[Air] ## Isotropic Material model to simulate free surfaces ## ## For more information see paper Maiti+Eisenlohr2018, Scripta Materialia, ## "Fourier-based spectral method solution to finite strain crystal plasticity with free surfaces" elasticity hooke plasticity isotropic /dilatation/ (output) flowstress (output) strainrate lattice_structure isotropic c11 110.9e9 c12 0.0 taylorfactor 3 tau0 31e6 gdot0 0.001 n 20 h0 75e6 tausat 63e6 w0 2.25 atol_resistance 1