We use the method of moments in order to describe elastic waves. It is shown that for transverse waves, there takes place a time-polynomial representation with a finite number of terms in the linear and quadratic spatial moments of displacements and some derivatives of displacements in space.
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Radiofizika, Vol. 53, No. 4, pp. 246–250, April 2010.
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Vlasov, S.N. Averaged description of elastic waves. Radiophys Quantum El 53, 225–228 (2010). https://doi.org/10.1007/s11141-010-9220-1
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DOI: https://doi.org/10.1007/s11141-010-9220-1