Engineering_Acoustics

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1、Edition1.030thApril2006EngineeringAccousticsfromWikibooks,theopen-contenttextbookscollectionNote:currentversionofthisbookcanbefoundathttp:/en.wikibooks.org/wiki/Engineering_AcousticsCONTRIBUTORS...................................................................

2、......................................................................................6PART1:LUMPEDACOUSTICALSYSTEMS...............................................................................................................7SIMPLEOSCILLATION................

3、................................................................................................................................7SolvingforthePositionEquation.......................................................................................................

4、.................7AlternatePositionEquationForms......................................................................................................................9FORCEDOSCILLATIONS(SIMPLESPRING-MASSSYSTEM)...................................................

5、.....................................10MECHANICALRESISTANCE......................................................................................................................................19MechanicalResistance..............................................

6、.........................................................................................19Dashpots.............................................................................................................................................................19Mod

7、elingtheDampedOscillator.......................................................................................................................20MechanicalImpedanceforDampedOscillator..............................................................................

8、....................21CHARACTERIZINGDAMPEDMECHANICALSYSTEMS...............................................................................................22CharacterizingDam