/DVGRID
Optimization Keyword Defines the relationship between design variable and grid point location.
Format
| (1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) | (9) | (10) |
|---|---|---|---|---|---|---|---|---|---|
| /DVGRID/dvg_ID | |||||||||
| title | |||||||||
| dv_ID | |||||||||
| node_ID1 | skew_ID1 | coeff1 | X1 | Y1 | Z1 | ||||
| node_ID2 | skew_ID2 | coeff2 | X2 | Y2 | Z2 | ||||
| etc | etc | etc | etc | etc | etc | ||||
| node_IDN | skew_IDN | coeffN | XN | YN | ZN | ||||
Definitions
| Field | Contents | SI Unit Example |
|---|---|---|
| dvgl_ID | /DVGRID card identifier. | |
| title | Title. (Character, maximum 100 characters) |
|
| dv_ID | /DESVAR identifier | |
| node_IDi | GRID identification
number (Integer > 0) |
|
| skew_IDi | Skew coordinate system
identification number.
(Integer > 0 or blank) |
|
| coeffi | Multiplier to the vector
defined by Xi,
Yi, and
Zi in the
following fields. (Real) |
|
| Xi, Yi, Zi | Components of the vector
defining the perturbation of the grid in the coordinate system
defined by
skew_IDi. (Real) |
Comments
- This card is represented as an optimization design variable in HyperMesh and HyperCrash.