d(16): Geometry types identifier stype

\(\begin{array}{rl} \hline \textrm{Value} & \textrm{Type} \\ \hline 1 & \textrm{Plane stress} \\ 2 & \textrm{Plane strain} \\ 3 & \textrm{Axisymmetric without torsion} \\ 4 & \textrm{Plate / Shell} \\ 5 & \textrm{Truss} \\ 6 & \textrm{Thermal} \\ 7 & \textrm{3-D Solid} \\ 8 & \textrm{Axisymmetric with torsion} \\ 9 & \textrm{Spherical symmetry} \\ \hline \end{array}\)