*heading
 Restart from sst_acoustic_refl_sm
 FREE ROLLING ANALYSIS
*restart,read,step=1,write,overlay
*STEP,INC=300,NLGEOM=YES,UNSYMM=YES
*STEADY STATE TRANSPORT, LONG TERM,INERTIA=YES
 0.5, 1.0
*TRANSPORT VELOCITY
 NTIRE, 35.14
 TIRE-RIM, 35.14
*OUTPUT,FIELD,OP=NEW,FREQ=100
*NODE OUTPUT
 U,V
*END STEP