Structural Acoustics: A General Form of Reciprocity Principles in Acoustics K. Case Accesion For NTIS CRA&I DTIC TAB Unannounced 0 Justification Distribution I Avaiabiity Codes Avail andI o Januar 1993 JSR-92-193 Approved for pubbe release dltbutobn un tmed. JASON The MITRE Corporation 7525 Colshire Drive McLean, VirgInia 22102-3481 (703) 883-6997
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Structural Acoustics:A General Form of Reciprocity
In other words this says: The pressure at i, due to a force at F' in the ji
direction is proportional to the velocity in the ith direction due to a source
at r, at F2.
We hazard the guess that this is the reciprocity principle referred to in
reference [1].
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References
[1] Donskoy D., 1991 "Soviet R&D in Low-Frequency Underwater Acous-
tics," published by Delphic Associates Inc., 7700 Leesburg Pike, No.
250, Falls Church, Va 22043 .
[2] Rayleigh, J. W. S., 1945, "The Theory of Sound", Vol II, p. 145, Dover
Publications, NY.
[3) Landau, L. D. and E. M. Lifshitz, 1959, "Fluid Mechanics," Pergamon
Press.
a) No. 74
b) Problem on p.291
[4] Morse, P. M. and K. U. Ingrad,(1986), "Theoretical Acoustics", Prince-
ton University Press, Princeton, NJ, p. 134 , 312, 320, 342, 405 (1986).
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