LS-DYNA Input Interface KeywordDefine user-defined through the thickness integration rules for the composite shell element.


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IRID N ESOP          
If ESOP=0, defines N cards
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Zi Wi PART_IDi          


Field Contents SI Unit Example
IRID Integration card identifier.

Default = 100 (Integer)

N Number of integration points through the thickness.


ESOP Integration point distribution through the thickness.
= 0 (Default)
User-defined position.
= 1
Equally distributed through thickness.


Zi Coordinate of integration point in range -1 to 1.


Wi Weighting factor.

Thickness associated to the integration point divided by the total shell thickness.


PART_IDi Optional: Part identifier to specify the material used for the integration point.

If not defined, the material of the shell element is used.



  1. This keyword maps to /PROP/TYPE19 (PLY) and /PROP/TYPE51.