Incorporation of Random Wave Effects into a Quasi-3D Nearshore Circulation Model (Preprint)

Abstract

A coupled wave-hydrodynamic modeling system, comprised of a random wave model driving a quasi-3D nearshore hydrodynamic model, is described. Random wave formulations for several inputs to the hydrodynamic model are developed. An alternate wave dissipation mechanism is incorporated into the random wave model, and two wave roller descriptions are implemented to calculate volume flux and other roller-dependent input properties. Comparison to laboratory and field data indicate that an evolving roller description, in conjunction with the 3D dispersive mixing inherent in the hydrodynamic model, yield the best results. A method to nest the model system inside larger-scale wave models is described, and an application to an area of complex bathymetry shown.

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Document Details

Document Type
Technical Report
Publication Date
Jul 01, 2002
Accession Number
ADA480649

Entities

People

  • Fengyan Shi
  • Ib A. Svendsen
  • James Kaihatu
  • James T Kirby

Organizations

  • United States Naval Research Laboratory

Tags

Communities of Interest

  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Amplitude
  • Bathymetry
  • Boundaries
  • Buildings And Structures
  • Coefficients
  • Dissipation
  • Energy
  • Engineering
  • Frequency
  • Group Velocity
  • Military Research
  • Regions
  • Research Facilities
  • Shear Stresses
  • Spectra
  • Standards
  • Wave Propagation

Fields of Study

  • Physics

Readers

  • Acoustical Oceanography.
  • Computational Modeling and Simulation
  • Fluid Dynamics.