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Existence of Bounded Solutions to a Modified Version of the Bagley–Torvik Equation

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  • Daniel Cao Labora

    (Department of Statistics, Mathematical Analysis and Optimization, Faculty of Mathematics and Institute of Mathematics (IMAT), Universidade de Santiago de Compostela (USC), Rúa Lope Gómez de Marzoa s/n, 15782 Santiago de Compostela, Spain
    These authors contributed equally to this work.)

  • José António Tenreiro Machado

    (Institute of Engineering, Polytechnic of Porto, Rua Dr. António Bernardino de Almeida, 431, 4249-015 Porto, Portugal
    These authors contributed equally to this work.)

Abstract

This manuscript reanalyses the Bagley–Torvik equation (BTE). The Riemann–Liouville fractional differential equation (FDE), formulated by R. L. Bagley and P. J. Torvik in 1984, models the vertical motion of a thin plate immersed in a Newtonian fluid, which is held by a spring. From this model, we can derive an FDE for the particular case of lacking the spring. Here, we find conditions for the source term ensuring that the solutions to the equation of the motion are bounded, which has a clear physical meaning.

Suggested Citation

  • Daniel Cao Labora & José António Tenreiro Machado, 2020. "Existence of Bounded Solutions to a Modified Version of the Bagley–Torvik Equation," Mathematics, MDPI, vol. 8(2), pages 1-11, February.
    • Handle: RePEc:gam:jmathe:v:8:y:2020:i:2:p:289-:d:323149
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    References listed on IDEAS

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    1. João Clímaco & João Paulo Costa & Gregory Kersten, 2015. "Introduction," Group Decision and Negotiation, Springer, vol. 24(4), pages 563-566, July.
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