*HEADING
 SKEW-SENSITIVITY ANALYSIS, 30 DEG TRAPEZOIDAL, SC8R, 1 X 8 MESH
*NODE
*NGEN
*NSET,NSET=FIX
*ELEMENT,TYPE=SC8R
*ELGEN,ELSET=EALL
*MATERIAL,NAME=A1
*ELASTIC
1.E8,0.
*SHELL SECTION,MATERIAL=A1,ELSET=EALL,CONTROLS=HGC, POISSON=ELASTIC
.01,
*HOURGLASS STIFFNESS
*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
*ELSET,ELSET=EOUT
*OUTPUT,HISTORY
*NODE OUTPUT,NSET=FIX
RF,
*NODE OUTPUT,NSET=NOUT
U,
*ELEMENT OUTPUT,ELSET=EOUT
S,
E,
*ENERGY OUTPUT,VARIABLE=PRESELECT
*END STEP