- 1 Basic Information
- 2 Catchwords
- 3 Short Description of Functionality
- 4 Program(s) to run before this Program
- 5 Program(s) to run after this Program
- 6 Additional Information
Name of Program
numerical simulation of wave propagation
two-dimensional energy density spectrum
refraction of waves due to bathymetry and current velocity
energy input due to wind induced shear stress
energy dissipation due to turbulence and bottom friction
Short Description of Functionality
The mathematical model WARM (Wave Ray Model) is a wave model which is based on the transport equation for the two-dimensional energy density spectrum. The equation is solved in the frequency directional domain. The model is able to take into account several effects related to the influence of bathymetry, current velocity and water level, namely
- refraction by bottom friction and current variations,
- wave current interaction (wave blocking), as well as
- non-linear dissipation of wave energy.
WARM was developed on behalf of Bundesanstalt für Wasserbau, Außenstelle Küste by GKSS Research Center, Geesthacht.
- general input data (filetype warm.dat)
- model topography:
- (optional) computational results (time series) for hydrodynamics (files of type dirz.bin.r, dirz.bin.i and dirz.bin)
Notice: in situations where time series of computed hydrodynamic data are used the corresponding grid file of type gitter05.dat/bin must be supplied.
- (optional) wind field (filetype tr2.met.bin.i and filetype tr2.met.bin)
- paths of wave rays (filetype insel.dat)
- (optional) trace of program execution (filetype warm.trc)
In a first computational step paths for wave rays are determined. The equation for energy transport is used to calculate the two-dimensional energy density spectrum. This equation is solved in the frequency directional domain. The calculations are carried through on a grid which consists of a set of right-angled triangles.
Program(s) to run before this Program
Program(s) to run after this Program
please refer also to Anwendung des Seegangsmodells WARM published in No. 1/1998 of Supercomputing News (text is available in German only). This text illustrates the application of the model to study wave motion in the harbour of Rostock-Warnemünde.
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