
This window lets you set the activation and deactivation times for a structured Part. Activation / Deactivation times cannot be set for unstructured Parts. The default values ensure the Part is active for the entire calculation.
- Activation Time
 The activation time for the Part. The Part will not be computed until this activation time is reached.
- Deactivation Time
 The deactivation time for the Part. The Part will not be computed after this deactivation time is reached.