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Tanya Faltens

Method for calculating Elastic Modulus

Please describe the method used to calculate the elastic modulus.  The closest I could find is slide 13 in the user guide, but I'd like to know:

- Is the origin a fixed point (0,0) in the curve fit?  Or is only the simulated data used to fit a straight line?

- What region of the stress-strain curve is included in the calculation- up to a certain % strain?  If so, what %?  Some of the stress strain curves are more non-linear than the example shown, so knowing this detail will be helpful.

 

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