*HEADING
 INDIAN  POINT  WITH SPRING SUPPORTS--THREE SUBSTRUCTURE MODEL
 USES 3 SUBSTRUCTURES WITH "*DYNAMIC"
 REQUIRES SUBSTRUCTURE GENERATION FILES indianpoint_rayleigh_3sub_gen1.inp,
 indianpoint_rayleigh_3sub_gen2.inp and indianpoint_rayleigh_3sub_gen3.inp
**
** SUBSTRUCTURE USAGE LEVEL COMMANDS
**
*RESTART,WRITE,FREQUENCY=100
**
** SPRING DEFINITIONS
**
*NODE
*NGEN
*NGEN,LINE=C
*NODE
*NGEN
*NGEN,LINE=C
*NODE
*NGEN
*NGEN,LINE=C
*NODE,NSET=SPRS
*NSET,NSET=NPDR
*ELEMENT,TYPE=SPRINGA,ELSET=FWR11
*ELEMENT,TYPE=SPRINGA,ELSET=FWR13
*ELEMENT,TYPE=SPRINGA,ELSET=FWR14
*ELEMENT,TYPE=SPRINGA,ELSET=FWR17
*ELEMENT,TYPE=SPRINGA,ELSET=FWR18
*ELEMENT,TYPE=SPRINGA,ELSET=FWR20
*ELEMENT,TYPE=SPRINGA,ELSET=FWR21
*ELEMENT,TYPE=SPRINGA,ELSET=FWR23
*ELEMENT,TYPE=SPRINGA,ELSET=FWR25
*ELEMENT,TYPE=SPRINGA,ELSET=FWR24
*ELEMENT,TYPE=SPRINGA,ELSET=FWR27
*ELEMENT,TYPE=SPRINGA,ELSET=FWR28
*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.,
*ELEMENT,TYPE=Z01,ELSET=ZALL, FILE=indianpoint_rayleigh_3sub_gen1
*ELEMENT,TYPE=Z02,ELSET=ZALL, FILE=indianpoint_rayleigh_3sub_gen2
*ELEMENT,TYPE=Z03,ELSET=ZALL, FILE=indianpoint_rayleigh_3sub_gen3
*SUBSTRUCTURE PROPERTY, ELSET=ZALL
*NSET,NSET=SUP1
*NSET,NSET=SUP2
*NSET,NSET=SUP3
*NSET,NSET=SUPALL
SUP1,SUP2,SUP3
*NSET,NSET=SMALL
*STEP
  SNAP LOAD---APPLIED STATICALLY
*STATIC
*BOUNDARY
1,1,6
76,1,6
70,1
70,2
10,2
SPRS,1,3
*CLOAD
25,3,7000.
*EL PRINT,ELSET=SPRINGS,FREQUENCY=100
S,E
*NODE PRINT,NSET=SMALL
U,
*NODE FILE,NSET=SMALL
U,
*OUTPUT,FIELD
*NODE OUTPUT,NSET=SMALL
U,
*END STEP
*STEP,INC=1000
 RELEASE LOAD
*DYNAMIC,DIRECT
0.01,10.0
*CLOAD,OP=NEW
*PRINT,RESIDUAL=NO,FREQUENCY=100
*NODE PRINT,NSET=SMALL,FREQUENCY=100
U,
*NODE FILE,NSET=SMALL,FREQUENCY=100
U,V,A,RF
*EL FILE,ELSET=SPRINGS,FREQUENCY=100
S,
*OUTPUT,FIELD, FREQUENCY=999
*NODE OUTPUT,NSET=SMALL
U,V,A,RF
*ELEMENT OUTPUT,ELSET=SPRINGS
S,
*OUTPUT,HISTORY,FREQUENCY=100
*NODE OUTPUT,NSET=SMALL
U,V,A,RF
*ELEMENT OUTPUT,ELSET=SPRINGS
S,
*END STEP