*HEADING
TEST INFINITE ELEMENTS WITH INITIAL STRESS
3D VERSION, CONSTRAINED TO GIVE PLANE STRAIN RESULTS
**
**  Small model: Infinite elements for far field.
**
*NODE,NSET=ALL
   1,  0., 0.,-10.
  11,  0.,10.,-10.
1001,  0., 0., 0.
1011,  0.,10., 0.
10001, 1., 0.,-10.
10011, 1.,10.,-10.
11001, 1., 0., 0.
11011, 1.,10., 0.
*NGEN,NSET=A
1,11,1
10001,10011,1
*NGEN,NSET=B
1001,1011,1
11001,11011,1
*NFILL,NSET=ALL
A,B,10,100
*NODE,NSET=ALL
2001, 0., 0.,-12.
2011, 0.,12.,-12.
3011, 0.,12.,  0.
12001, 1.,  0.,-12.
12011, 1., 12.,-12.
13011, 1., 12.,  0.
*NGEN,NSET=ALL
2001,2011,1
2011,3011,100
12001,12011,1
12011,13011,100
*NSET,NSET=SYM,GEN
1,1001,100
10001,11001,100
*ELEMENT,TYPE=C3D8R,ELSET=SOL1
1, 1,2,102,101, 10001,10002,10102,10101
*ELGEN,ELSET=SOL1
1, 10,1,1, 10,100,10
*ELEMENT,TYPE=CIN3D8,ELSET=INF
201, 10002,10001, 1,  2, 12002,12001,2001,2002
211, 10111,10011,11,111, 12111,12011,2011,2111
*ELGEN,ELSET=INF
201, 10,1,1
211, 10,100,1
**
**  Extended model: Far field modeled using an extended solid mesh.
**
*NODE,NSET=ALL
20001, 0., 0.,-33.
20021, 0.,20.,-33.
22001, 0., 0.,-13.
22021, 0.,20.,-13.
30001, 1., 0.,-33.
30021, 1.,20.,-33.
32001, 1., 0.,-13.
32021, 1.,20.,-13.
*NGEN,NSET=AX
20001,20021,1
30001,30021,1
*NGEN,NSET=BX
22001,22021,1
32001,32021,1
*NFILL,NSET=ALL
AX,BX,20,100
*NSET,NSET=SYM,GEN
20001,22001,100
20021,22021,100
30001,32001,100
30021,32021,100
*ELEMENT,TYPE=C3D8R,ELSET=SOL2
1001, 20001,20002,20102,20101, 30001,30002,30102,30101
*ELGEN,ELSET=SOL2
1001, 20,1,1, 20,100,20
*ELSET,ELSET=VIEW,GEN
1,100,1
1201,1210,1
1221,1230,1
1241,1250,1
1261,1270,1
1281,1290,1
1301,1310,1
1321,1330,1
1341,1350,1
1361,1370,1
1381,1390,1
**
*SOLID SECTION,ELSET=SOL1,MATERIAL=MAT
*SOLID SECTION,ELSET=SOL2,MATERIAL=MAT
*SOLID SECTION,ELSET=INF ,MATERIAL=MAT
*MATERIAL,NAME=MAT
*DENSITY
1000., 
*ELASTIC
1.E9,.3
*DRUCKER PRAGER
40.,0.9,0.
*DRUCKER PRAGER HARDENING
5.E3,
*BOUNDARY
SYM,2,2
AX ,3,3
ALL,1,1
*ELSET,ELSET=LOAD
91,92,93, 1381,1382,1383
*INITIAL CONDITIONS, TYPE=STRESS, GEOSTATIC
SOL1, 0.,  0.,  -9.8E4, -10., 1.,1.
SOL2, 0.,-13., -19.6E4, -33., 1.,1.
**
**
*NSET, NSET=QA_TEST_ALLNODES
ALL, A, B, ALL
ALL, ALL, SYM, ALL
AX, BX, ALL, SYM
**
*STEP
*DYNAMIC,EXPLICIT
,5.E-3
*DLOAD
 SOL1,GRAV,9.8, 0., 0.,-1.
 SOL2,GRAV,9.8, 0., 0.,-1.
**
*FILE OUTPUT,TIMEMARKS=YES,NUMBER INTERVAL=1
*NODE FILE
 U, 
*OUTPUT, FIELD, TIMEMARKS=YES, NUMBER INTERVAL=1
*NODE OUTPUT, NSET=QA_TEST_ALLNODES
 U, 
*OUTPUT,FIELD,VARIABLE=PRESELECT
*OUTPUT,HISTORY,VARIABLE=PRESELECT,TIMEINT=0.005
***OUTPUT,HISTORY,VARIABLE=PRESELECT
*END STEP
**
*STEP
*DYNAMIC,EXPLICIT
,8.E-3
*DLOAD
 LOAD,P5,2.E5
*DLOAD
 SOL1,GRAV,9.8, 0., 0.,-1.
 SOL2,GRAV,9.8, 0., 0.,-1.
*FILE OUTPUT,TIMEMARKS=YES,NUMBER INTERVAL=1
*NODE FILE
 U, 
*OUTPUT, FIELD, TIMEMARKS=YES, NUMBER INTERVAL=1
*NODE OUTPUT, NSET=QA_TEST_ALLNODES
 U, 
*OUTPUT,FIELD,VARIABLE=PRESELECT
*OUTPUT,HISTORY,VARIABLE=PRESELECT,TIMEINT=0.008
*END STEP