*HEADING
HILL CREEP, LAW=TIME, UNIAXIAL TENSION CREEP DIRECTION 1, C3D8
MULTIPLE LOAD CASES TEST FOR CREEP/HILL
*NODE,NSET=ALLN
1,0.,0.,0.
2,10.,0.,0.
3,10.,1.,0.
4,0.,1.,0.
5,0.,0.,1.
6,10.,0.,1.
7,10.,1.,1.
8,0.,1.,1.
*ELEMENT,TYPE=C3D8,ELSET=SPEC
1,1,2,3,4,5,6,7,8
**local orientation matching global system 
*ORIENTATION,NAME=RECT
 1.0, 0.0, 0.0, 0.0, 1.0, 0.0
 1, 0.0
*SOLID SECTION,ELSET=SPEC,MATERIAL=DATTIM,ORIENT=RECT
*MATERIAL,NAME=DATTIM
*ELASTIC
20.E6,.3
*CREEP,LAW=TIME
2.5E-27,5,-0.2
*POTENTIAL
1.5,1.2,1.,1.,1.,1.
*BOUNDARY
1,PINNED
2,2
5,2
6,2
4,1
5,1
8,1
2,3
3,3
4,3
*STEP
STEP 1 - STATIC LOAD
*STATIC
1.,1.
*DLOAD
1,P4,-20000.
*PRINT,FREQ=10,RESIDUAL=NO
*EL PRINT,FREQ=10
S,MISES
E, 
CE, 
*NODE PRINT,FREQ=10
U,RF
*OUTPUT,FIELD,FREQ=10
*ELEMENT OUTPUT
S,E,CE
*END STEP
*STEP,PERTURBATION
STEP 2 - INITIAL LINEAR PERTURBATION
*STATIC
.1,.1
*LOAD CASE,name=initial-1
*DLOAD
1,P4,-2000.
*END LOAD CASE
*LOAD CASE,name=initial-2
*DLOAD
1,P2,-2000.
*END LOAD CASE
*PRINT,FREQ=10,RESIDUAL=NO
*EL PRINT,FREQ=10
S,MISES
E, 
*NODE PRINT,FREQ=10
U,RF
*OUTPUT,FIELD,FREQ=10
*ELEMENT OUTPUT,VARIABLE=PRESELECT
**S,E
*NODE OUTPUT,VARIABLE=PRESELECT
**U,RF
*END STEP
*STEP,INC=100
STEP 3 - CREEP
*VISCO,CETOL=5.E-6
.01,100000.,1.E-3
*END STEP
*STEP,PERTURBATION
STEP 4 - FINAL LINEAR PERTURBATION
*STATIC
.1,.1
*LOAD CASE,name=final-1
*DLOAD
1,P4,-4000.
*END LOAD CASE
*LOAD CASE,name=final-2
*DLOAD
1,P2,-4000.
*END LOAD CASE
*PRINT,FREQ=10,RESIDUAL=NO
*EL PRINT,FREQ=10
S,MISES
E, 
*NODE PRINT,FREQ=10
U,RF
*OUTPUT,FIELD,FREQ=10
*ELEMENT OUTPUT,VARIABLE=PRESELECT
**S,E
*NODE OUTPUT,VARIABLE=PRESELECT
**U,RF
*END STEP