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Curve fitting for Ogden models in Workbench ANSYS

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Old   October 30, 2019, 07:33
Default Curve fitting for Ogden models in Workbench ANSYS
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Hi

Can someone please tell me whether the Ogden model takes stress/strain as inputs in ANSYS Workbench and uses a curve fitting method to calculate MU and ALPHA? I have loads and displacement data from Instron Machine. They are not stress/strain. Do I need to convert them prior plugging them into the Ogden model or the Ogden model does it automatically and yields stress/strain from loads/displacement?
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curve fit, ogden model, strain, stress, workbench

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