. However, we will be releasing more advanced fitting tools in the near future.

In the Radios help there is an Example RD-E: 5600 Hyperelastic Material with Curve Input that goes over the process.

More general information is also available in the help at,

User Guide
Explicit Structural Finite Element Analysis
Materials
Hyperelastic Materials

Thanks,

Andy

tuan trinh

1>is it really necessary to crate tension, shear, beding?

If necessary, which is necessay in all (K, C, A, D, function…)

How to decide value of K,A,..

2>function -ID-tension

How to decide value of Function graph? If material in model include Fe, rubber, alumilum