*HEADING
DRUCKER-PRAGER/LINEAR ELASTICITY,  CRITERION=EXPONENT, UC TEST, 2D, CPS4
*PREPRINT,ECHO=YES
*PART,NAME=PART-1
*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
*END PART
*ASSEMBLY,NAME=ASSEMBLY-1
*INSTANCE,NAME=PART-1-1,PART=PART-1
*END INSTANCE
*END ASSEMBLY
*MATERIAL,NAME=ALLE
*ELASTIC
300.E3,.3
*DRUCKER PRAGER,SHEAR CRITERION=EXPONENT
1.19175,1.0,,40.0
*DRUCKER PRAGER HARDENING
6.E3,0.
9.E3,.02
11.E3,.063333
12.E3,.11
12.E3,1.
*BOUNDARY
ASSEMBLY-1.PART-1-1.1,PINNED
ASSEMBLY-1.PART-1-1.2,2
ASSEMBLY-1.PART-1-1.4,1
*STEP,INC=20
*STATIC,DIRECT
1.,20.
*BOUNDARY
ASSEMBLY-1.PART-1-1.3,2,,-.2
ASSEMBLY-1.PART-1-1.4,2,,-.2
*EL PRINT
S
SINV
E
PE
EE
*NODE PRINT
U
RF
*END STEP