d(20): Non-linear elastic material type imat

\(\begin{array}{rl} \hline \textrm{Value} & \textrm{Type} \\ \hline 1 & \textrm{Regular compressible Neo-Hookean model} \\ 2 & \textrm{Modified compressible Neo-Hookean model} \\ 3 & \textrm{Ogden compressible model} \\ 4 & \textrm{Isotropic linear elastic model} \\ 5 & \textrm{Transversely isotropic/Orthotropic linear elastic model} \\ 6 & \textrm{Energy Conserving model} \\ 7 & \textrm{Fung type exponential model} \\ 8 & \textrm{Anisotropic linear elastic model} \\ 9 & \textrm{Regular compressible Mooney-Rivlin model} \\ 10 & \textrm{Modified compressible Mooney-Rivlin model} \\ 11 & \textrm{Compressible Arruda-Boyce hyperelastic model} \\ 12 & \textrm{Compressible Yeoh hyperelastic model} \\ 13 & \textrm{Solid Mechanics Representative Volume Material} \\ 14 & \textrm{Fiber models} \\ \hline \end{array}\)