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NearCoM: REF/DIF-1 Wave Module


Authors:

James T. Kirby, Fengyan Shi
Center for Applied Coastal Research
University of Delaware
Newark, DE 19716 USA

Robert A. Dalrymple
Department of Civil Engineering
Johns Hopkins University
Baltimore, MD

Contact information: James T. Kirby, kirby@udel.edu, 302-831-2438
Fengyan Shi, fyshi@udel.edu

Documentation:

(pdf)

Overview:
REF/DIF is a phase-resolving parabolic refraction-diffraction model for ocean surface wave propagation. It was originally developed by Jim Kirby and Tony Dalrymple starting in 1982, based on Kirby's dissertation work. This work led to the development of REF/DIF 1, a monochromatic wave model.

In NearCoM, REF/DIF 1 is an optional wave module which provides wave forcing for the circulation module and the sediment module.

Use and initialization of the module:

Although REF/DIF 1 becomes a subroutine of NearCoM, An input file, indat.dat, is still required by the wave module. The input includes file names for output, subgrid information, physical parameters and wave conditions. Water depth is obtained from the master program though a file name for water depth input is still kept in "indat.dat".

Variables provided by the wave module:

The wave module provides 2D (or quasi-3D) circulation modules with wave forcing in two forms: radiation stress and wave force (gradient of radiation stresses). It provides the 3D circulation module with short wave surface stress and body force (see Nearshore POM for detail). In addition, the wave module provides all the wave information that may be needed by the circulation and sediment modules, such as wave height, angle, wave number, wave orbital velocity, wave dissipation rate, wave breaking index, wave mass flux, wave celerity, group speed.

Variables required by the wave module:

Water depth (may be updated by the circulation module and the sediment module), depth-averaged current velocity from the circulation module, and wave conditions at open boundaries.

Master Program
Wave Modules
     REF/DIF-1
     REF/DIF-S
     REF/DIF-SNL
     Wave Kennedy
     B2DWAVE
     Energy Wave
     REF/DIF-C
Circulation Modules
     SHORECIRC
     CurvCirc
     Nearshore POM
     FUNWAVE
Morphology Modules
     WENO H-H
 
Other NearCoM Modules
     Model-01
 
Makefile

  • What's New?
  • Frequently asked questions
  •  

    kirby@udel.edu or fyshi@udel.edu
    latest update: 10 / 2 / 2011