Modélisationh ydrauriqued 'un oueda lgérien en tenantc ompted e I'effet de la dissipationd ,énergie (cas de l'oued K'sob)
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Date
2014
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Publisher
University of M'sila
Abstract
Floodsa re a typical of unsteadyfl ows casesT. hesef lows are governedb y the hydraulic
modelss uch 1D modelsw hich are basedo n theBarré-SainVt enant equationsr epresentingth e
conservationla ws of massa nd momentum.I n this work, we used the lD code "Rhubarb"o f
Irsteao f Lyon to simulatet he violent flood of 23-09-1994o n the reacho f K'sob wadi which
crossesth e city of M'sila. The obtainedr esultsw ereu sedt o draw the overflow aleal imits; these
limits \ilerec omparedto the real limits with a gooda ccuracy.
A secondp art of this work was devotedt o the examinationo f the effect of the losslaws
on the quatity of the results of hydraulic codes. Through a several simulations (in the same
conditions)w ith six friction formulas,w e found that thesef ormulasc an significantlyd isrupto r
enhanceth e resultso f Rhubarb.accordintgo the validify domaino f the usedf ormula