*HEADING
RATE DEPENDENT HILL PLASTICITY, UNIAXIAL TENSION DIRECTION 1, C3D8
AND MULTIPLE LOAD CASES TEST FOR HILL'S PLASTICITY
*NODE,NSET=ALLN
*ELEMENT,TYPE=C3D8,ELSET=ALLE
**local orientation matching global system
*ORIENTATION,NAME=RECT
*SOLID SECTION,ELSET=ALLE,MATERIAL=ALLE,ORIENT=RECT
*MATERIAL,NAME=ALLE
*ELASTIC
200.E3,.3
*PLASTIC
200.,0.
220.,.0009
220.,.0029
*POTENTIAL
*RATE DEPENDENT,TYPE=YIELD RATIO
*BOUNDARY
1,PINNED
2,2
5,2
6,2
4,1
5,1
8,1
2,3
3,3
*STEP,INC=20
*STATIC,DIRECT
1.E-3,20.E-3
*BOUNDARY
7,1,,.004
2,1,,.004
6,1,,.004
3,1,,.004
*EL PRINT
S,
SINV,
E,
PE,
EE,
*NODE PRINT
U,RF
*END STEP
**
*STEP,perturbation
*STATIC
1,1
*LOAD CASE,name=STRETCH-1
*BOUNDARY
7,1,,.004
2,1,,.004
6,1,,.004
3,1,,.004
*END LOAD CASE
*LOAD CASE,name=STRETCH-2
*BOUNDARY
7,1,,.008
2,1,,.008
6,1,,.008
3,1,,.008
*END LOAD CASE
*EL PRINT
S,
SINV,
E,
PE,
EE,
*NODE PRINT
U,RF
*END STEP