*HEADING
 SKEW-SENSITIVITY ANALYSIS, 15 DEG PARALLELOGRAM, SC8R, 1 X 8 MESH  
*NODE
1,0.,0.
3,.723205,0.
15,5.223205,0.
17,6.,0.
401,0.,.2
403,.776795,.2
415,5.276795,.2
417,6.,.2
1001,0.,0.,0.01
1003,.723205,0.,0.01
1015,5.223205,0.,0.01
1017,6.,0.,0.01
1401,0.,.2,0.01
1403,.776795,.2,0.01
1415,5.276795,.2,0.01
1417,6.,.2,0.01
*NGEN
3,15,2
403,415,2
1003,1015,2
1403,1415,2
*NSET,NSET=FIX
1,401
1001,1401
*ELEMENT,TYPE=SC8R
1,1,3,403,401,1001,1003,1403,1401
*ELGEN,ELSET=EALL
1,8,2,1
*MATERIAL,NAME=A1
*ELASTIC
1.E8,0.
*SHELL SECTION,MATERIAL=A1,ELSET=EALL,CONTROLS=HGC
.01, 
*HOURGLASS STIFFNESS
,,,1.e-10
*SECTION CONTROLS,NAME=HGC,HOURGLASS=ENHANCED
*STEP,PERTURBATION
*STATIC
*BOUNDARY
FIX,1,6
*CLOAD
17,2,-.25
417,2,-.25
1017,2,-.25
1417,2,-.25
*EL PRINT
COORD, 
S, 
E, 
*NODE PRINT
U, 
RF,
*OUTPUT,FIELD
*NODE OUTPUT
U,
RF,
*ELEMENT OUTPUT
S,
E,
*NSET,NSET=NOUT
17
*ELSET,ELSET=EOUT
1
*OUTPUT,HISTORY
*NODE OUTPUT,NSET=FIX
RF,
*NODE OUTPUT,NSET=NOUT
U,
*ELEMENT OUTPUT,ELSET=EOUT
S,
E,
*ENERGY OUTPUT,VARIABLE=PRESELECT
*END STEP