Normal-stress difference
= Normal-stress difference
{wiki}
In <simple shear>, the first and second <normal-stress differences> are $N_1=\tau_{xx}-\tau_{yy}$ and $N_2=\tau_{yy}-\tau_{zz}$.
= Normal-stress difference
{wiki}
In <simple shear>, the first and second <normal-stress differences> are $N_1=\tau_{xx}-\tau_{yy}$ and $N_2=\tau_{yy}-\tau_{zz}$.