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Development of Green-Naghdi models with a wave-absorbing beach for nonlinear, irregular wave propagation

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Abstract

Two-dimensional and three-dimensional Green-Naghdi (GN) models equipped with a numerical wave-absorbing beach have been developed to simulate nonlinear, regular, and irregular wave propagation. The numerical beach is introduced near the downstream boundary to absorb outgoing waves. An appropriate amount of numerical damping and an appropriate length of numerical beach are investigated using numerical experiments. The results show that the GN models with a numerical beach work very well in simulating wave propagation in water in a small computational domain.

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Authors and Affiliations

  1. Department of Naval Architecture and Ocean Engineering, Hiroshima University, 1-4-1 Kagamiyama, 739, Higashi-Hiroshima, Japan

    Qi Xu

  2. Centre for Marine Simulation, Marine Institute, MUN, St. John's, NF, Canada

    J. S. Pawlowski

  3. National Research Council, Institute for Marine Dynamics, Station A, P.O. Box 12093, St. John's, NF, Canada

    R. E. Baddour

Authors
  1. Qi Xu
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  2. J. S. Pawlowski
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  3. R. E. Baddour
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Xu, Q., Pawlowski, J.S. & Baddour, R.E. Development of Green-Naghdi models with a wave-absorbing beach for nonlinear, irregular wave propagation. J Mar Sci Technol 2, 21–34 (1997). https://doi.org/10.1007/BF01245934

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  • DOI: https://doi.org/10.1007/BF01245934

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