*HEADING
: SURFACE-BASED PRESSURE PENETRATION TEST 
DEFORMABLE vs. DEFORMABLE SURFACES, CPE8
*RESTART,WRITE, FREQ=1
*NODE
1,1.0,12.0
2,1.0,10.5
3,1.0,9.0
4,1.0,7.5
5,1.0,6.0
6,1.0,4.5
7,1.0,3.0
8,1.0,1.5
9,1.0,0
10,2.0,12.0
11,2.0,10.5
12,2.0,9.0
13,2.0,7.5
14,2.0,6.0
15,2.0,4.5
16,2.0,3.0
17,2.0,1.5
18,2.0,0
31,1.0,11.25
32,1.0,9.75
33,1.0,8.25
34,1.0,6.75
35,1.0,5.25
36,1.0,3.75
37,1.0,2.25
38,1.0,0.75
39,1.5,12.0
40,1.5,10.5
41,1.5,9.0
42,1.5,7.5
43,1.5,6.0
44,1.5,4.5
45,1.5,3.0
46,1.5,1.5
47,1.5,0
48,2.0,11.25
49,2.0,9.75
50,2.0,8.25
51,2.0,6.75
52,2.0,5.25
53,2.0,3.75
54,2.0,2.25
55,2.0,0.75
61,1.0,12.0
62,1.0,10.5
63,1.0,9.0
64,1.0,7.5
65,1.0,6.0
66,1.0,4.5
67,1.0,3.0
68,1.0,1.5
69,1.0,0
70,0.0,12.0
71,0.0,10.5
72,0.0,9.0
73,0.0,7.5
74,0.0,6.0
75,0.0,4.5
76,0.0,3.0
77,0.0,1.5
78,0.0,0
81,0.0,11.25
82,0.0,9.75
83,0.0,8.25
84,0.0,6.75
85,0.0,5.25
86,0.0,3.75
87,0.0,2.25
88,0.0,0.75
89,0.5,12.0
90,0.5,10.5
91,0.5,9.0
92,0.5,7.5
93,0.5,6.0
94,0.5,4.5
95,0.5,3.0
96,0.5,1.5
97,0.5,0
98,1.0,11.25
99,1.0,9.75
100,1.0,8.25
101,1.0,6.75
102,1.0,5.25
103,1.0,3.75
104,1.0,2.25
105,1.0,0.75
*NSET,NSET=NALL
1,2,3,4,5,6,7,8,9,10,
11,12,13,14,15,16,17,18,
31,32,33,34,35,36,37,38,
39,40,41,42,43,44,45,46,
47,48,49,50,51,52,53,54,55
*ELEMENT,TYPE=CPE8,ELSET=BOT
1,1,2,11,10,31,40,48,39
2,11,2,3,12,40,32,41,49
3,4,13,12,3,42,50,41,33
4,13,4,5,14,42,34,43,51
5,15,14,5,6,52,43,35,44
6,16,15,6,7,53,44,36,45
7,7,8,17,16,37,46,54,45
8,8,9,18,17,38,47,55,46
*ELEMENT,TYPE=CPE8,ELSET=TOP
9,62,61,70,71,98,89,81,90
10,63,62,71,72,99,90,82,91
11,73,64,63,72,92,100,91,83
12,74,65,64,73,93,101,92,84
13,74,75,66,65,85,94,102,93
14,75,76,67,66,86,95,103,94
15,67,76,77,68,95,87,96,104
16,68,77,78,69,96,88,97,105
*NSET,NSET=TOP
70,71,72,73,74,75,76,77,78,
81,82,83,84,85,86,87,88
*SOLID SECTION,ELSET=BOT,MATERIAL=MAT
*SOLID SECTION,ELSET=TOP,MATERIAL=MAT
*MATERIAL,NAME=MAT
*ELASTIC
1.E5,0.3
*DENSITY
1.0E-3, 
*surface,NAME=TOPS
9,S1
10,S1
11,S2
12,S2
13,S3
14,S3
15,S4
16,S4
*surface,NAME=BOTS
1,S1
2,S2
3,S4
4,S2
5,S3
6,S3
7,S1
8,S1
*SURFACE INTERACTION,NAME=ISLS
1.0, 
*FRICTION
0., 
*CONTACT PAIR,INTERACTION=ISLS, SMALL SLIDING
BOTS,TOPS
*BOUNDARY
TOP,1,2
NALL,2,2
*STEP,INC=20
*STATIC
0.1,1
*BOUNDARY
10,1,1,-6.468E-3
48,1,1,-7.654E-3
11,1,1,-9.056E-3
49,1,1,-10.716E-3
12,1,1,-12.679E-3
50,1,1,-15.0E-3
13,1,1,-17.75E-3
51,1,1,-20.993E-3
14,1,1,-24.85E-3
52,1,1,-20.993E-3
15,1,1,-17.75E-3
53,1,1,-15.0E-3
16,1,1,-12.679E-3
54,1,1,-10.716E-3
17,1,1,-9.056E-3
55,1,1,-7.654E-3
18,1,1,-6.468E-3
*CONTACT FILE,SLAVE=BOTS,MASTER=TOPS
CSTRESS,
*CONTACT PRINT,SLAVE=BOTS,MASTER=TOPS
CSTRESS,
*ENDSTEP
*STEP, INC=20
*STATIC
0.01,1
*PRESSURE PENETRATION,SLAVE=BOTS,MASTER=TOPS
1,61,800
9,69,800
*CONTACT PRINT,SLAVE=BOTS,MASTER=TOPS,TOTAL=YES,FREQ=1
CSTRESS,PPRESS,CDISP
**CONTACT FILE,SLAVE=BOTS,MASTER=TOPS,FREQ=1
**CSTRESS,PPRESS,CDISP
*PRINT,CONTACT=YES
*Output, field
*CONTACTOUTPUT,SLAVE=BOTS,MASTER=TOPS
CSTRESS,PPRESS
*ENDSTEP
*STEP, INC=20
*STATIC
0.01,1
*PRESSURE PENETRATION,SLAVE=BOTS,MASTER=TOPS
1,61,900
9,69,900
*CONTACT PRINT,SLAVE=BOTS,MASTER=TOPS,TOTAL=YES,FREQ=1
CSTRESS,PPRESS,CDISP
**CONTACT FILE,SLAVE=BOTS,MASTER=TOPS,FREQ=1
**CSTRESS,PPRESS,CDISP
*PRINT,CONTACT=YES
*Output, field
*CONTACTOUTPUT,SLAVE=BOTS,MASTER=TOPS
CSTRESS,PPRESS
*ENDSTEP