*HEADING
 SKEW-SENSITIVITY ANALYSIS, 0 DEG, C3D8I, 1 X 8 MESH
*NODE
*NGEN,NSET=FIX
*NGEN,NSET=END
*NFILL
FIX,END,8,2
*NSET, NSET=N1,GENERATE
*ELEMENT,TYPE=C3D8I
*ELGEN,ELSET=EALL
*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