*HEADING
 SKEW-SENSITIVITY ANALYSIS, 45 DEG PARALLELOGRAM, C3D8I, 1 X 8 MESH   
*NODE
1,0.,0.
3,.65,0.
15,5.15,0.
17,6.,0.
401,0.,.2
403,.85,.2
415,5.35,.2
417,6.,.2
1001,0.,0.,.01
1003,.65,0.,.01
1015,5.15,0.,.01
1017,6.,0.,.01
1401,0.,.2,.01
1403,.85,.2,.01
1415,5.35,.2,.01
1417,6.,.2,.01
*NGEN
3,15,2
403,415,2
1003,1015,2
1403,1415,2
*NSET,NSET=FIX
1,401,1001,1401
*NSET,NSET=N1,GENERATE
1,    17, 2
401, 417, 2
*ELEMENT,TYPE=C3D8I
1, 1001,1003,3,1, 1401,1403,403,401
*ELGEN,ELSET=EALL
1,8,2,1
*MATERIAL,NAME=A1
*ELASTIC
1.E8,0.
*SOLID SECTION,MATERIAL=A1,ELSET=EALL
*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
COORD, 
S, 
E, 
*NODE FILE
U, 
*OUTPUT,FIELD
*NODE OUTPUT
U,
*END STEP