NOAH
1D Modelling System Newcastle Object-oriented Advanced Hydroinformatics The NOAH 1D Modelling System is the first in a range of highly innovative NOAH hydroinformatics tools. NOAH 1D is an advanced modelling system for hydraulic networks under unsteady, predominantly free surface flow conditions. NOAH 1D incorporates the latest developments in information technology, the most up-to-date numerical algorithms and, for the first time in hydroinformatic tools, Object Orientated Numerics.
Special Features
The NOAH 1D Modelling System represents a new approach to the design of hydroinformatic tools. Our object oriented methodology is utilized not only for the graphical user interfaces but also for the numerical code, providing the user with unrivalled computational speed and robustness. The NOAH 1D Modelling System provides steady and unsteady solutions for nearly horizontal flows in networks of channels and/or pipes. Solution is based on the full de Saint Venant equations for flow along a channel or pipe, while a continuity equation and water level compatibility conditions are solved at junctions. The differential equations are approximated by an implicit finite difference scheme and a Generalised Elimination Algorithm (GEA); a highly efficient direct solution method for nearly banded matrices is used to solve the resulting difference equations. Back to top | Features | Screenshots | Requirements | Leaflet | Download | Contact | WRSRL
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