The paper describes a new scheme to simulate discharge propagation phenomena against the flow in open channels and canals. The scheme is based on the application of the integral solution of the parabolic model, linearized around a steady flow profile at every DELTA t, and it is unconditionally stable as consequence of its integral form. The method is generally applicable to mild slope canals (for example irrigation canals) and can also be used in the case of rapidly varying discharge if we accept a small error in advance in the initial phase of the phenomena, that is when the inertial terms are not negligible.
BAP: Uno schema di calcolo per la simulazione di perturbazioni propagantesi contro corrente in canali a pelo libero
FRANCHINI, Marco;
1986
Abstract
The paper describes a new scheme to simulate discharge propagation phenomena against the flow in open channels and canals. The scheme is based on the application of the integral solution of the parabolic model, linearized around a steady flow profile at every DELTA t, and it is unconditionally stable as consequence of its integral form. The method is generally applicable to mild slope canals (for example irrigation canals) and can also be used in the case of rapidly varying discharge if we accept a small error in advance in the initial phase of the phenomena, that is when the inertial terms are not negligible.File in questo prodotto:
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