*HEADING
 INDIAN POINT WITH SPRING SUPPORTS--THREE SUBSTRUCTURE MODEL
 SECOND SUBSTRUCTURE GENERATION
**
*NODE
*NGEN
*NGEN,LINE=C
*ELEMENT,TYPE=B31
*ELGEN,ELSET=BEAMS
*ELSET,ELSET=D8
*ELSET,ELSET=D8E
*BEAM GENERAL SECTION,ELSET=D8 ,SECTION=GENERAL ,DENSITY= .0010691
12.763 , 105.317 , , 105.317 , 210.635
1. , , -1.
27.9E6 , 10.73E6
*ELSET,ELSET=D8E
*BEAM GENERAL SECTION,ELSET=D8E,SECTION=GENERAL  ,DENSITY=.0010691
12.763 , 50.439 , , 50.439 , 210.635
1. , , -1.
27.9E6 , 10.73E6
**
**
*STEP
*SUBSTRUCTURE GENERATE,TYPE=Z2,LIBRARY=substr2,MASS MATRIX=YES,OVERWRITE
*RETAINED NODAL DOFS
*SUBSTRUCTURE MATRIX OUTPUT, STIFFNESS=YES, MASS=YES
*END STEP