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Viscoelastic + Hyperleastic material models

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sixuan chen
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(@sixuan chen)
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Hi,

Im working on rubber material as main compound of my prototytpe. Now i need to obtain rubber properties for FEA analysis using ANSYS. Based on literatures, i found that the combination of OGDEN (hyperelastic) and PRONY shear response is the best material models for my rubber compound.

For ogden material model, i plan to conduct uniaxial test for and fitted the result in hyperfit software to obtain the parameters require by ansys. However, i still do not know how to get data for prony shear response, what type of test can be done to obtain data for Prony shear response?

Thanks

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