*ELEMENT_SEATBELT_PRETENSIONER

LS-DYNA Input Interface KeywordDefines a 1D seat belt pretensioner element.

Format

(1) (2) (3) (4) (5) (6) (7) (8)
*ELEMENT_SEATBELT_PRETENSIONER
PRID PR_TYPE SENS_ID1 SENS_ID2 SENS_ID3 SENS_ID4
RID Tdelay FCT_L FMAX

Definition

Field Contents SI Unit Example
PRID Pretensioner identifier.

(Integer)
PR_TYPE Pretensioner type.
= 1
Retractor with force limits.
= 4
Retractor with force versus time.
= 5
Retractor with force limits.
= 6
Retractor with force limits and force versus time.
= 7
Combination of retractor and pretensioner.
= 8
Retractor with energy versus time.

(Integer)
SENS_ID1 Sensor for pretensioner activation.

(Integer)
SENS_ID2 Sensor for pretensioner activation.

(Integer)
SENS_ID3 Sensor for pretensioner activation.

(Integer)
SENS_ID4 Sensor for pretensioner activation.

(Integer)
RID Retractor identifier.

(Integer)
Tdelay Time delay.

(Real)

 [ s ]
FCT_L Load curve identifier.

(Integer)
FMAX Maximum pretension force.

(Real)

 [ N ]

Comments

  1. This keyword maps to /RETRACTOR/SPRING.
  2. First non-zero sensor is used to activate pretensioner. Time delay Tdelay is added to the sensor activation.