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Inverse engineering coefficients Ogden model

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Old   September 4, 2019, 21:31
Default Inverse engineering coefficients Ogden model
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I have a series of load and displacement values data from instron machine on a viscohyperelastic material (polyvinylchloride).

I am going to use the 1st order Ogden model to simulate this material in ANSYS Finite Element.

There is a way to use those data that I got from Instron Stress/Tensile machine (load,displacement) in order to inverse engineer the mu and alpha nonlinear coefficients of the ogden model (1st order) and predict the forces that cause the strain on the material along the width of its surfaces.

I don't know the procedure of how to do this in ANSYS. Any kind of help would be appreciated. Thank you very much.

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curve fit, hyperelastic, ogden, reverse engineering

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