*HEADING
 SKEW-SENSITIVITY ANALYSIS, 0 DEG, C3D8, 1 X 8 MESH                
*PREPRINT,ECHO=YES,HISTORY=NO,MODEL=NO
*NODE
1,0.,0.
17,6.,0.
401,0.,.2
417,6.,.2
1001,0.,0.,-.01
1017,6.,0.,-.01
1401,0.,.2,-.01
1417,6.,.2,-.01
*NGEN,NSET=FIX
1,401,100
1001,1401,100
*NGEN,NSET=END
17,417,100
1017,1417,100
*NSET, NSET=N1,GENERATE
1,    17, 2
401, 417, 2
*NFILL
FIX,END,8,2
*ELEMENT,TYPE=C3D8
1,1,3,1003,1001,401,403,1403,1401
*ELGEN,ELSET=EALL
1,8,2,1
*MATERIAL,NAME=A1
*ELASTIC
1.E8,0.
*SOLID SECTION,MATERIAL=A1,ELSET=EALL
.1, 
*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