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Wanda is an advanced, interactive software package to support the hydraulic design process of your pipeline system. The program is used for the hydraulic analysis of steady and unsteady flow conditions in arbitrary configured pipeline networks. Primary subjects to evaluate and optimise a hydraulic design are flow capacity, velocity, flow distribution, dynamic behaviour, economy, safety and control principles. With a hydraulic design, you can direct the mechanical and process engineering to an effective and efficient system.

Wanda can be applied to a variety of types of pipeline systems, like fire fighting systems, sewer systems, water distribution networks, industrial plants, oil pipelines, water cooling systems, hydropower plants and transportation systems for chemical products.

This site provides information on how to use Wanda, it also contains a FAQ and How-To section. For more information on how to buy Wanda please visit the main Deltares website or contact us at


WANDA 4.5.4 release

This is an important bug fix release that addresses an issue in the Wanda Heat module.  Due to an incorrect interpretation of the heat capacity, the resulting temperature change is not calculated correctly by Wanda.  Users of the Wanda Heat module are advised to upgrade to this version as soon as possible. 

WANDA 4.5.3 Release

This is minor bugfix release that addresses the "Overflow 6 0" error on Windows 10 Fall Creators Update. See Release notes & Errata for more details on the release.

WANDA 4.5.2 Release

This is an important bug fix release that addresses the possible undefined behavior found in a few components (see Errata announcement WANDA 4.5.1 for more information). It also addresses a few other small bugs in the user interface, mostly related to the upgrade process of cases made in earlier versions of WANDA (see Release notes & Errata for a complete list).


Downloads & Patches

Documentation & Support

Training, Seminars & Webinars