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The energy conservation law in acoustics of a moving nonstationary inhomogeneous medium. (English. Russian original) Zbl 0795.76072
J. Sov. Math. 57, No. 3, 3097-3100 (1991); translation from Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 179, 52-57 (1989).
Summary: Expressions for the energy density of a sound wave and the sound energy flow vector in a moving nonstationary inhomogeneous medium are obtained. The energy conservation law is stated.
MSC:
76Q05 Hydro- and aero-acoustics
35L65 Hyperbolic conservation laws
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References:
[1] D. I. Blokhintsev, Acoustics of a Moving Inhomogeneous Medium [in Russian], Moscow (1981).
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