MODELING OF IRRIGATION CHANNELS — A COMPARATIVE STUDY

Olivier Marcou (), Bastien Chopard () and Samira El Yacoubi ()
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Olivier Marcou: Computer Science Department, University of Geneva, 24 rue General-Dufour, CH-1211 Geneva 4, Switzerland;
Bastien Chopard: Computer Science Department, University of Geneva, 24 rue General-Dufour, CH-1211 Geneva 4, Switzerland
Samira El Yacoubi: MEPS/LTS, Université de Perpignan, 52, Avenue Paul Alduy, Perpignan Cedex, F-66860, France

International Journal of Modern Physics C (IJMPC), 2007, vol. 18, issue 04, 739-748

Abstract: A free surface Lattice Boltzmann (LB) model – based on a two-fluid system – is considered to simulate the flow of water in an irrigation canal. We compare the behavior of our numerical simulations with simple experiments and theoretical results obtained from the Saint-Venant equation, the partial differential equation commonly used to describe water flow in irrigation canals. The case study we consider are (1) the height of water along the canal in a stationary regime and (2) a draining experiment. The comparisons show that the two-fluid LB approach captures correctly the draining speed and the qualitative water profile.

Keywords: Lattice Boltzmann; free-surface flows; Shan-Chen model; Saint-Venant equation; 11.25.Hf; 123.1K (search for similar items in EconPapers)
Date: 2007
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DOI: 10.1142/S0129183107011005

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