A two-dimensional horizontal wave propagation and mud mass transport model

Ali Oveisy, Kevin Hall, Mohsen Soltanpour, Tomoya Shibayama

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

The present study offers a two-dimensional horizontal wave propagation and morphodynamic model for muddy coasts. The model can be applied on a general three-dimensional bathymetry of a soft muddy coast to calculate wave damping, fluid mud mass transport and resulting bathymetry change under wave actions. The wave propagation model is based on time-dependent mild slope equations including the wave energy dissipation due to the wave-mud interaction of bottom mud layers as well as the combined effects of the wave refraction, diffraction and breaking. The constitutive equations of the visco-elastic-plastic model are adopted for the rheological behavior of fluid mud. The mass transport velocity within the fluid mud layer is calculated combining the Stokes' drift, the mean Eulerian velocity and the gravity-driven mud flow. The results of the numerical model are compared against a series of conducted wave basin experiments, wave flume experiments and field observations. Comparisons between the computed results with both the field and laboratory data reveal the capability of the proposed model to predict the wave transformation and mud mass transport.

Original languageEnglish
Pages (from-to)652-665
Number of pages14
JournalContinental Shelf Research
Volume29
Issue number3
DOIs
Publication statusPublished - 2009 Mar 1
Externally publishedYes

Keywords

  • Bathymetry change
  • Fluid mud
  • Mud mass transport
  • Sediment transport
  • Wave damping
  • Wave propagation

ASJC Scopus subject areas

  • Oceanography
  • Aquatic Science
  • Geology

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