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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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Threads with tag delft3d .

Thread Started By Replies Views Last Post  
Error running DELFT3D-WAQ Priscila Vargas 0 29
Wave height limited for coastal WAVE model Akash Vijay Kumar 1 53
Error compiling Delft3d Ubuntu /usr/bin/ld: cannot find -llibmpich Felipe Calleja Apéstegui 1 33
Merging com*.dat file for delf3d flow wave offline coupling shanas pr 2 376
converting .nc format to .wnd umutcan inal 0 48
Converting .nc file to .wnd file Dogukan Karakas 0 48
How do we make essential .exe files (eg. d_hydro.exe) to run tutorials sivaiah Borra 0 41
symmtery in hydrodynamic input data and asymmetry in morphology output Hanieh Mohamadi Moghadam 0 443
numerical instability in domain decomposition with inclined bathymetry Markus Gross 1 1049
Vertical 3D profile not allowed - nesting DELFT3D boundary with values Seth Jelen 1 2092
How to consider sea level rise escenarios with Delft3D Flow? Esther Espinoza 13 6232
f951: error: unrecognized command line option "-fpp" on RHEL 6.6 KRIS Zh 4 6522
Tsunami simulation connecting Delft3d results and XBeach Pietro Mazzon 0 2338
The never ending story with NETCDF - A guide for linux compilation Giovanni Besio 1 1855
Impose discharge limit in a Culvert karunakar kintada 0 1346
DELFT3D-TIDE HILOW question Niño Jhim Andrew Dela Luna 1 1489
Future estimation Mathanki Sivapatham 0 1767
Medium-term Modelling using delft3d (stationary or non-stationary) Ruchira JAYATHILAKA 8 7325
Delft3D Linux documentation Margarita Tan 0 917
OpenEarthTools - examples and routines João Paulo Ferreira 0 1447