*HEADING
USER-DEFINED FIELD VERIFICATION: HYPOELASTICITY [S4R & S4]
*RESTART,WRITE
*NODE,NSET=NALL
1,0.
2,1.
3,1.,1.
4,0.,1.
**
11,0.,3.
12,1.,3.
13,1.,4.
14,0.,4.
**
21,-3.
22,-2.
23,-2,1.
24,-3,1.
**
31,-3,3.
32,-2,3.
33,-2,4.
34,-3,4.
*NSET,NSET=FIX
1,4,11,14,21,24,31,34
*NSET,NSET=PULL
2,3,12,13,22,23,32,33
*ELEMENT,TYPE=S4R,ELSET=EHYPO
1,1,2,3,4
*ELEMENT,TYPE=S4R,ELSET=EFV
2,11,12,13,14
** S4
*ELEMENT,TYPE=S4,ELSET=EHYPO
3,21,22,23,24
*ELEMENT,TYPE=S4,ELSET=EFV
4,31,32,33,34
*SHELL SECTION,ELSET=EHYPO,MATERIAL=MHYPO
0.05, 
*SHELL SECTION,ELSET=EFV,MATERIAL=MFV
0.05, 
*MATERIAL,NAME=MHYPO
*HYPOELASTIC
1000.,0.,, 0.000E+0
 840.,0.,, 4E-6,
 680.,0.,, 1.6E-5
 520.,0.,, 3.6E-5
 360.,0.,, 6.4E-5
 200.,0.,, 1.0E-4
*MATERIAL,NAME=MFV
*ELASTIC,DEP=1
1000.,0.,0.,0.000
 600.,0.,0.,0.010
*USER DEFINED FIELD
*BOUNDARY
NALL,2,6
FIX,1,1
**
**
*STEP,INC=100,NLGEOM
*STATIC,DIRECT
0.01,1.0
*BOUNDARY
PULL,1,,0.01
*NODE PRINT,FREQ=99
U, 
RF, 
*ELPRINT,FREQ=99
S,E
MISES,FV1
*NODE FILE,FREQ=1
U, 
RF, 
*EL FILE,FREQ=1
1,2,3
S,E
*ENDSTEP