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intro story DELWAQ


DELWAQ is the engine of the D-Water Quality and D-Ecology programmes of the Delft3D suite. It is based on a rich library from which relevant substances and processes can be selected to quickly put water and sediment quality models together.

The processes library covers many aspects of water quality and ecology, from basic tracers, dissolved oxygen, nutrients, organic matter, inorganic suspended matter, heavy metals, bacteria and organic micro-pollutants, to complex algae and macrophyte dynamics. High performance solvers enable the simulation of long periods, often required to capture the full cycles of the processes being modelled.

The finite volume approach underlying DELWAQ allows it to be coupled to both the structured grid hydrodynamics of the current Delft3D-FLOW engine and the upcoming D-Flow Flexible Mesh engine (1D-2D-3D) of the Delft3D Flexible Mesh Suite (or even other models such as TELEMAC).

'DELWAQ in open source' is our invitation to all leading experts to collaborate in further development and research in the field of water quality, ecology and morphology using Delft3D. Feel free to post your DELWAQ related questions or comments in this dedicated forum space. If you are new to DELWAQ, the tutorial (in the user manual) is a good place to start. A list of DELWAQ related publications is available here.




Sub groups
D-Flow Flexible Mesh

Cohesive sediments & muddy systems


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Not able to generate .bct file using Nesting2 Akash Ashok 8 9757
Compilation Error for the WAQ Module Dirk Smit 0 1328
configure: error: Compiler can't find <expat.h> Selwyn Bergman 3 11995
Error reading grid file on Linux francisco tiano 20 11747
make error in and Dirk Smit 15 8420
version Fortran 2013? x64? chris gabriel 6 4949
Compiling in Ubuntu 11.04 - autoreconf failed Giovanni Besio 7 11575
symbol lookup error libflow2d3d.so: undefined symbol: for_array_copy_in James Morrison 5 4850