*HEADING
 INDIAN  POINT  WITH SPRING SUPPORTS--SUBSTRUCTURE TEST
 1 SUBSTRUCTURE "*MODAL DYNAMIC" FOR TIME HISTORIES
 REQUIRES SUBSTRUCTURE GENERATION FILE indianpoint_1sub_gen1.inp
*NODE
1, 0., 423., -234.96
3, 0., 423., -150.96
5, 0., 435., -138.96
6, 0., 474., -138.96
8, 0., 486., -126.96
10, 0., 486., -75.96
11, 0., 486., -51.96
12, 0., 486., -18.00
13, 0., 486., 9.00
15, 0., 486., 144.5
16, 0., 486., 159.
18, 8.484, 494.484, 171.
19, 8.484,494.484,171.
21, 16.93, 497.96, 171.
22, 19.8125, 497.96 , 171.
23, 29.125 ,497.96, 171.
25, 200.72, 497.96, 171.00
27, 260.72, 497.96, 171.
29, 272.72, 509.96, 171.00
31, 272.72, 569.964, 171.00
33, 280.44, 581.96, 180.19
35, 330.1 , 581.96, 239.3
36, 335.21, 581.96, 245.46
38, 342.91, 593.96, 254.65
39, 342.91 , 628. , 254.65
40, 342.91, 660., 254.65
42, 342.91, 706., 254.65
44, 340.22, 714.48, 256.91
46, 296.57, 771.47, 293.54
48, 282.36, 779.95, 289.80
49, 278.50, 779.95, 285.20
50,274.644, 779.95, 280.61
52, 266.93, 791.95, 271.42
53, 266.93, 801., 271.42
54, 266.93, 876.00, 271.42
57, 266.93, 1000.27, 271.42
59, 278.88, 1012.27, 272.46
61, 335.26, 1012.27, 277.39
63, 343.40, 1012.27, 281.64
64, 366.97, 1012.27, 309.73
65, 369.52, 1012.27, 312.76
66, 379.16, 1012.27, 324.25
67, 388.8, 1012.27, 335.74
68, 389.11, 1012.27, 336.11
70, 396.83, 1024.27, 345.3
71, 396.83, 1027.27, 345.3
72, 396.83, 1033.27, 345.3
73, 396.83, 1040.95, 345.3
75, 389.93, 1049.95, 351.08
76, 380.74, 1049.95, 358.8
*NSET,NSET=ANCHOR
1,76
*NSET,NSET=MIDSPN1
2,4,7,10,11,14
*NSET,NSET=MIDSPN2
19,25,28,27,31
*NSET,NSET=MIDSPN3
45,50,55,60,63,66,70,74
*NGEN
1,3
8,10
13,15
23,25
25,27
29,31
33,35
40,42
44,46
54,57
59,61
*NGEN,LINE=C
3,5,1,, 0., 435., -150.96
6,8,1,, 0., 474., -126.96
16,18,1,, 8.484, 494.48, 159.00
19, 21,1,, 16.932, 485.96, 171.00
27,29,1,, 260.724, 509.96, 171.00
31,33,1,, 280.44, 569.96, 180.19
36,38,1,, 335.21, 593.96, 245.46
42,44,1,, 333.71, 706.00, 262.37
46,48,1,, 288.85, 771.47, 284.35
50,52,1,, 274.64, 791.95, 280.61
57,59,1,, 278.88, 1000.27, 272.46
61,63,1,, 334.21, 1012.27, 289.34
68,70,1,, 389.11, 1024.27, 336.11
73,75,1,, 389.93, 1040.95, 351.08
**
** SPRING DEFINITIONS
**
*NODE,NSET=SPRS
115,  24.91, 475.93, 144.5
122, 19.81,  497.96,  219.5
123, 29.13,  597.41, 160.55
135, 299.94,  555.,  239.30
235, 330.10,  599.46, 239.30
139, 364.74,  628.00, 220.25
239, 359.58,  628.00, 291.83
149,278.50,  792.45,  285.20
153, 321.48, 801.00,  318.12
253, 314.43, 801.00,  212.09
156, 311.81, 990.96,  215.36
256,290.46, 1008.88, 299.46
*ELEMENT,TYPE=SPRINGA,ELSET=FWR11
1001,15,115
*ELEMENT,TYPE=SPRINGA,ELSET=FWR13
1002,22,122
*ELEMENT,TYPE=SPRINGA,ELSET=FWR14
1003,23,123
*ELEMENT,TYPE=SPRINGA,ELSET=FWR17
1004,35,135
*ELEMENT,TYPE=SPRINGA,ELSET=FWR18
1005,35,235
*ELEMENT,TYPE=SPRINGA,ELSET=FWR20
1006,39,139
*ELEMENT,TYPE=SPRINGA,ELSET=FWR21
1007,39,239
*ELEMENT,TYPE=SPRINGA,ELSET=FWR23
1008,49,149
*ELEMENT,TYPE=SPRINGA,ELSET=FWR25
1009,53,153
*ELEMENT,TYPE=SPRINGA,ELSET=FWR24
1010,53,253
*ELEMENT,TYPE=SPRINGA,ELSET=FWR27
1011,56,156
*ELEMENT,TYPE=SPRINGA,ELSET=FWR28
1012,56,256
*ELSET,ELSET=SPRINGS
FWR11, FWR13, FWR14, FWR17, FWR18, FWR20,
FWR21, FWR23, FWR24, FWR25, FWR27, FWR28
*SPRING,ELSET=FWR11

17700., 
*SPRING,ELSET=FWR13

119600., 
*SPRING,ELSET=FWR14

403000., 
*SPRING,ELSET=FWR17

97900., 
*SPRING,ELSET=FWR18

228000., 
*SPRING,ELSET=FWR20

86300., 
*SPRING,ELSET=FWR21

86300., 
*SPRING,ELSET=FWR23

319000., 
*SPRING,ELSET=FWR24

56800., 
*SPRING,ELSET=FWR25

39100., 
*SPRING,ELSET=FWR27

55500., 
*SPRING,ELSET=FWR28

68000., 
*BOUNDARY
1,1,6
76,1,6
70,1
10,2
SPRS,1,3
MIDSPN1,3,3
MIDSPN2,1,1
MIDSPN3,2,2
*NSET,NSET=SUP1
1,2,4,7,10,11,14,15,19,22,23,25,27,28,31,
35,39,45,49,50,53,55,56,60,63,66,70,74,76
*NSET,NSET=SMALL
1,25,27,45,55
*ELEMENT,TYPE=Z01,ELSET=ZUP1, FILE=indianpoint_1sub_gen1
101,1,2,4,7,10,11,14,15,19,22,23,25,27,28,31,
35,39,45,49,50,53,55,56,60,63,66,70,74,76
*SUBSTRUCTURE PROPERTY, ELSET=ZUP1
*STEP
    FREQUENCY EXTRACTION
*FREQUENCY, eigensolver=lanczos, SIM=NO
24, , 
*NODE PRINT,NSET=SMALL
U, 
*ELEMENT MATRIX OUTPUT,ELSET=ZUP1,STIFFNESS=YES,MASS=YES,FREQUENCY=1
*MODAL FILE
*END STEP
*STEP,PERTURBATION
  SNAP LOAD---APPLIED STATICALLY
*STATIC
*EL PRINT,ELSET=SPRINGS
S,E
*CLOAD
25,3,7000.
*NODE PRINT,NSET=SMALL,FREQUENCY=10
U, 
*ELEMENT MATRIX OUTPUT,ELSET=ZUP1,STIFFNESS=YES,MASS=YES,FREQUENCY=0
*END STEP
*STEP
 RELEASE LOAD
*MODAL DYNAMIC,CONTINUE=YES
 0.02,10.0
*MODAL DAMPING,MODAL=DIRECT
 1,24,0.028
*PRINT,FREQUENCY=100
*EL FILE,ELSET=SPRINGS,FREQUENCY=100
S,
*EL PRINT,ELSET=SPRINGS,FREQUENCY=100
S,
*NODE FILE,NSET=SMALL,FREQUENCY=100
U,
V,
A, 
*NODE PRINT,NSET=SMALL,FREQUENCY=100
U,
V,
A,
*OUTPUT,FIELD, FREQUENCY=999
*ELEMENT OUTPUT,ELSET=SPRINGS
S,
*NODE OUTPUT,NSET=SMALL
U,
V,
A, 
*OUTPUT,HISTORY,FREQUENCY=100
*ELEMENT OUTPUT,ELSET=SPRINGS
S,
*NODE OUTPUT,NSET=SMALL
U,
V,
A, 
*END STEP