*HEADING
  BASIC VERIFICATION OF CREEP (CREEP TEST)   
*NODE
 1,1.,0.
 8,8.,0.
 101,1.,10.
 108,8,10.
*NGEN,NSET=BOT
 1,8
*NGEN,NSET=TOP
101,108
*NSET,NSET=LEFT
1,101,3,103,5,105,7,107
*ELEMENT,TYPE=CPS4
 1,1,2,102,101
*ELGEN
1,4,2
*ELSET,ELSET=DATTIM
1, 
*ELSET,ELSET=DATSTR
2, 
*ELSET,ELSET=USETIM
3, 
*ELSET,ELSET=USESTR
4, 
*ELSET,ELSET=CREEPERS
1,2,3,4
*SOLID SECTION,ELSET=DATTIM,MATERIAL=A1
*MATERIAL,NAME= A1
*ELASTIC
20E6,.3
*CREEP,LAW=TIME
2.5E-27,5,-0.2
*SOLID SECTION,ELSET=DATSTR,MATERIAL=A2
*MATERIAL,NAME= A2
*ELASTIC
20E6,.3
*CREEP,LAW=STRAIN
2.5E-27,5,-0.2
*SOLID SECTION,ELSET=USETIM,MATERIAL=A3
*MATERIAL,NAME= A3
*ELASTIC
20E6,.3
*CREEP,LAW=USER
*SOLID SECTION,ELSET=USESTR,MATERIAL=A4
*MATERIAL,NAME= A4
*ELASTIC
20E6,.3
*CREEP,LAW=USER
*DEPVAR
2, 
*BOUNDARY
BOT,2
LEFT,1
*****
*****
*RESTART,WRITE,FREQUENCY=20

*STEP
**          STEP 1 ----- ELASTIC LOADING
*STATIC
1.0E-7,1.0E-7
*DLOAD
1,P3,-20000.
2,P3,-20000.
3,P3,-20000.
4,P3,-20000.
*EL FILE,FREQUENCY=20
SDV, 
S, 
CE, 
*END STEP
*STEP,INC=250
**          STEP 2 ----- CREEP TEST
*VISCO,CETOL=5E-6
.01,100000.,1.E-3
*PRINT,FREQUENCY=5,RESIDUAL=NO
*EL PRINT,ELSET=CREEPERS,FREQUENCY=20,POSITION=CENTROID,SUMMARY=NO
SDV,S
CE, 
*EL FILE,ELSET=CREEPERS,FREQUENCY=20,POSITION=CENTROID
SDV,S,CE,
*NODE PRINT,FREQUENCY=20
RF, 
*END STEP