Modal time history analysis
Steady-state harmonic analysis
Random vibration
Damping
Rayleigh damping, modal damping, composite damping
Excitation
Load vs. time data for nodal forces, pressure loads
Uniform and nonuniform base excitations in the time or frequency domain for displacement, velocity and acceleration
Harmonic excitation for nodal forces, pressure loads, uniform and nonuniform ground motions and varied phase angles
Power spectral density (PSD) excitation curves for nodal forces, pressure loads, uniform and nonuniform ground motions
