Optimization Keyword Defines the relationship between design variable and grid point location.


(1) (2) (3) (4) (5) (6) (7) (8) (9) (10)
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


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.
The global coordinate system is used.

(Integer > 0 or blank)

coeffi Multiplier to the vector defined by Xi, Yi, and Zi in the following fields.


Xi, Yi, Zi Components of the vector defining the perturbation of the grid in the coordinate system defined by skew_IDi.




  1. This card is represented as an optimization design variable in HyperMesh and HyperCrash.