Deactivation_data
Contents
Data Structure: Deactivation_data |
|
Description |
Defines the deactivation data for a group or list of groups |
Usage |
Deactivation_data NUM=ival where ival is the data structure number |
Description |
Overview Deactivation data is used to specify removal of a group or a list of groups from the analysis. This can be used to model erosion when a whole group is eroded for example. The removal of the geometry and mesh of the deactivated groups is performed at the start of the current control step and by default, the internal forces of the deactivated groups are applied on shared boundaries (e.g. the new top surface) and ramped down over the duration of the stage.
Notes •Note that in restoration simulations the Deactivation_data routine is called at each restoration stage. In such simulations the geometry for each formation to be restored is automatically identified from the Stratigraphy_data.
|
 | Groups List of group ID numbers to be deactivated |
Usage |
|||||||||||||||
|
|||||||||||||||
Description |
|||||||||||||||
List of groups to be deactivated defined by ID number.
|
|||||||||||||||
| Group_names List of group names to be deactivated |
Usage |
|||||||||||||||
|
|||||||||||||||
Description |
|||||||||||||||
List of groups to be deactivated defined by name.
|
|||||||||||||||
| Deactivation_force_flag Flag to ramp down the boundary forces adjacent to deactivated groups |
Usage |
||||
|
||||
Description |
||||
Flag to ramp down the boundary forces adjacent to deactivated groups. Valid cases are: • 0 - Do not apply deactivation forces • 1 - Ramp down boundary forces using a time curve (default)
|
| Time_curve Time curve name or number |
Usage |
||||
|
||||
Description |
||||
Time curve name or number to be associated with the gradual removal of gravitational loading for deactivated groups. If not specified then a time curve will be automatically created with a time span corresponding to the stage duration. Note that the scaling factor of the associated time curve must go from 1.0 (loading is fully applied) to 0.0 (loading is fully removed).
|