RCROSS

Bulk Data Entry Defines a pair of response quantities for computing the cross-power spectral density functions in random response analysis.

Format

(1)	(2)	(3)	(4)	(5)	(6)	(7)	(8)	(9)	(10)
RCROSS	`SID`	`RTYPE1`	`ID1`	`COMP1`	`RTYPE2`	`ID2`	`COMP2`

Example

(1)	(2)	(3)	(4)	(5)	(6)	(7)	(8)	(9)	(10)
RCROSS	20	DISP	50	2	STRESS	150	8	4

Definitions

Field	Contents	SI Unit Example
`SID`	RCROSS set identification number. No default (Integer > 0)
`RTYPE#`	Response quantity type. At least one field must be selected. If either `RTYPE1` or `RTYPE2` is blank, then the blank field takes the default from the defined field. DISP Displacement vector VELO Velocity vector ACCEL Acceleration vector STRESS Element stress STRAIN Element strain SPCFORCE SPC force
`ID#`	Element, grid, or scalar point identification number. No default (Integer > 0)
`COMP#`	Component code (item) identification number. 2 No default (Integer > 0)

Comments

This entry is required for computing the cross-power spectral density function. SID must be selected with the I/O Option RCROSS. Fields RTYPE1, ID1, and COMP1 represent the first response quantity and fields RTYPE2, ID2, and COMP2 represent the second response quantity.

For elements, COMP# represents a component of the element stress or strain as described below.

Element	Stress/Strain Item	Number Code
All Solid Elements	Normal X	6 or 12
	Normal Y	7 or 13
	Normal Z	8 or 14
	Shear XY	9 or 15
	Shear YZ	10 or 16
	Shear XZ	11 or 17
All Shell Elements	Normal X at Z1	3 or 4
	Normal X at Z2	10 or 11
	Normal Y at Z1	5 or 6
	Normal Y at Z2	12 or 13
	Shear XY at Z1	7 or 8
	Shear XY at Z2	14 or 15

For grid points, COMP# represents a component of the displacement, velocity, acceleration or spcforce as described below.

Response

Number Code

Translation X

1 or 7

Translation Y

2 or 8

Translation Z

3 or 9

Rotation X

4 or 10

Rotation Y

5 or 11

Rotation Z

6 or 12
For scalar points, COMP# should always be 1.