*DEFINE_TRANSFORMATION

LS-DYNA Input Interface KeywordDefines a node and entities transformation(s) used in *INCLUDE_TRANSFORM.

Format


(1)	(2)	(3)	(4)	(5)	(6)	(7)	(8)
*DEFINE_TRANSFORMATION
`TRA_ID`
`Option`	`Param_1`	`Param_2`	`Param_3`	`Param_4`	`Param_5`	`Param_6`	`Param_7`

Definition


Field	Contents	SI Unit Example
`TRA_ID`	Transformation ID. (Integer)
`Option`	MIRROR SCALE ROTATE TRANSL TRANSL2ND
`Param_1`	If `Option` = MIRROR X coordinate of symmetry plane normal vector tail. (Real) = SCALE X coordinate of scale value. Default = 1 (Real) = ROTATE (Format if all Param are used) 3 X component of rotational axis. (Real) = ROTATE (Alternate Format if values of `Param_4` to `Param_7` are 0) 3 Node identifier 1 to define rotational center. (Integer) = TRANSL X translation. (Real) = TRANSL2ND Node identifier 1 to define translation vector tail. (Integer)	$[m]$
`Param_2`	If `Option` = MIRROR Y coordinate of symmetry plane normal vector tail. (Real) = SCALE Y coordinate of scale value. Default = 1 (Real) = ROTATE (Format if all Param are used) 3 Y component of rotational axis. (Real) = ROTATE (Alternate Format if values of P`aram_4` to `Param_7` are 0) 3 Node identifier 2 to define rotational axis. (Integer) = TRANSL Y translation. (Real) = TRANSL2ND Node identifier 2 to define translation vector tail. (Integer)	$[m]$ for MIRROR, SCALE, ROTATE
`Param_3`	If `Option` = MIRROR Z coordinate of symmetry plane normal vector tail. (Real) = SCALE Z coordinate of scale value. Default = 1 (Real) = ROTATE (Format if all Param are used) 3 Z component of rotational axis. (Real) = ROTATE (Alternate Format if values of `Param_4` to `Param_7` are 0) 3 Rotational angle. = TRANSL Z translation. (Real) = TRANSL2ND Translation value. (Real)	For Format if all Param are use: $[m]$ For Alternate Format if values of P`aram_4` to `Param_7` are 0: $[\deg]$
`Param_4`	If `Option` = MIRROR X coordinate of symmetry plane normal vector head. (Real) = ROTATE (Format if all Param are used) 3 X component of rotational center. (Real)	$[m]$
`Param_5`	If `Option` = MIRROR Y coordinate of symmetry plane normal vector head. (Real) = ROTATE (Format if all Param are used) 3 Y component of rotational center. (Real)	$[m]$
`Param_6`	If `Option` = MIRROR Z coordinate of symmetry plane normal vector head. (Real) = ROTATE (Format if all Param are used) 3 Z component of rotational center. (Real)	$[m]$
`Param_7`	= ROTATE (Format if all Param are used) 3 Rotational angle.	$[\deg]$

Comments

This keyword maps to /TRANSFORM.
The option “_TITLE” can be added to the end of this keyword. When “_TITLE” is included, an extra 80 characters long line is added after the keyword input line which allows an entity title to be defined.
There are 2 alternate input format options for the option ROTATE, where all parameter fields are entered, they define the vector (Param_1-Param_3), coordinates (Param_4-Param_6) and angle (Param_7) of rotation, where only Param_1-Param_3 are entered, they describe 2 node IDs defining vector (Param_1-Param_2) and angle of rotation (Param_3).