Wave prediction model that simulates wave refraction, diffraction, reflection, nonlinear dispersion, and dissipation due to friction and breaking for a wide spectrum of input wave frequencies and directions
CGWAVE
Wave prediction is a vital ingredient in harbor design and boat operations. Spatial variations in wave heights and directions for various input conditions must be estimated for existing and modified harbor layouts, such as breakwater alignment and sediment movement. Energy amplication in standing waves and the associated horizontal and vertical motions can cause damage to small boats and lead to downtime in ship loading and unloading operations. CGWAVE is one of the most comprehensive harbor wave prediction models available. To validate the model's accuracy, a rigorous comparison of the wave model is performed against field data for three harbors in Hawaii and California to identify weaknesses and strengths of the model. This research will be used to help develop more accurate wave prediction models for use in harbor design for coastal communities.
CGWAVE is an advanced wave prediction model for the Office of Naval Research, Army Corps of Engineers, and NOAA. The model simulates wave refraction, diffraction, reflection (by coastlines, structures, and the bathymetry), nonlinear dispersion, and dissipation due to friction and breaking for a wide spectrum of input wave frequencies and directions. The model solves the two-dimensional elliptic mild-slope wave equation using the finite element technique and conjugate gradient solvers.
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