2023.1

2023.1

*AIRBAG_LINEAR_FLUID_ID

LS-DYNA Input Interface KeywordThis model defines a control volume filled with a liquid.

Format

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*AIRBAG_LINEAR_FLUID_ID

If OPTION = ID, insert the following line

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`monvol_ID`	`Title`

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`surf_ID`_ex	`Surf_typ`
`K`	$ρ$	`LCINT`	`LCOUTT`	`LCOUTP`	`LCFIT`	`LCBULK`

Optional card

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`P_MAX`	`P_MAX_ID`

Definition

Field	Contents	SI Unit Example
`monvol_ID`	Airbag identifier. (Integer)
`Title`	Title. (Character)
`surf_ID`_ex	Airbag external surface identifier. (Integer)
`Surf_typ`	Set type. = 0 (Default) `surf_ID`_ex is a segment. ≠ 0 `surf_ID`_ex is a set of parts. (Integer)
`K`	Bulk coefficient. (Real)	$[Pa]$
$ρ$	Density. (Real)	$[\frac{kg}{m^{3}}]$
`LCINT`	Mass flow in as function of time. (Integer)	$[\frac{kg}{s}]$
`LCOUTT`	Mass flow out as function of time. (Integer)	$[\frac{kg}{s}]$
`LCOUTP`	Mass flow out as function of time. (Integer)	$[\frac{kg}{s}]$
`LCFIT`	Added pressure as function of time. (Integer)	$[Pa]$
`LCBULK`	Bulk coefficient as function of time. Value of `K` is ignored in this case. (Integer)	$[Pa]$
`P_MAX`	Maximum value of pressure. (Real)	$[Pa]$
`P_MAX_ID`	Maximum value of pressure as function of time. (Integer)	$[Pa]$

Comments

This keyword maps to /MONVOL/LFLUID.