*HEADING
RATE DEPENDENT DRUCKER-PRAGER, UNIAXIAL COMPRESSION, CPS4
WITH MULTIPLE LOAD CASES
*NODE,NSET=ALLN
1,0.,0.
2,1.,0.
3,1.,1.
4,0.,1.
*ELEMENT,TYPE=CPS4,ELSET=ALLE
1,1,2,3,4
*SOLID SECTION,ELSET=ALLE,MATERIAL=ALLE
*MATERIAL,NAME=ALLE
*ELASTIC
300.E3,.3
*DRUCKER PRAGER
40.,1.,40.
*DRUCKER PRAGER HARDENING
6.E3,0.
9.E3,.02
11.E3,.063333
12.E3,.11
12.E3,1.
*DRUCKER PRAGER HARDENING,RATE=1000.000
606000.00, 0.0000
909000.00, 0.0200
1111000.00, 0.0633
1212000.00, 0.1100
1212000.00, 1.0000
*BOUNDARY
1,PINNED
2,2
4,1
*STEP,INC=20
*STATIC,DIRECT
1.E-3,20.E-3
*BOUNDARY
3,2,,-.2
4,2,,-.2
*EL PRINT
S, 
SINV, 
E, 
PE, 
EE, 
*NODE PRINT
U, 
RF, 
*OUTPUT,FIELD,FREQ=10
*ELEMENT OUTPUT
S,E,PE
*END STEP


*STEP,PERTURBATION
*STATIC
*LOAD CASE,NAME=stretch
*BOUNDARY,OP=NEW
1,PINNED
2,2
4,1
3,2,,.2
4,2,,.2
*END LOAD CASE
*LOAD CASE,name=compression
*BOUNDARY,OP=NEW
1,PINNED
2,2
4,1
*CLOAD
3,2,-10000
4,2,-10000
*END LOAD CASE
*EL PRINT
S, 
SINV, 
E, 
PE, 
EE, 
*NODE PRINT
U, 
RF, 
*OUTPUT,FIELD,FREQ=10
*ELEMENT OUTPUT
S,E,PE
*NODEOUTPUT
U,RF
*END STEP