*HEADING
MISES CREEP, LAW=TIME, UNIAXIAL TENSION CREEP, C3D8
MULTIPLE LOAD CASES TEST FOR CREEP MISES
*NODE,NSET=ALLN
1,0.,0.,0.
2,1.,0.,0.
3,1.,1.,0.
4,0.,1.,0.
5,0.,0.,10.
6,1.,0.,10.
7,1.,1.,10.
8,0.,1.,10.
*ELEMENT,TYPE=C3D8,ELSET=SPEC
1,1,2,3,4,5,6,7,8
*SOLID SECTION,ELSET=SPEC,MATERIAL=DATTIM
*MATERIAL,NAME=DATTIM
*ELASTIC
20.E6,.3
*CREEP,LAW=TIME
2.5E-27,5,-0.2
*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,P2,-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,P2,-2000.
*END LOAD CASE
*LOAD CASE,name=initial-2
*DLOAD
1,P1,-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
S,E
*NODE OUTPUT
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,P2,-4000.
*END LOAD CASE
*LOAD CASE,name=final-2
*DLOAD
1,P1,-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
S,E
*NODE OUTPUT
U,RF
*END STEP