*HEADING
USER-DEFINED FIELD VERIFICATION: PLASTICITY [S4R & S4]
*RESTART,WRITE
*NODE
1, 30.,0.,0.
17, 30.,0.,15.
401, 90.,0.,0.
417, 90.,0.,15.
1001, -60.,0.,0.
1017, -60.,0.,15.
1401, 0.,0.,0.
1417, 0.,0.,15.
*NGEN
1,17
401,417
1001,1017
1401,1417
*NGEN,NSET=BND2
1,401,100
1001,1401,100
*NGEN,NSET=BND4
17,417,100
1017,1417,100
*NFILL,NSET=NPEEQ
BND2,BND4,4,4
*NCOPY,CHANGE NUMBER=500,OLDSET=NPEEQ,SHIFT,NEWSET=NFV
0.,12.,0.

*NSET,NSET=FIX,GEN
1,17
501,517
1001,1017
1501,1517
*NSET,NSET=NPRINT,GEN
1,17,4
501,517,4
401,417,4
901,917,4
1001,1017,4
1501,1517,4
1401,1417,4
1901,1917,4
*ELEMENT,TYPE=S4R
1,1,5,105,101
21,501,505,605,601
*ELEMENT,TYPE=S4
1001,1001,1005,1105,1101
1201,1501,1505,1605,1601
*ELGEN,ELSET=EPEEQ
1,4,4,1,4,100,4
1001,4,4,1,4,100,4
*ELGEN,ELSET=EFV
21,4,4,1,4,100,4
1201,4,4,1,4,100,4
*ELSET,ELSET=EPRINT
2,22
*SHELL SECTION,ELSET=EPEEQ,MATERIAL=MPEEQ
3.,7
*SHELL SECTION,ELSET=EFV,MATERIAL=MFV
3.,7
*MATERIAL,NAME=MPEEQ
*ELASTIC
27.E6,.3
*PLASTIC
35000.,0.
40000.,.0035
43750.,.0083
46250.,.0133
50000.,.0182
52500.,.0281
55000.,.0380
215000.,1.000
*DENSITY
0.282, 
*MATERIAL,NAME=MFV
*ELASTIC
27.E6,.3
*PLASTIC,DEP=1
35000. ,,,0.
40000. ,,,.0035
43750. ,,,.0083
46250. ,,,.0133
50000. ,,,.0182
52500. ,,,.0281
55000. ,,,.0380
215000.,,,1.000
*DENSITY
0.282, 
*USER DEFINED FIELD
**
*STEP,NLGEOM,INC=1000
*STATIC,DIRECT
0.01,1.0
*BOUNDARY
FIX,ENCASTRE
*DLOAD
EPEEQ,P,-66.
EFV,P,-66.
*NODE PRINT,FREQ=0
*EL PRINT,FREQ=0
*NODE FILE,NSET=NPRINT, FREQ=0
U,RF
*ELFILE,ELSET=EPRINT, FREQ=25
SINV
PE
FV
*OUTPUT, FIELD, FREQ=25
*ELEMENT OUTPUT, ELSET=EPRINT
S
PE
FV
*OUTPUT, HISTORY, FREQ=0
*END STEP
*STEP,NLGEOM
*FREQUENCY, eigensolver=lanczos
4, , 
*MODAL FILE
*ENDSTEP