Wave Transformation Modeling with SMS
Method:2D Finite Element
Developer:U.S. Army Corp of Engineers
Why CGWAVE with SMS?
SMS provides a custom interface to the CGWAVE model offering a simple way to set model parameters and a graphical user interface to run the model and visualize the results. Gather background data from a variety of sources from GIS to CAD and access online data from numerous databases of maps, images, and elevation data. SMS allows you to interact with models in true 3D taking advantage of optimized OpenGL graphics and to create photo-realistic renderings and animations for PowerPoint, print, and web presentations.
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CGWAVE (Panchang & Xu 1995) is a 2D finite element model based on the elliptic mild-slope wave equation. It is similar to wave models HARBD (Chen and Mei 1974) and PHAROS (Kostense et al. 1986). CGWAVE can simultaneously simulate the effects of refraction, diffraction, reflections by bathymetry and structures, dissipation due to friction and breaking, and nonlinear amplitude dispersion. The computational capabilities of CGWAVE model permit the modeling of large coastal regions. The governing equations of CGWAVE pass, in the limit, to the deep and shallow water equations, making this model applicable to a wide range of frequencies, including short wind waves, swell, and infra-gravity waves.