*HEADING
 SKEW-SENSITIVITY ANALYSIS, 45 DEG TRAPEZOIDAL, SC8R, 1 X 8 MESH   
 SKEWING IS DONE IN THICKNESS DIRECTION
*NODE,NSET=SIDE1
1,0.,0.
3,.65,0.
5,1.6,0.
13,4.6,0.
15,5.15,0.
17,6.,0.
401,0.,.2
403,.85,.2
405,1.4,.2
413,4.4,.2
415,5.35,.2
417,6.,.2
*NGEN,NSET=SIDE1
3,15,4
5,13,4
403,415,4
405,413,4
*NCOPY, OLD SET=SIDE1, CHANGE NUMBER=1000, SHIFT
0.,0.,.01

*NSET,NSET=FIX
1,401,1001,1401
*NSET,NSET=N1,GENERATE
1,    17, 2
401, 417, 2
*ELEMENT,TYPE=SC8R
1, 1001,1003,3,1, 1401,1403,403,401
*ELGEN,ELSET=EALL
1,8,2,1
*MATERIAL,NAME=A1
*ELASTIC
1.E8,0.
*SHELL SECTION,MATERIAL=A1,ELSET=EALL, POISSON=ELASTIC
 1.0
*STEP,PERTURBATION
*STATIC
*BOUNDARY
FIX,1,3
N1, 3,3
*CLOAD
17,2,-.25
417,2,-.25
1017,2,-.25
1417,2,-.25
*EL PRINT
 SF,
 SE,
*NODE PRINT
 U, 
*OUTPUT,FIELD
*NODE OUTPUT
 U,
 RF,
*ELEMENT OUTPUT
 SF,
 SE,
*END STEP