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/DVGRID

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/DVGRID
/DVGRID

Optimization Keyword

/DVGRID – Relationship between Design Variable and Grid Point Location

Description

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
...	...	...		...		...		...
node_IDN	skew_IDN	coeffN		XN		YN		ZN

Field	Contents
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) If this field is blank, the global coordinate system is used.
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)

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

See Also:

Design Optimization

Skew and Frame (/SKEW & /FRAME)