*HEADING
 SKEW-SENSITIVITY ANALYSIS, 30 DEG TRAPEZOIDAL, CPS8R, 1 X 8 MESH  
*NODE
1,0.,0.
3,.692265,0.
5,1.557735,0.
13,4.557735,0.
15,5.192265,0.
17,6.,0.
401,0.,.1
417,6.,.1
801,0.,.2
803,.807735,.2
805,1.442265,.2
813,4.442265,.2
815,5.307735,.2
817,6.,.2
*NGEN
3,15,4
5,13,4
803,815,4
805,813,4
401,417,2
1,3
3,5
5,7
7,9
9,11
11,13
13,15
15,17
801,803
803,805
805,807
807,809
809,811
811,813
813,815
815,817
*NSET,NSET=FIX
1,401,801
*ELEMENT,TYPE=CPS8R
1, 1,3,803,801, 2,403,802,401
*ELGEN,ELSET=EALL
1,8,2,1
*MATERIAL,NAME=A1
*ELASTIC
1.E8,0.
*SOLID SECTION,MATERIAL=A1,ELSET=EALL
.01, 
*STEP,PERTURBATION
*STATIC
*BOUNDARY
FIX,1,2
*CLOAD
17,2, -.1666666666666667
417,2,-.6666666666666667
817,2,-.1666666666666667
*EL PRINT
COORD, 
S, 
E, 
*NODE FILE
U, 
*OUTPUT,FIELD
*NODE OUTPUT
U,
*END STEP