Free access
La Houille Blanche
Number 8, Décembre 1995
Page(s) 29 - 34
Published online 01 August 2009
La Houille Blanche, N°8 (Décembre 1995), pp. 29-34
DOI: 10.1051/lhb/1995077

Une méthode simple pour le calcul des ondes de rupture de barrage

André Paquier et Olivier Robin

CEMAGREF, Division Hydrologie-Hydraulique, 3 bis, quai Chauveau, CP 220, 69336 Lyon Cedex 09

Abstract - A simple method for the computation of dam-break waves
We describe a simplified method for computing dam-break waves and the results of the corresponding validation tests. Computation for one given cross section only uses data relative to the dam and that section completed by the Manning-Strickler coefficient for the reach between the dam and that section. The references of the various comparisons consist of computations with a model solving de Saint-Venant equations. Results are generally good as well for maximum water heights (difference less than 30% in more than 90% of sections) as for maximum velocities and wave arrival times. We also note this important point that the uniform flow equation is verified between maximum discharge and maximum water height.

© Société Hydrotechnique de France 1995

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