PROBLEM modal 3D MODES 1 # only one mode needed READ_MESH fork.msh # in [m] E = 2.07e11 # in [Pa] nu = 0.33 rho = 7829 # in [kg/m^2] # no BCs! It is a free-free vibration problem SOLVE_PROBLEM # write back the fundamental frequency to stdout PRINT f(1)