Oblique flexural gravity-wave scattering due to changes in bottom topography View Full Text


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Article Info

DATE

2009-06-02

AUTHORS

D. Karmakar, J. Bhattacharjee, T. Sahoo

ABSTRACT

Oblique flexural gravity-wave scattering due to an abrupt change in water depth in the presence of a compressive force is investigated based on the linearized water-wave theory in the case of finite water depth and shallow-water approximation. Using the results for a single step, wide-spacing approximation is used to analyze wave transformation by multiple steps and submerged block. An energy relation for oblique flexural gravity-wave scattering due to a change in bottom topography is derived using the argument of wave energy flux and is used to check the accuracy of the computation. The changes in water depth significantly contribute to the change in the scattering coefficients. In the case of oblique wave scattering, critical angles are observed in certain cases. Further, a resonating pattern in the reflection coefficients is observed due to change in the water depth irrespective of the presence of a compressive force in the case of a submerged block. More... »

PAGES

325-341

References to SciGraph publications

  • 2007-11-16. Transformation of flexural gravity waves by heterogeneous boundaries in JOURNAL OF ENGINEERING MATHEMATICS
  • Identifiers

    URI

    http://scigraph.springernature.com/pub.10.1007/s10665-009-9297-8

    DOI

    http://dx.doi.org/10.1007/s10665-009-9297-8

    DIMENSIONS

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