3Di Aims to follow every drop of water, anywhere
3Di is able to simulate all processes in the hydrological cycle allowing the modeller to use 3Di in a wide range of applications
Flooding as a result of heavy rainfall. Options range from using simple rainfall timeseries to rainfall radar and forecast models. Thanks to the subgrid method, wetting and drying is automatically taken into account.
With the integrated calculation of surface- , sewerage - and freatic ground water flow it is possible to calculate the result of heavy rainfall in great detail and with high accuracy.
Fluvial floods and flows
Fluvial floods and flows
In case of a high water wave in rivers, banks can be over topped, dikes can be breached and water is flowing in to surrounding areas. Using 3Di, not only the flood of the riverside area can be computed well, also the flow and the arrivalof the high water wave. Moreover, the after effects of the flood can be predicted as well. As for the drainage of the flooded area, the sewer system, small networks of canals and you hydrological balance are crucial.
Coastal and Estuary
The original application of the subgrid method were estuarine and coastal areas. These areas are characterized by strong variations in bathemetry and generally the dominant forcing are the tides. This combination results in extensive flooding and drying and a strong dependence on the local bathymetry. The subgrid method makes it possible to get insight in the flow patterns in the small scale channel pattern that often surrounds such an area. Especially, for ecology and morphology this is crucial. The subgrid method, helps to connect the large and the small scale dynamics of these areas.
Water system analysis
Water systems in urban and regional areas grow organically. Land use changes over time and the water system changes with it. Canal systems are build and sewer networks are expanded. 3Di helps to get insight in to such a complex system as it computes all interactions between different domain, such as surface flow, groundwater and the sewer systems. Tools supported by 3Di result, for example, the water balance tool and the…..assist users to get a firm grip on the system behaviour.
Calamity flood models
Calamity flood models are models of areas that are prone to flooding events. Either due to heavy rainfall or for example due to the breaching of dikes and dams. Stakeholders, ranging from policymakers to emergency services, can simulate these scenarios. For dike breaching events, the breaches can be triggered at the location of the emergency and the breach will evolve in time. This for the most accurate prediction possible.
Resilient urban planning
Urban planning is usually done by urban planners. With 3Di we have solutions that make it possible to convert a planning design to a 3D environment suitable for hydrodynamic calculations.
3Di can be used for sewerage design. Simply click in your design and test against predefined design rainfall events.
The cloud and API of 3Di makes it ideal for operational models. Every hour a model calculates whether it is necessary to start pumping a certain area to maintain the water level in a pumped drainage area.
The cloud and API of 3Di makes it ideal for flood forecasting models. As long as the model perfomance is sufficient any 3Di model can be deployed as a model in flood forecasting.
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