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Euler–Darboux–Poisson Equation in Context of the Traveling Waves in a Strongly Inhomogeneous Media

Author

Listed:
  • Ioann Melnikov

    (Faculty of Informatics, Mathematics and Computer Science, HSE University, Nizhny Novgorod 603155, Russia
    A.V. Gaponov-Grekhov Institute of Applied Physics, Nizhny Novgorod 603095, Russia)

  • Efim Pelinovsky

    (Faculty of Informatics, Mathematics and Computer Science, HSE University, Nizhny Novgorod 603155, Russia
    A.V. Gaponov-Grekhov Institute of Applied Physics, Nizhny Novgorod 603095, Russia)

Abstract

The existence of traveling waves in an inhomogeneous medium is a vital problem, the solution of which can help in modeling the wave propagation over long distances. Such waves can be storm waves or tsunami waves in the seas and oceans. The presence of solutions in the form of traveling waves indicates that the wave propagates without reflection and, therefore, can transfer energy over long distances. Traveling waves within the framework of the 1D variable-coefficient wave equation exist only for certain configurations of an inhomogeneous medium, some of which can be found by transforming the original equation to the Euler–Darboux–Poisson equation. The solution of the last equation for certain parameter values is expressed in elementary functions, which are the sum of waves running in opposite directions. The mathematical features of such a transformation are discussed in this paper.

Suggested Citation

  • Ioann Melnikov & Efim Pelinovsky, 2023. "Euler–Darboux–Poisson Equation in Context of the Traveling Waves in a Strongly Inhomogeneous Media," Mathematics, MDPI, vol. 11(15), pages 1-12, July.
    • Handle: RePEc:gam:jmathe:v:11:y:2023:i:15:p:3309-:d:1204354
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