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Welcome to the SWASH home page
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SWASH is a general-purpose numerical tool for simulating unsteady, non-hydrostatic, free-surface, rotational flow and transport phenomena in coastal waters as driven by waves, tides, buoyancy and wind forces. It provides a general framework for describing wave transformations from deep water to a beach, port or harbour, complex changes to rapidly varied flows, and density driven flows in coastal seas, estuaries, lakes and rivers.

For general information, see the SWASH model documentation. This list reflects on the scientific relevance of the development of SWASH.

The current version of SWASH is 11.01. The release notes can be found here.

Get the latest version of SWASH here. For new users who want to try SWASH, download the SWASH Docker image or get to start with this tutorial.

Consult the User Manual for a complete description of the usage of SWASH. It is recommended to carry out the available test cases first to get to know more about the program. See these examples for a quick impression.

Alternatively, you may download the SWASH software or clone from the GitLab repository. This software can be used freely under the terms of the GNU General Public License. Please see its license for details. It is permitted to copy, reuse, adapt and distribute the SWASH source code provided that proper reference is made to the original work.

Please visit this page for installation of SWASH on your computer. SWASH is portable to the most common operating systems (Windows, Linux, macOS and Unix systems).

Also a list of known bugs and patches is maintained for the current SWASH version.

Bug reports should be sent to this mailing list. You may also post your questions there.
SWASH is currently supported by Delft University of Technology.