computes the Poisson ratio of an elasticity tensor
Description
\[\nu = \frac{-S_{ijkl} x_i x_j y_k y_l}{S_{mnop} x_m x_n x_o x_p}\]
Syntax
Input
C | elastic stiffnessTensor |
x | vector3d |
y | vector3d |
Output
nu | Poisson ratio in directions x and y |