2023.1

2023.1

*AIRBAG_ADIABATIC_GAS_MODEL_ID

LS-DYNA Input Interface KeywordThis model defines a one-chambered airbag filed by adiabatic gas. Uniform pressure method is used.

Format

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*AIRBAG_ADIABATIC_GAS_MODEL_ID

If OPTION = ID, insert the following line

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`monvol_ID`	`Title`

(1)	(2)	(3)	(4)	(5)	(6)	(7)	(8)
`surf_ID`_ex	`Surf_typ`
`Pscale`		`Gamma`	`P_int`	`P_ext`

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) The `surf_ID`_ex is a segment. ≠ 0 The `surf_ID`_ex is a set of parts. (Integer)
`Pscale`	Scaling factor of internal pressure. (Real)
`Gamma`	Adiabatic constant. (Real)
`P_int`	Initial internal pressure. (Real)	$[Pa]$
`P_ext`	External pressure. (Real)	$[Pa]$

Comments

This keyword maps to /MONVOL/GAS.