ISIS-TUFLOW-PIPE Link
The ISIS suite consists of various one-dimensional (1D) and two-dimensional (2D) hydraulic modelling packages such as ISIS Professional and ISIS 2D. BMT WBM’s 2D modelling software, TUFLOW, also complements our range of software and has allowed us to develop various products which enable users to dynamically link these well established modelling packages together.
The link between ISIS Professional (1D) and TUFLOW (2D) has been commercially available since 2004 and allows information, such as flow and water levels to be exchanged between the two models. It fully combines the complementary strengths of ISIS Professional such as 1D open channel flow, a wide range of structures and complex operating rules alongside TUFLOW’s 2D domains. This provides the user with great flexibility in producing an integrated model using the most appropriate modelling method for different parts of the floodplain.
Existing ISIS and TUFLOW models can be linked together with minimal extra effort, making use of concepts already familiar to the ISIS and TUFLOW modeller (lateral inflow and HTBDY in ISIS; HX/X1DH and SX/X1DQ links in TUFLOW). Models constructed in ISIS-TUFLOW build on the well proven track record of the separate ISIS and TUFLOW modelling software.
The link between ISIS and TUFLOW’s 1D component ESTRY fully combines the complementary strengths of the well-established ISIS Professional (1D) software and TUFLOW’s 1D component ESTRY, which is primarily suited to pipe modelling, especially those of small cross-sectional area and conveying low or no flows.
This enables an integrated approach to modelling, combining open-channel, closed pipe and overland flow, suitable for modelling flood risk in urban areas, amongst other scenarios.
Users that purchased the ISIS-TUFLOW link prior to the release of version 3.5.1 can upgrade to the ISIS-TUFLOW-PIPE link at no cost.
Benefits of using ISIS-TUFLOW
- An existing ISIS model is fully compatible with the linked model.
- Combines the capability of ISIS for dealing with structures and that of TUFLOW and ESTRY for dealing with rapid flooding and drying processes, both of which are critical to the accuracy of flood prediction.
- Existing 1D ISIS and 2D TUFLOW models are quickly and easily converted for use in ISIS-TUFLOW.
Applications include
- Urban flooding
- River flooding
- Estuarine flooding
- Dam break inundation
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