PlaneStress material class
\[\begin{split}\left\{ \begin{array}{c}
S_{XX} \\ S_{YY} \\ S_{XY}
\end{array} \right\}
=
\frac{E t}{1-\nu^2}
\left[ \begin{array}{ccc}
1 & \nu & 0 \\
\nu & 1 & 0 \\
0 & 0 & \frac{1-\nu}{2}
\end{array} \right]
\left(
\left\{ \begin{array}{c}
E_{XX} \\ E_{YY} \\ 2E_{XY}
\end{array} \right\}
-
\left\{ \begin{array}{c}
E_{XX}^p \\ E_{YY}^p \\ 2E_{XY}^p
\end{array} \right\}
\right)\end{split}\]
where
\(E_{IJ}\) |
Component IJ of total strain |
\(E_{IJ}^p\) |
Component IJ of plastic strain |