*HEADING
: RATE DEPENDENT POROUS PLASTICITY, UNIAXIAL TENSION TEST, C3D8
WITH LINEAR PERTURBATIONS
*NODE,NSET=ALLN
*ELEMENT,TYPE=C3D8,ELSET=ALLE
*SOLID SECTION,ELSET=ALLE,MATERIAL=ALLE
*MATERIAL,NAME=ALLE
*ELASTIC
200.E3,.3
*PLASTIC
200.,0.
220.,.0009
220.,.0029
*RATE DEPENDENT,TYPE=POWER LAW
*POROUS METAL PLASTICITY,RELATIVE DENSITY=0.95
***Q1,Q2,Q3
*STEP,INC=10
STEP 1 - NONLINEAR
*STATIC,DIRECT
1.E-3,10.E-3
*BOUNDARY
1,PINNED
2,2
5,2
6,2
4,1
5,1
8,1
2,3
3,3
*EL PRINT
S,
SINV,
E,
PE,
EE,
VVF,
*NODE PRINT
U,RF
*OUTPUT,FIELD,FREQ=10
*ELEMENT OUTPUT
S,E,PE,VVF
*END STEP
*STEP,PERTURBATION,INC=1
STEP 2 - LINEAR PERTURBATION
*STATIC,DIRECT
.1E-3,.1E-3
*BOUNDARY
1,PINNED
2,2
5,2
6,2
4,1
5,1
8,1
2,3
3,3
*EL PRINT
S,
SINV,
E,
VVF,
*NODE PRINT
U,RF
*OUTPUT,FIELD,FREQ=10
*ELEMENT OUTPUT
S,E,VVF
*END STEP
*STEP,INC=10
STEP 3 - REST OF NONLINEAR
*STATIC,DIRECT
1.E-3,10.E-3
*BOUNDARY
7,3,,.004
5,3,,.004
6,3,,.004
8,3,,.004
*END STEP
*STEP,PERTURBATION,INC=1
STEP 4 - LINEAR PERTURBATION
*STATIC,DIRECT
.1E-3,.1E-3
*BOUNDARY
1,PINNED
2,2
5,2
6,2
4,1
5,1
8,1
2,3
3,3
*EL PRINT
S,
SINV,
E,
VVF,
*NODE PRINT
U,RF
*OUTPUT,FIELD,FREQ=10
*ELEMENT OUTPUT
S,E,VVF
*END STEP