unit_ID

Optional unit identifier

(Integer, maximum 10 digits)

shell_ID

Element identifier

(Integer)

Nlay

Number of layers

(Integer)

npg

Number of surface quadrature points

(Integer)

= 0: default set to 1

= 1: must be used for shell formulations shell_ID =1, 2, 3, 4, 24 or Ish3n =1, 2, 31

= 3: must be used for DKT18 shell formulation (Ish3n =30)

= 4: must be used for BATOZ formulation (shell_ID =12)

nptt

Integration point number through the thickness

It corresponds to the property definition of this element.(Integer)

Lay_ID

Identifier of layer to initialize

(Integer)

fail_ID

Identifier of the failure criteria to initialize

(Integer)

Ifail_typ

Type of the failure criteria to initialize

(Integer)

Nvar

Number of failure criteria variables to initialize

(Integer)

mat_ID

Material identifier to initialize

(Integer)

V1

First failure criteria variable value

(Integer)

VN

N-th failure criteria variable value

(Integer)