*RIGIDWALL_GEOMETRIC

LS-DYNA Input Interface KeywordDefine a rigid wall with the different following shape.

Format

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*RIGIDWALL_GEOMETRIC_TYPE_{OPTION}_{OPTION}_{OPTION}

If OPTION = ID, insert the following line.

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`Rwall_ID`	`Title`

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`Set_ID`	`Setex_ID`	`Box_ID`
`XT`	`YT`	`ZT`	`XH`	`YH`	`ZH`	`FRIC`

If TYPE = CYLINDRICAL or SPHERE, insert the following line.

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`Radius`

If TYPE = FLAT, insert the following line.

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`XHEV`	`YHEV`	`ZHEV`	`LENL`	`LENM`

If TYPE = PRISM, insert the following line.

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`XHEV`	`YHEV`	`ZHEV`	`LENL`	`LENM`	`LENP`

If OPTION = MOTION, insert the following line.

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`Fct_ID`	`OPT`	`VX`	`VY`	`VZ`

Definition

Field	Contents	SI Unit Example
`TYPE`	CYLINDER Cylinder rigid wall. FLAT Flat rigid wall. PRISM Prism rigid wall. SPHERE Spherical rigid wall.
`OPTION`	ID Insert an extra line for the joint rigid wall ID and title. MOTION Insert an extra line to define the motion.
`Rwall_ID`	Optional rigid wall identifier. (Integer)
`Title`	Optional title. (Character, maximum 70 characters)
`Set_ID`	Node set for the rigid wall contact. (Integer)
`Setex_ID`	Node set to exclude from the rigid wall contact. (Integer)
`Box_ID`	Box identifier for the rigid wall contact. (Integer)
`XT`	Rigid wall tail point X coordinate. (Real)	$[m]$
`YT`	Rigid wall tail point Y coordinate. (Real)	$[m]$
`ZT`	Rigid wall tail point Z coordinate. (Real)	$[m]$
`XH`	Rigid wall head point X coordinate (defining normal direction). (Real)	$[m]$
`YH`	Rigid wall head point Y coordinate (defining normal direction). (Real)	$[m]$
`ZH`	Rigid wall head point Z coordinate (defining normal direction). (Real)	$[m]$
`FRIC`	Coulomb friction coefficient. (Real)
`Radius`	Cylinder or sphere radius. (Real)	$[m]$
`XHEV`	Rigid wall edge point X coordinate. (Real)	$[m]$
`YHEV`	Rigid wall edge point Y coordinate. (Real)	$[m]$
`ZHEV`	Rigid wall edge point Z coordinate. (Real)	$[m]$
`LENL`	Rigid wall size on the 1st edge. (Real)	$[m]$
`LENM`	Rigid wall size on the 2nd edge. (Real)	$[m]$
`LENP`	Rigid wall size on the 3rd edge (in opposite as normal direction). (Real)	$[m]$
`Fct_ID`	Imposed motion function (velocity/displacement versus time). (Integer)	$[\frac{m}{s}]$ or $[m]$
`OPT`	Imposed motion type. = 0 (Default) Imposed velocity. = 1 Imposed displacement.
`VX`	Imposed motion direction X. (Real)
`VY`	Imposed motion direction Y. (Real)
`VZ`	Imposed motion direction Z. (Real)

Comments

This keyword maps to /RWALL.
The option MOTION maps to /NODE, /IMPVEL or /IMPDISP, and /SKEW/FIX.
The option DISPLAY can be added without any additional line.

Figure 1.