Tuflow:About

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TUFLOW Wiki

The TUFLOW Wiki contains information relating to the building, running and processing of hydraulic models using TUFLOW Classic. The site has been divided into four sections:

  • The TUFLOW Message Database containing a comprehensive list of messages outputted by TUFLOW Classic and GPU models. For each message, guidance is provided on the likely causes and suggested solutions where applicable.
  • The TUFLOW Tutorial Model containing step-by-step instructions on building, simulating and viewing the results of a TUFLOW model. Instructions have been provided for the SMS, MapInfo, ArcMap and QGIS platforms.
  • The TUFLOW Demo Models containing information on the three models developed as part of the Floodplain Management Association 2012 Annual Conference 2-D Modelling Challenge.
  • Tips and Tricks containing methods to streamline the process of building and running models and the manipulation of their results, using TUFLOW software products and other third party software.


The Wiki is designed to be a repository of information that is regularly updated to accommodate new features in the TUFLOW software and to reflect feedback from users. For each page on the website there is a "Discussion" page. This can be edited by all registered users and we encourage you to share ideas, provide feedback and request clarifications. To register for an account, please follow the instructions on the Wiki Registration page.

The Wiki is designed to be used in conjunction with the TUFLOW Forum, the TUFLOW website, and the TUFLOW Manual.

What is TUFLOW?

TUFLOW is a suite of powerful numerical model engines for flood and coastal model.

TUFLOW Classic is our flagship 1D network and 2D fixed grid based software for simulating flood and tidal flow. TUFLOW's unparalleled 1D/2D dynamic linking capabilities, robustness, established performance and wide ranging functionality, arguably make it the world's most powerful 1D/2D hydrodynamic computational engine.

TUFLOW GPU is our new 2D fixed grid software package. The software uses a computers graphic card for its computations, instead of the computer’s processing unit (CPU). This change has significant run time benefits, resulting in between 10 to 100 times reductions in simulation time compared to TUFLOW Classic. The runtime benefits of this software are however extremely powerful for broad-scale regional assessments which may have otherwise been too computationally intensive to model using a CPU type model.

TUFLOW FV is our new 2D/3D flexible mesh, finite volume numerical model that simulates hydrodynamic, sediment transport and water quality processes in oceans, coastal waters, estuaries, rivers and floodplains. The flexible mesh model structure allows users to modify mesh resolution spatially, seamlessly increasing the model resolution in areas of interest. This modelling approach reduces the number of computation cells in a model and hence reduces simulation times. Additionally, TUFLOW FV has been parallelised. This means users can fully capitalise on the computing power of multiple processor/thread computers.
TUFLOW FV has its own Wiki site, Forum, and Manual.

For more information on the TUFLOW range of products including additional modules and modelling interfaces please visit the TUFLOW Products page on the TUFLOW website.

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