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22, 23 58, 27, 46, 45, 24 59, 27, 45, 25, 24 60, 27, 25, 45, 26 **||||||||||||||||||||||||||| *MATERIAL,NAME=AIR *DENSITY 1.293, *ACOUSTIC MEDIUM,BULK MODULUS 1.42176E5, *SOLID SECTION,MATERIAL=AIR,ELSET=EALL ** ** Sets added by addodb ** *Elset,Elset=ODB_ESET EALL, ** ** *Nset, Nset=ODB_NSET ODB_NSET, ** ** *STEP OPEN/OPEN CONDITION *FREQUENCY,EIGENSOLVER=AMS 14,,2000.,10.0,4.0,3.0 *OUTPUT,FIELD,FREQUENCY=0 *BOUNDARY 1,8 4,8 6,8 2,8 3,8 5,8 *NODE PRINT POR,PPOR *OUTPUT,HISTORY,freq=0 *MODAL OUTPUT,VARIABLE=ALL *END STEP ************************* *STEP OPEN/CLOSED CONDITION *FREQUENCY,EIGENSOLVER=AMS 14,,2000.,10.0,4.0,3.0 *OUTPUT,FIELD,FREQUENCY=0 *BOUNDARY 1,8 4,8 6,8 *NODE PRINT POR,PPOR *OUTPUT,HISTORY,freq=0 *MODAL OUTPUT,VARIABLE=ALL *END STEP