1D Urban Solver

Coming in Flood Modeller 5.0, model the urban drainage system and how it interacts with surface and river flows

The 1D urban solver allows users to combine surface and subsurface flow to obtain a detailed and integrated understanding of flood risk in urban areas. It then allows users to develop integrated catchment and system based solutions. The 1D urban solver is powered by the EPA’s SWMM engine, enabling you to use and build upon your existing SWMM models.

Developed for over 40 years and widely trusted and used throughout the world for modelling drainage systems

Create fully integrated catchment models by linking the 1D urban solver to the 1D river and 2D solvers

Benefit from the advanced features of Flood Modeller, including the extensive range of hydrological approaches, advanced structures, productivity tools and more

Key facts

Build on your existing SWMM models

Run your models using the Flood Cloud service

Use Flood Modeller's 1D river solver to model channels and river networks or its 2D solver to model surface water flow whilst linking to the 1D urban solver to model the interaction with and the impact on the drainage network.

The 1D urban solver excels at the modelling of sewer networks and other drainage systems. It is extremely powerful for modelling inflow and infiltration as well as combined sewer overflows, for evaluating the impact of extreme events on sewer systems.​

Flood Modeller's 1D urban solver enables users to benefit from the trusted 1D river and 2D solver and its extensive range of hydrological approaches, large range of structures, and logical rules that can be used to define structure operation or failure.

Where pipe networks overflow in the 1D urban solver, links to Flood Modeller's 1D river or 2D ADI solvers can be incorporated to model the resulting surface flows and possible flood scenarios for the area of interest. 

When users have many models to run, they can utilise the Flood Modeller Batch Runner tool to setup a suite of simulations and leave the software to efficiently manage the running of all Flood Modeller models. ​

Upon release of Flood Modeller 5.0, users of the new 1D-urban solver will be able to benefit from the GIS user interface and visualisation tools within Flood Modeller to quickly undertake their integrated modelling studies. They will also have the option of utilising the Flood Cloud service to run Flood Modeller models with the new 1D urban solver. Additionally, users will be able to benefit from the catalogue tool within Flood Modeller to organise and manage all data associated to a modelling project.

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