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How to define elasticity matrix D for anisotropic material in 2D plane strain

Posted Mar 11, 2011, 12:08 p.m. EST 1 Reply

Xinyu Du
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I know the coefficients of the 6 by 6 matrix for the material in 3D, how can I convert it to 2D 4-by-4 matrix?

In theory, should it be a 3X3 matrix since only 3 stress exist in the case of plane strain?
1 Reply Last Post Mar 11, 2011, 1:32 p.m. EST
Xinyu Du
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Posted: 1 decade ago Mar 11, 2011, 1:32 p.m. EST
In Comsol, D is 4X4 matrix for 2D anisotropic material , but I can not find the explanation for each element.
In Comsol, D is 4X4 matrix for 2D anisotropic material , but I can not find the explanation for each element.

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