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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Flexible contracts do not provide any minute details

priya impex, modified 1 Month ago.

Flexible contracts do not provide any minute details

Jedi Master Posts: 293 Join Date: 10/15/20 Recent Posts
Flexible contracts do not provide any minute detailsFlexible contracts do not provide any minute details on how to achieve it and it honors the term of the contract as well. Contracts are really generic, not specific to any industry, domain or sector. It helps in creating shared goals between customer and supplier.Flexible contracts are specifically built for complex products. By complex products, I mean, there is no clarity on requirements and solution to meet customer needs and changes are required throughout the contractual term. A contract operates on module delivery by operating at two levels:
  1. Main Agreement
  2. SoTo – Statement of target Outcomes
The main agreement has schedules with frameworks which has no contractual commitment for specific deliverables. SoTo is similar to the statement of work like the traditional contract but here we deliver measurable outcomes. Customer and Supplier focus on different target outcomes under each SoTo.Initially, SoTo can be used as an exploratory mechanism where they should be considered as options, not required ones. All SoTo’s are limited to a shorter time period with clear outcome deliverables.It gives enough privilege to customers to not to commission future SoTo if they are not happy with the outcome of SoTo in execution.The supplier should also consider each SoTo as learning to inspect and adapt. One can use Mobius canvas for the flexible contractual model. Devops Online Training