Home > List of Keywords > *GRBALLAST
*GRBALLAST, file=$Path\filename
Data format:
A single line comprising 3 values
NUMGR IOPTION Per Itab
Status : Optional
**Purpose : ** To specify ballast properties of a group of elements
Details :
| Parameter | Description |
|---|---|
| NUMGR | Group number; same as the number defined in *GROUP |
| IOPTION | 1=loss of buoyancy, 2 = added mass, 3 = intact |
| Per | Percentage of filled volume if IOPTION = 3 only |
| Itab | If any, identification number of the incremental table if IOPTION = 3 only |
| Filename | Name of the file with time variation of the filling ratio (optional) |
