<abstract xmlns="http://www.w3.org/1999/xhtml"><p><italic>Unsteady flows in channels and rivers combine a number of very complex natural</italic><italic>phenomena, particularly phenomena related to the wave propagation caused by gravity or</italic><italic>floods. The free surface flows relative to flows are regulated by the dynamic equilibrium of</italic><italic>the forces of gravity, inertia and friction (Hervouet, 2003).In this present research study the</italic><italic>focus is primarily on the dynamic behavior of flows in an open channel, which occurs after</italic><italic>the opening of a partition in the case of an enlargement and finally an abrupt drop. The</italic><italic>numerical integration of the governing hyperbolic partial differential equations allowed us</italic><italic>to better understand the phenomenon studied in the three cases cited above. Solving these</italic><italic>equations could be realized by using a FORTRAN calculation program that we developed.</italic></p></abstract>

Unsteady flows in channels and rivers combine a number of very complex naturalphenomena, particularly phenomena related to the wave propagation caused by gravity orfloods. The free surface flows relative to flows are regulated by the dynamic equilibrium ofthe forces of gravity, inertia and friction (Hervouet, 2003).In this present research study thefocus is primarily on the dynamic behavior of flows in an open channel, which occurs afterthe opening of a partition in the case of an enlargement and finally an abrupt drop. Thenumerical integration of the governing hyperbolic partial differential equations allowed usto better understand the phenomenon studied in the three cases cited above. Solving theseequations could be realized by using a FORTRAN calculation program that we developed.

Numerical Integration of Abruptly Unsteady Flows in an Open Channel

Department of Hydraulics – Institute of Civil Engineering, Hydraulics and Architecture Batna University Street of Chahid Boukhlouf Med El Hadi CP 05000 – Batna, Algeria

Slovak Journal of Civil Engineering

{"article-title":"Numerical Integration of Abruptly Unsteady Flows in an Open Channel"}

Unsteady flows in channels and rivers combine a number of very complex naturalphenomena, particularly phenomena related to the wave propagation caused by...

Numerical Integration of Abruptly Unsteady Flows in an Open Channel

Pubblicato online: 17 gen 2013

Pagine: 52 - 56

DOI: https://doi.org/10.2478/v10189-012-0022-7

This content is open access.