*HEADING
 Restart from rolling analysis: sst_acoustic_roll_sm.res
*RESTART,READ,STEP=2
*preprint,history=yes
*STEP,NLGEOM
 3: EXTRACT EIGENVALUES
*FREQUENCY,EIGENSOLVER=LANCZOS,norm=mass
 200,, 400.0,-1
*BOUNDARY,op=new
TIRE-RIM,1,6
   55,1,6
6055,1,6
*OUTPUT,FIELD,FREQ=1
*NODE OUTPUT
 U,  
*NODE OUTPUT,NSET=AIR
 POR,
*END STEP
**------------------------------------------------
*STEP,UNSYMM=YES
 4: GENERATE SUPERELEMENT
*SUBSTRUCTURE GENERATE, TYPE=Z101, OVERWRITE, MASS MATRIX=YES,STRUCTURAL DAMPING MATRIX=yes,VISCOUS DAMPING MATRIX=yes
**,RECOVERY MATRIX=NO
**
*BOUNDARY,OP=NEW
*RETAINED NODAL DOFS, SORTED=NO
TIRE-RIM,1,6
55,1,6
6055,1,6
*SELECT EIGENMODES, GENERATE
1,170,1
**Include acoustic flow velocity in substructure generation
*ACOUSTIC FLOW VELOCITY, ROTATION
 AIR,   35.14
*END STEP