SOLUTION # Frequency response function calculation case test2 directfrf END FILE geometry_file = 'beam_frf.e' END GDSW # Option which effects GPU solution tacho_alg_variant 2 END LOADS # Define frequency domain load function that drives the structure. # Same force applied to every node of nodeset 500 nodeset 500 # force in Z direction force = 0.0 0.0 1.0 scale = 1 function = 1 END FUNCTION 1 # This defines a spectrum of constant force of the frequency range type LINEAR name "noise" data 0.0 1.0 data 200. 1.0 END DAMPING # Mass proportional damping coefficient alpha = 5 END BLOCK 1 material = 1 // rubber linear END BLOCK 90 # All elements in block 90 are rigid bars. Any two connected # rigid bars meld into a single rigid body. rbar END BLOCK 91 # Concentrated mass element with specified mass and rotational # inertia conmass mass = 1e-3 Ixx = 1e-3 Iyy = 1e-3 Izz = 1e-3 END MATERIAL 1 isotropic density 0.0343 E 218 # Young's Modulus nu = .499 # Poisson's ratio. A poisson ratio # would be incompressible. Specified Poisson # ratio must be at least slightly below 0.5 END PARAMETERS # Conversion factor between weight and mass. # With this parameter input deck terms like density # should be specified in terms of weight rather than # mass wtmass = 0.002588 END OUTPUTS disp stress END FREQUENCY # Frequency domain outputs are calculated on # nodeset 2, this includes the acceleration # and displacement magnitudes due to the # input forces freq_min = .1 freq_step = .1 freq_max = 50 acceleration disp nodeset 2 END ECHO # Output block-by-block masses for debugging purposes mass=block END