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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Unable to compile Huy Tran Quang Pham 0 543
Error LNK2001 when compiling tag version 7545 Mohammed Almoghayer 4 3900
Error message: Improper version of watqual.d3d and proctabl.d3d Michael Ulmgren 4 4107
Linux Compiling Issue Josha Humberston 1 1383
Error in opening the compiled module file error on Linux machine Josha Humberston 1 2599
Example running error Hafizur Rahman 2 1718
io_netcdf_api.F90 compilation error in Ubuntu 16.10 Sebastian Krieger 4 4799
Missing create_config_xml.tcl Kristian Kumbier 1 2078
Error 10310 compiling tag 6118 Lucas Storto 0 1428
Errors running some examples Selwyn Bergman 4 6179
Tagged 5389 Compiling Error Haifeng Tang 4 6066
compiling delft3d error, /usr/bin/ld: cannot find -lnetcdff Dave Ortiz-Suslow 6 7658
compiling delft3d error, /usr/bin/ld: cannot find -lnetcdff Dave Ortiz-Suslow 6 7658
compiling delft3d error, /usr/bin/ld: cannot find -lnetcdff Dave Ortiz-Suslow 6 7658
Error Compiling Error LNK1123 Steven Micko 4 6385
Bug in makefile Bogdan Hlevca 1 2080
Error Compiling Delft3D Linux "cannot have a deferred shape" Mariangel Garcia 0 2768
make ds-install & undefined symbol: MPI_Init LI LI 24 15787
Compilation errors with Steven Douglas 2 2455
compilation Nophi Biton 1 2113