*HEADING
 Test import capability:     CPS4R
 UNIAXIAL STRETCHING OF A RUBBER SHEET  
 W/ CIRCULAR HOLE - PLANE STRESS
 BIDERMAN STRAIN ENERGY FUNCTION
 Base for file: sx_x_holehyper.inp
*RESTART,WRITE,FREQUENCY=10
*NODE
1,0.25,0.
33,0.,0.25
1601,3.25,0.
1617,3.25,3.25
1633,0.,3.25
10000,0.,0.
*NGEN,LINE=C
1,33,1,10000
*NGEN
1601,1617,1
1617,1633,1
*NSET,NSET=DOWN,GENERATE
1,33,1
*NSET,NSET=UP,GENERATE
1601,1633,1
*NFILL,BIAS=0.75,NSET=NALL
DOWN,UP,8,200
*NSET,NSET=TOP,GENERATE
1617,1633,2
*NSET,NSET=BOTTOM,GENERATE
1,1601,200
*NSET,NSET=LEFT,GENERATE
33,1633,200
*NSET,NSET=RMPC,GENERATE
1603,1617,2
*NSET,NSET=ONE
1601, 
*ELEMENT,TYPE=CPS4R
1,1,201,203,3
*ELGEN,ELSET=ALLE
1,8,200,1,16,2,8
*ELSET,ELSET=TOPE,GENERATE
72,128,8
*ELSET,ELSET=LEFTE
121,128,8
*ELSET,ELSET=EOUT,GENERATE
122, 128, 1
1, 121, 8
*BOUNDARY
BOTTOM,2
TOP,2
LEFT,1
*EQUATION
2, 
RMPC,1,1.,1601,1,-1.
*MATERIAL,NAME=BIDERMAN
*HYPERELASTIC,N=3
27.02,1.42,-0.27,0.,0.,0.00654,0.,0.
0.0,1.e-3,1.e-3,1.e-3
*DENSITY
9.357E-05, 
*SOLID SECTION,MATERIAL=BIDERMAN,ELSET=ALLE,CONTROLS=HGC
0.079, 
*SECTION CONTROLS,NAME=HGC,HOURGLASS=STIFFNESS
*STEP,NLGEOM,INC=100
*STATIC
.05,1.
*BOUNDARY
1601,1,,7.0
*EL PRINT,ELSET=TOPE,FREQUENCY=1
S,E
*EL PRINT,ELSET=LEFTE,FREQUENCY=5
S,E
*NODE PRINT,NSET=ONE,FREQUENCY=1
U1,RF1
*NODE PRINT,NSET=LEFT,FREQUENCY=1
U2,RF1
*NODE PRINT,NSET=BOTTOM,FREQUENCY=1
U1,RF2
*NODE FILE,FREQUENCY=7
U,
*EL FILE,FREQUENCY=7
S,
*ENERGY PRINT
*ENERGY FILE,FREQUENCY=7
*END STEP