*HEADING
 SUBSTRUCTURE GENERATION FILE USED BY psupbm2.inp
*NODE
1,
201,    , 10.
999, 10.,  0.
*NGEN
1,201,20
*NSET,NSET=PR
1,201
*ELEMENT,TYPE=B31
1,1,21,999
*ELGEN,ELSET=BEAM1
1 , 10, 20, 20
*ELSET,ELSET=PR
41,
*BEAM SECTION,SECT=RECT,ELSET=BEAM1,MATERIAL=MAT1
1.0,1.0
*MATERIAL,NAME=MAT1
*ELASTIC
2.1E11, 0.3
*STEP
*SUBSTRUCTURE GENERATE,TYPE=Z1,OVERWRITE
*RETAINED NODAL DOFS
1, 1,6
*SUBSTRUCTURE LOAD CASE,NAME=S1
*CLOAD
201 , 2, -200.
*END STEP