*HEADING
: VERIFICATION OF INITIAL CURVATURE OF BEAMS AND SHELLS  [S4]
GAUSS INTEGRATION USING 3 SECTION POINTS
*RESTART, WRITE
*NODE
*NGEN,LINE=C
*ELEMENT,TYPE=S4, ELSET=EALL
*ELGEN, ELSET=EALL
*SHELL SECTION,MATERIAL=A1, ELSET=EALL, SECTION=GAUSS
 0.5,3
*MATERIAL,NAME=A1
*ELASTIC,TYPE=ISOTROPIC
 30.0E6,0.3
*BOUNDARY
 1,1,6
 11,1,6
*INITIAL CONDITIONS,TYPE=STRESS,SECTION POINTS
EALL,1,1.,1.,1.
EALL,2,1.,1.,1.
EALL,3,1.,1.,1.
*STEP,PERTURB
*STATIC
*CLOAD
 9,1, 12.5
19,1, 12.5
*EL PRINT,FREQ=0
*OUTPUT,FIELD
*ELEMENT OUTPUT
 SF,
*END STEP