*HEADING
USER-DEFINED FIELD VERIFICATION: HYPOELASTICITY [B21]
*NODE,NSET=NALL
1,  0., 0.
2,  1., 0.
11, 0., 0.3
12, 1., 0.3
*ELEMENT,TYPE=B21,ELSET=EHYPO
1,1,2
*ELEMENT,TYPE=B21,ELSET=EFV
2,11,12
*BEAM SECTION,ELSET=EHYPO,MATERIAL=MHYPO,SECTION=CIRC
0.005, 
*BEAM SECTION,ELSET=EFV,MATERIAL=MFV,SECTION=CIRC
0.005, 
*MATERIAL,NAME=MHYPO
*HYPOELASTIC
1000.,0.,0.,0.0E+0
 840.,0.,0.,3.0E-6
 680.,0.,0.,1.2E-5
 520.,0.,0.,2.7E-5
 360.,0.,0.,4.8E-5
 200.,0.,0.,7.5E-5
*MATERIAL,NAME=MFV
*ELASTIC,DEP=1
1000.,0.,0.,0.000
 600.,0.,0.,0.010
*USER DEFINED FIELD
*NSET,NSET=FIX
1,11
*NSET,NSET=PULL
2,12
*BOUNDARY
FIX,ENCASTRE
NALL,2,2
*STEP,NLGEOM,INC=200
*STATIC,DIRECT
0.01,1.0
*BOUNDARY
PULL,1,,0.01
*NODE FILE
U,RF
*OUTPUT,FIELD
*NODE OUTPUT
U,RF
*EL FILE
S,E
*OUTPUT,FIELD
*ELEMENT OUTPUT
S,E
*EL PRINT,FREQ=0
*NODE PRINT,FREQ=0
*ENDSTEP