*HEADING
DRUCKER-PRAGER/LINEAR ELASTICITY, K=.78 TRIAXIAL EXTENSION TEST, CAX4
*NODE,NSET=ALLN
1,0.,0.
2,1.,0.
3,1.,1.
4,0.,1.
*ELEMENT,TYPE=CAX4,ELSET=ALLE
1,1,2,3,4
*SOLID SECTION,ELSET=ALLE,MATERIAL=ALLE
*MATERIAL,NAME=ALLE
*ELASTIC
300.E3,.3
*DRUCKER PRAGER
40.,.78,40.
*DRUCKER PRAGER HARDENING
6.E3,0.
9.E3,.02
11.E3,.063333
12.E3,.11
12.E3,1.
*BOUNDARY
1,PINNED
2,2
4,1
*INITIAL CONDITIONS,TYPE=STRESS
ALLE,-5000.,-5000.,-5000.
*STEP,INC=1
*GEOSTATIC
1.,1.
*DLOAD
1,P2,5000.
1,P3,5000.
*EL PRINT
S, 
SINV, 
E, 
PE, 
EE, 
*NODE PRINT
U, 
RF, 
*OUTPUT,FIELD,FREQ=10
*ELEMENT OUTPUT
S,E,PE
*END STEP
*STEP,INC=20
*STATIC,DIRECT
1.,20.
*BOUNDARY
3,2,,.2
4,2,,.2
*END STEP