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to the end of the code. For simplicity, I have posted the entire code here:

Info

/prep7 !Call the Preprocessor

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

MP,EX,1,33E9 !Define Young's Modulus: X Direction
MP,EY,1,33E9 !Define Young's Moduls: Y Direction
MP,EZ,1,33E9 !Define Young's Modulus: Z Direction

MP,PRXY,1,0.3 !Define Major Poisson's ratio XY
MP,PRYZ,1,0.3 !Define Major Poisson's ratio YZ
MP,PRXZ,1,0.3 !Define Majoy Poisson's ration XZ

*DIM,vth,TABLE,6,5,1, !Dimension The Table for the Thickness Function

! Begin of equation: .030-{X}*.00048485
!30mm at root and 10mm at tip
vth(0,0,1)= 0.0, -999
vth(2,0,1)= 0.0
vth(3,0,1)= 0.0
vth(4,0,1)= 0.0
vth(5,0,1)= 0.0
vth(6,0,1)= 0.0
vth(0,1,1)= 1.0, -1, 0, .00048485, 0, 0, 2
vth(0,2,1)= 0.0, -2, 0, 1, 2, 3, -1
vth(0,3,1)= 0, -1, 0, .030, 0, 0, -2
vth(0,4,1)= 0.0, -3, 0, 1, -1, 2, -2
vth(0,5,1)= 0.0, 99, 0, 1, -3, 0, 0
! End of equation: .030-{X}*.00048485
!-->

sect,1,shell !Specify the section type
secfunction,%vth% !Apply the Varying Thickness Function

Post this code at the end of the command snippit you created for the Outer Surface.

Spar

We need to repeat the above step, creating a command for the spar, but this time the thickness will be constant at 0.20 m. We will also have to make minute changes to the code to refer to the correct section. For simplicity, the code is posted below. Copy and paste the code below into a command snippit for the Spar.

Info

/prep7 !Call the Preprocessor

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

MP,EX,2,101E9 !Define Young's Modulus: X Direction
MP,EY,2,101E9 !Define Young's Moduls: Y Direction
MP,EZ,2,101E9 !Define Young's Modulus: Z Direction

MP,PRXY,2,0.3 !Define Major Poisson's ratio XY
MP,PRYZ,2,0.3 !Define Major Poisson's ratio YZ
MP,PRXZ,2,0.3 !Define Majoy Poisson's ration XZ

*DIM,sth,TABLE,6,5,1, !Dimension The Table for the Thickness Function

! Begin of equation: .020
sth(0,0,1)= 0.0, -999
sth(2,0,1)= 0.0
sth(3,0,1)= 0.0
sth(4,0,1)= 0.0
sth(5,0,1)= 0.0
sth(6,0,1)= 0.0
sth(0,1,1)= 1.0, 99, 0, .10, 0, 0, 0
sth(0,2,1)= 0
sth(0,3,1)= 0
! End of equation: .020
!-->

sect,2,shell !Specify the section type
secfunction,%sth% !Apply the Varying Thickness Function

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https://confluence.cornell.edu/download/attachments/151192811/Command+Snippits+Large.png?version=1&modificationDate=1310690913000

Prevent ANSYS from changing Material Properties

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Spar

Prevent ANSYS from changing Material Properties