*HEADING
 SKEW-SENSITIVITY ANALYSIS, 15 DEG PARALLELOGRAM, C3D10, 1 X 8 MESH 
*RESTART,WRITE
*NODE,NSET=SIDE1
1,0.,0.
2,0.361603,0.
3,.723205,0.
15,5.223205,0.
16,5.611603,0.
17,6.,0.
401,0.,.1
417,6.,.1
801,0.,.2
802,0.388398,.2
803,.776795,.2
815,5.276795,.2
816,5.638398,.2
817,6.,.2
*NGEN,NSET=SIDE1
3,15
401,417
803,815
*NCOPY, OLD SET=SIDE1, CHANGE NUMBER=1000, SHIFT, NEW SET=MID
0.,0.,.005

*NCOPY, OLD SET=SIDE1, CHANGE NUMBER=2000, SHIFT
0.,0.,.01

*NSET,NSET=FIX
1,401,801,1001,1801,2001,2401,2801,
*ELEMENT,TYPE=C3D10
       1,       1,     801,    2001,       3,     401,    1401,    1001,
       2,     402,     1002
       2,    2801,    2001,     801,    2803,    2401,    1401,    1801,
      2802,    2402,    1802
       3,     803,       3,    2803,     801,     403,    1403,    1803,
     802,     402,    1802
       4,    2003,    2803,       3,    2001,    2403,    1403,    1003,
    2002,    2402,    1002
       5,       3,     801,    2001,    2803,     402,    1401,    1002,
    1403,    1802,    2402
*ELGEN,ELSET=EALL
1,8,2,5
2,8,2,5
3,8,2,5
4,8,2,5
5,8,2,5
*MATERIAL,NAME=A1
*ELASTIC
1.E8,0.
*SOLID SECTION,MATERIAL=A1,ELSET=EALL
*STEP,PERTURBATION
*STATIC
*BOUNDARY
  MID,3
FIX,1,3
*CLOAD
17,2,-.25
817,2,-.25
2017,2,-.25
2817,2,-.25
*EL PRINT
COORD, 
S, 
E, 
*NODE FILE
U, 
*OUTPUT,FIELD
*NODE OUTPUT
U,
*END STEP