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Why the the elastic modulus(E), shear modulus(G) and Poisson's ratio(v) don't fit into the formula E=2G(1+v)?

Question asked by Kyle Jin on Oct 28, 2014
Latest reply on Oct 29, 2014 by Jared Conway

elastic moduli01.png

I assume the Elastic Modulus in the isotropic material properties is Young's Modulus (G) so it should have a relation with Shear Modulus and Poisson's ratio as in the equation below:

E=2G(1+v)

 

I tried calculating several materials and none of them meets the above equation. I am wondering what Elastic Modulus stands for here? If it is not Young's Modulus, what is it?

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