*AIRBAG_SIMPLE_PRESSURE_VOLUME

LS-DYNA Input Interface KeywordDescribes a one-chambered airbag with pressure as a function of volume.

Format

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*AIRBAG_SIMPLE_PRESSURE_VOLUME_{OPTION}
If OPTION = ID, insert the following line.
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ID Title
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surf_IDex Surf_typ
CN BETA

Definition

Field Contents SI Unit Example
ID Airbag identifier.

(Integer)
Title Title.

(Character)
surf_IDex Airbag external surface identifier.

(Integer)
Surf_typ Set type.
≠ 0
Set of parts.
CN Pressure coefficient.
> 0
pressure=BETA*CNrelative_volume

Default =0 (Real)
BETA Pressure scale factor.

(Real)

 [Pa]

Comments

  1. This keyword maps to /MONVOL/PRES.
  2. Relative volume is defined as:
    relative_volume=Current_volumeInitial_volume