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  • Future Insight

Dynamic Digital Twin for Sewerage

Updated: Jan 22

Innovation update! Together with Nelen & Schuurmans, we developed a Hydrodynamic calculation model in a 3D Dynamic Digital Twin.

The Dynamic Digital Twin for Sewerage project aims to develop a dynamic 3D model for urban water management. To then make this 3D model readily available to the entire sector, open standards are being used as much as possible.


With the GWSW (Urban Water Data Dictionary) to CityGML (data model for representing urban objects in 3D) converter, it has recently become possible to present sewerage data in 3D. Within the project, the next milestone has now been reached: the integration of a hydrodynamic 3Di calculation model into a 3D Dynamic Digital Twin.


GWSW is an open standard for the unambiguous exchange and disclosure of data in urban water management. This open standard improves cooperation between the manager and user of sewer data. It also simplifies the preparation of a hydrodynamic calculation model (such as 3Di). The water manager can rely on a good interaction between the topsoil and the underground sewers.


All participating municipalities (Breda, The Hague, Groningen and Rotterdam) can build a hydrodynamic calculation model according to the GWSW standard.


In recent months, Nelen & Schuurmans and Future Insight have worked on a 3Di plug-in that enables high-resolution water calculations within a 3D Digital Twin. The plug-in invokes the integral computational model on the 3Di server. The user can select a precipitation event as desired and start the simulation. The result is the water depth which is refreshed per time step.


"Running these simulations within a 3D Digital Twin makes the impact of flooding in the urban area even more understandable."


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Looking for more information about this development or curious what other innovations we are currently working on?


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