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/prep7                        !Call the Preprocessor

et,matid,181                !Specify the element type, shell 181
keyopt,matid,3,2 2          !Use full integration
mpdel,all,matid matid             !Delete all previously assigned material properties
tbdel,all,matid matid              !Delete all previouly assigned tabular data

MP,EX,1,25E6 25E6              !Define Young's Modulus: X Direction
MP,EY,1,1E6 1E6                !Define Young's Moduls: Y Direction
MP,EZ,1,1E6 1E6                !Define Young's Modulus: Z Direction
MP,GXY,1,5E5 5E5              !Define Shear Modulus XY
MP,GYZ,1,2E5 2E5              !Define Shear Modulus YZ
MP,GXZ,1,5E5 5E5              !Define Shear Modulus XZ

MP,PRXY,1,0.25 25            !Define Major Poisson's ratio XY
MP,PRYZ,1,0.01 01            !Define Major Poisson's ratio YZ
MP,PRXZ,1,0.25 25            !Define Majoy Poisson's ration XZ

sect,1,shell shell                  !Specify the section type
secdata,.025,matid,0 0     !Define thickness & orientation for layer 1
secdata,.025,matid,90 90   !Define thickness & orientation for layer 2
secdata,.025,matid,90 90   !Define thickness & orientation for layer 3
secdata,.025,matid,0 0     !Define thickness & orientation for layer 4
secoffset,MID MID               !Define thickness location

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