*HEADING
EC38SIP2: THREE-DIMENSIONAL SOLID PATCH TEST  [C3D8I]
*PREPRINT,ECHO=YES,HISTORY=NO,MODEL=NO
*NODE
10,0.,0.,1.E3
20,1.E3,0.,1.E3
120,1.E3,0.,0.
110,0.,0.,0.
100,0.32E3,0.186E3,0.643E3
202,0.677E3,0.305E3,0.683E3
302,.826E3,.288E3,.288E3
400,.249E3,.342E3,.192E3
102,.165E3,.745E3,.702E3
200,.788E3,.693E3,.644E3
300,.850E3,.649E3,.263E3
402,.273E3,.750E3,.230E3
12,0,1E3,1E3
22,1E3,1E3,1E3
320,1E3,1E3,0
420,0,1E3,0
*NSET,NSET=SIDES
10, 
20, 
110, 
120, 
12, 
22, 
320, 
420, 
*ELEMENT,TYPE=C3D8I, ELSET=EALL
1,10,20,120,110,100,202,302,400
2,10,100,400,110,12,102,402,420
3,100,202,302,400,102,200,300,402
4,202,20,120,302,200,22,320,300
5,102,200,300,402,12,22,320,420
6,302,120,110,400,300,320,420,402
7,20,202,100,10,22,200,102,12
*ELSET,ELSET=EL3
 3, 
*SOLID SECTION,MATERIAL=A1, ELSET=EALL
*MATERIAL,NAME=A1
*ELASTIC,TYPE=ISOTROPIC
1.E6,.25
*STEP,PERTURBATION
*STATIC
*BOUNDARY
10,1,,.5
10,2,,.5
10,3,,1.
20,1,,1.5
20,2,,1.
20,3,,1.5
120,1,,1.
120,2,,.5
120,3,,.5
110,1,3
12,1,,1.
12,2,,1.5
12,3,,1.5
22,1,,2.
22,2,,2.
22,3,,2.
320,1,,1.5
320,2,,1.5
320,3,,1.
420,1,,.5
420,2,,1.
420,3,,.5
*ENERGY FILE
*ENERGY PRINT
*EL PRINT
 S,
 E,
 EVOL,
*EL PRINT,POSITION=NODES
 S,
 E,
*EL PRINT,POSITION=AVERAGED AT NODES
 S,
 E,
*EL PRINT,POSITION=CENTROID
 S,
 E,
*EL FILE
 S,
 E,
*EL FILE,POSITION=NODES
 S,
 E,
*EL FILE,POSITION=AVERAGED AT NODES
 S,
 E,
*EL FILE,POSITION=CENTROID
 S,
 E,
*END STEP
*STEP,NLGEOM
*STATIC
*DLOAD
1, P1, -10000.
2, P6, -10000.
4, P4, -10000.
5, P2, -10000.
6, P4, -10000.
7, P6, -10000.
*BOUNDARY
10,1,2
110,1,3
120,2,3
420,1
420,3
*ENERGY FILE
*EL PRINT,SUMMARY=NO,ELSET=EL3
S,
E,
*EL FILE,ELSET=EL3
S,
E,
*NODE PRINT,SUMMARY=NO
U,RF
*NODE FILE
U,RF
*END STEP
*STEP,PERTURBATION
*STATIC
*BOUNDARY
10,1,,.5
10,2,,.5
10,3,,1.
20,1,,1.5
20,2,,1.
20,3,,1.5
120,1,,1.
120,2,,.5
120,3,,.5
110,1,3
12,1,,1.
12,2,,1.5
12,3,,1.5
22,1,,2.
22,2,,2.
22,3,,2.
320,1,,1.5
320,2,,1.5
320,3,,1.
420,1,,.5
420,2,,1.
420,3,,.5
*ENERGY FILE
*ENERGY PRINT
*EL PRINT
 S,
 E,
*EL PRINT,POSITION=NODES
 S,
 E,
*EL PRINT,POSITION=AVERAGED AT NODES
 S,
 E,
*EL PRINT,POSITION=CENTROID
 S,
 E,
*EL FILE
 S,
 E,
*EL FILE,POSITION=NODES
 S,
 E,
*EL FILE,POSITION=AVERAGED AT NODES
 S,
 E,
*EL FILE,POSITION=CENTROID
 S,
 E,
*END STEP
**
** This step is not part of the patch test.
** It has been added to protect against
** bug v58_855, which causes convergence
** difficulties for severly distorted elements
*STEP,NLGEOM
*STATIC
*BOUNDARY,OP=NEW
10,1,3
20,1,3
110,1,3
*END STEP