Flood Modeller

Flood Modeller is a computer program developed by Jacobs that simulates the flow of water through river channels, urban drainage networks and across floodplains using a range of one- and two-dimensional hydraulic solvers. The software incorporates a user interface for building, running and viewing the results of models, including a GIS map interface.

Flood Modeller
Developer(s)Jacobs Engineering Group
Stable release
5.1
Written inC#, Fortran, Delphi, C++
Operating systemMicrosoft Windows
TypeHydraulic simulation, Geographic information system
Websitehttps://www.floodmodeller.com/

Flood Modeller was previously known as ISIS software (named after the local name for the Upper Thames).

The software has been independently benchmarked[1] by the Environment Agency and has helped thousands of users[2] transform how they undertake modelling and how they share and communicate flood-related information with clients and members of the public.

Initially developed by Halcrow Group and then CH2M Hill, Flood Modeller is now developed by Jacobs Engineering group.

Solvers

1D solvers

Flood Modeller includes steady-state and unsteady 1D river solvers for modelling open-channels.

It also provides a 1D urban solver for modelling urban drainage systems.

2D solvers

Flood Modeller includes three different 2D solvers:

  • The ADI solver is based on the DIVAST numerical engine first developed in the 1980s, and is designed to simulate fluvial, overland, estuarine and coastal situations where flow does not rapidly change.[3]
  • The TVD solver is designed to represent rapid changes in the water surface profile, but results in longer run-times.
  • The FAST solver uses simplified hydraulics to perform rapid assessments of flooding.[4][5]

See also

References
  1. "Benchmarking the latest generation of 2D hydraulic flood modelling packages". GOV.UK. Retrieved 21 June 2021.
  2. "About Us". Flood Modeller. Retrieved 21 June 2021.
  3. Lin, B.; Wicks, J. M.; Falconer, R. A.; Adams, K. (2006). "Integrating 1D and 2D hydrodynamic models for flood simulation". Proceedings of the ICE - Water Management. 159: 19–25. doi:10.1680/wama.2006.159.1.19.
  4. Banks, J. C.; Camp, J. V.; Abkowitz, M. D. (2013). "Adaptation planning for floods: a review of available tools". Natural Hazards. 70 (2): 1327–1337. doi:10.1007/s11069-013-0876-7. S2CID 129095526.
  5. Jacobs (2015). "2D FAST solver". Flood Modeller. Jacobs. Retrieved 13 February 2015.
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