By Philippe Gourbesville, Jean Cunge, Guy Caignaert
The ebook is a set of prolonged papers which were chosen for presentation throughout the SIMHYDRO 2012 convention held in Sophia Antipolis in September 2012. The papers current the cutting-edge numerical simulation in domain names corresponding to (1) New tendencies in modelling for marine, river & city hydraulics; (2) Stakeholders & practitioners of simulation; (3) 3D CFD & purposes. All papers were peer reviewed and by means of clinical committee contributors with record approximately caliber, content material and originality. the objective viewers for this ebook comprises scientists, engineers and practitioners excited about the sphere of numerical modelling within the water zone: flood administration, usual assets maintenance, hydraulic machineries, and innovation in numerical tools, 3D advancements and functions.
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Additional info for Advances in Hydroinformatics: SIMHYDRO 2012 – New Frontiers of Simulation
Danish: Danish Hydraulics Institute. Hydraulic Modelling for Rhône River Operation Laëtitia Grimaldi, Guillaume Bontron and Pierre Balayn Abstract CNR is France’s leading producer of exclusively renewable energy—with 18 hydroelectric power plants along the Rhône, providing a capacity of 3,000 MW. In order to operate these plants, the CNR has developed several made-to-measure hydroinformatic tools for various purposes, whether they are studies or operational applications. The studies undertaken are mainly based upon type 1-D looped-network hydraulic model with storage areas, covering the full length of the Rhône.
Hydraulic Modelling for Rhône River Operation 43 Starting from the reference model, an operational model can be created to meet specific operational requirements: this may involve specialisation of data and the removal or alteration of certain of the entities included in the reference model, for example, certain storage areas could be removed or grouped, certain weir-feeding flood expansion zones could be simplified in the modelling. , reducing computing time-step) to prevent the propagation of digital instabilities when filling the storage areas.
Various modelling strategies have been used, from very fast simplified Q/Q Muskingum-type models to the complete linking of 1-D hydraulic models with storage areas over the full length of the river. The various modelling choices made are all summarised in Table 1. 3 Boundary Conditions This requirement for model stability and robustness leads to a similar requirement being imposed on the availability of the input data used as boundary conditions in operational models. ) In order to guarantee the availability of these data, the CNR has introduced a series of strategies throughout the data acquisition chain to match data use: redundant sensors and power supplies, partnerships with sites useful for forecasting but not required for control, use of separate control and forecast databases, fail-safe modes, etc.
Advances in Hydroinformatics: SIMHYDRO 2012 – New Frontiers of Simulation by Philippe Gourbesville, Jean Cunge, Guy Caignaert