Base Excitation
- Transient Response
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Two types of base excitations are possible. The excitation can be specified in terms of displacements or accelerations. Both are applied in the global X, Y or Z coordinate frames only.
You can select the excitation type (displacement or acceleration), time function, scaling amplitude and direction.
In addition, displacement-based excitations can be applied to individual supports which can be important for long ground-based structures like pipe systems, bridges, and transportation systems.
- Frequency/Random Response
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The excitation can be specified in terms of accelerations. They are applied in the global X, Y or Z coordinate frames only.
You can select the excitation type (acceleration), frequency/psd function, scaling amplitude and direction.