*HEADING
PRESSURIZING OF A FLAT RUBBER PLATE (S4R)
*NODE
*NGEN,LINE=C,NSET=C1
*NGEN,LINE=C,NSET=C2
*NGEN,NSET=M1
*NGEN,NSET=M2
*NFILL
 M1,C1,4,1
 M2,C2,4,1
*NGEN
*ELEMENT,TYPE=S4R
*ELGEN,ELSET=EALL
*ELEMENT,TYPE=S4R
*ELGEN,ELSET=EALL
*ELEMENT,TYPE=S4R
*ELGEN,ELSET=EALL
*SHELL SECTION,MATERIAL=M1,ELSET=EALL
 0.5,
*MATERIAL,NAME=M1
*HYPERELASTIC,N=1
 80.0,20.0
*NSET,NSET=XAXIS,GENERATE
*NSET,NSET=YAXIS,GENERATE
*NSET,NSET=HINGE
 C1,C2
*BOUNDARY
 XAXIS,YSYMM
 YAXIS,XSYMM
 HINGE,1,3
*RESTART,WRITE,FREQUENCY=2
*ELSET,ELSET=E1016
*NSET,NSET=N4401
*STEP,NLGEOM,INC=18
*STATIC,RIKS
.01,1.0,.00001,1.0,1.0,4401,1,10000.
*DLOAD
EALL,P,2.E+2
*MONITOR,NODE=4401,DOF=3
*EL PRINT,FREQUENCY=2
 S11,S22,S12
 E11,E22,E12,
 STH,
 DG,
*EL FILE,FREQUENCY=2,ELSET=E1016
LOADS,
S ,
*OUTPUT,FIELD,FREQ=2
*ELEMENT OUTPUT,ELSET=E1016
LOADS,
S,
*EL FILE,ELSET=E1016
STH,
*OUTPUT,FIELD
*ELEMENT OUTPUT,ELSET=E1016
STH,
*NODE FILE,NSET=N4401
U ,
*OUTPUT,FIELD
*NODE OUTPUT,NSET=N4401
U,
*END STEP