*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