Table 3.

Stability criteria.

Plane Stress	Shear-Bending Coupling
${\mathrm{E}}_1^{\mathrm{d}},{\mathrm{E}}_2^{\mathrm{d}}, {\mathrm{G}}_{12}^{\mathrm{d}}>0$	${\mathrm{E}}_1^{\mathrm{d}},{\mathrm{E}}_2^{\mathrm{d}}, {\mathrm{G}}_{12}^{\mathrm{d}}, {\mathrm{G}}_{13}^{\mathrm{d}}, {\mathrm{G}}_{23}^{\mathrm{d}}>0$
$\left|{\mathsf{\nu }}_{12}^{\mathrm{d}}\right|<{\left(\frac{{\mathrm{E}}_1^{\mathrm{d}}}{{\mathrm{E}}_2^{\mathrm{d}}}\right)}^{\raisebox{1ex}{$1$}\!\left/ \!\raisebox{-1ex}{$2$}\right.}$