Amplitude commands are used to create arbitrary time or frequency variations of load, displacement, and some interaction attributes throughout a step using step time or throughout an analysis using total time.
Amplitude object ActuatorAmplitude object BaselineCorrection object Correlation object DecayAmplitude object EquallySpacedAmplitude object ModulatedAmplitude object PeriodicAmplitude object PsdDefinition object SmoothStepAmplitude object SolutionDependentAmplitude object SpectrumAmplitude object TabularAmplitude object UserAmplitude object