Hydrodynamic Simulation Software

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The Most Powerful Hydrodynamic Simulation Software

3Di is state-of-the-art hydrodynamic simulation software for pluvial, fluvial and coastal floods. 3Di is applied in both urban and rural areas around the world. Unique about 3Di is the combination of fast simulations, interactive modelling, detail of the schematisation and the advanced capabilities to model hydrodynamic processes.

  • Fast simulations There is always a balance between the spatial extension of a model and its level of detail. In 3Di this balance has made a major shift, as it allows for detailed models for large areas. The impact of extreme rainfall, river floods and storm surges can be analysed in a short period of time.
  • Interact with your model Run interactive live simulations during workshops and meetings. Impress the audience by directly showing the impact of adjustments to the terrain elevation, simulating a dike breach or enlarging the pump capacity. No matter your role or level of expertise, 3Di helps you understand water management challenges on a touch-table and assists to get things done.
  • Model locally, simulate in the cloud 3Di combines the best of both worlds. On your own computer, model schematisations can be made and analysed. Do the model set-up on your own computer then take advantage of the cloud for easy access and fast computations. Post processing and result analyses can be done either locally or in the cloud.
  • Flexibility for modellers 3Di model schematisations are made of 0D, 1D and 2D elementary building blocks. In 3Di these building blocks can be combined in any spatial configuration. This gives the modeller maximum flexibility to build his own models. Flexibility for modellers
  • Integral approach of the water system Traditionally we have sewer models, channel models, river models, coastal floods models and groundwater models. In 3Di these separate models are combined into one integral model of the environment. All water processes are computed in one computational core, with guaranteed stability and performance.
  • Prevent damages and save lives 3Di models can be applied in early warning and real time control systems. The fast computations in the cloud can be connected to real time rainfall predictions and measured levels. With the 3Di API, your model can be easily integrated in your environment.

Flexibility for modellers

Martijn Heinhuis,
Hydrologist at Hoogheemraadschap van Delfland

What an MRI scan is for a neuroscientist, 3Di is to a hydrologist. A sophisticated cloud-based tool that delivers easy-to-understand visual output.

Peter Hollanders,
Senior Policy Advisor

3Di is a very strong visualisation medium, we apply it internally but also during external information sessions in which we explain to people how the water system in their area functions under a variety of different circumstances.

Martijn Boelhouwers,
Owner of Buro MA.AN Urban Design

3Di uncovers the water-related design challenges we face in a certain area. The level of detail is incredible and vital in a dense city environment.

Water Management

Webinar: Flash Flood Modelling

April 19, 2019 - Mees Rijs

To provide water management experts around the world with more knowledge on how 3Di works we will be hosting a number of webinars over the coming months. By attending the webinar both beginners and experienced users gain new insights and have the ability to ask questions directly. Please join us on the 25th of April for […]

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Request a demo

Are you interested in how 3Di works and how you can use it? Please use this form to request a demonstration. We will contact you to give an online demonstration and will answer all your questions.

How to work with 3Di

Flexibility for modellers


I want to perform my own calculations and register the 3Di license under the organisation I work for. Ideal if you have a background in GIS and hydrology. We provide online documentation and support as well as the opportunity to participate in a three day training program. Are you ready to take this step?

  • Full flexibility
  • Bring in your own expertise
  • Online documentation and support

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Find a Local Partner

I would like to work with 3Di and outsource the model building. Ideal if you seek expert advice whilst being in control of the process. You don’t need to know all the ins and outs about 3Di but benefit of all 3Di’s advanced capabilities. Looking for a helping hand?

  • Benefit from 3Di without worrying about technical details
  • Get help from an expert
  • Keep in control

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Become a 3Di Partner

We are a full-service engineering firm that would like to make 3Di accessible to our clients base. We have model experts and would like to use 3Di’s advanced capabilities in our projects. Ready to discover the benefits of a partnership?

  • Generate your own business with 3Di
  • Use the most powerful hydrodynamic simulation software
  • Direct support from the 3Di product team

Become a partner