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Erschienen in:
2020 | OriginalPaper | Buchkapitel
77. Validation of a Semi-automatically Calibrated 1-D Open-Channel Model Against Experimental Data with Changes in Channel Geometry
verfasst von : Adeline Visse, François-Xavier Cierco, Luc Duron, Pierre-Loïk Rothé, Yoan Gressier
Erschienen in: Advances in Hydroinformatics
Verlag: Springer Singapore
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Abstract
We validated a 1-D numerical code designed for open-channel flows simulations in subcritical conditions against existing experimental data and simulations published in Lilas et al. [13] and others. Such benchmark was performed after recent improvements and maintenance of the code including the development of a semi-automatic calibration module (Rothé et al. [23]). That code, named Fudaa-Crue, was developed by Compagnie Nationale du Rhône (CNR) to the purpose of river engineering and power production management. It is operated both in operational conditions (industrial process) and for engineering studies.
In that paper, we focused on different methodological aspects related to cross comparisons between data and simulations. To that purpose, parts of the calibration guidelines proposed in Malaterre et al. [14] and Rothé et al. [23] were tested. The metrics defined in Lilas et al. [13] were also discussed and specific new metrics dedicated for calibration procedure were proposed. Therefore, parts of the numerical results published in Lilas et al. [13] were re-processed in order to derive those new metrics.
In many cases, the calibration procedure was proven to play a role as significant as the modelling technique in the simulation quality. Nevertheless, the present data set does not allow concluding firmly on the predictive capabilities of the model for rare events.