✦ LIBER ✦

A finite volume scheme for a model coupling free surface and pressurised flows in pipes

✍ Scribed by C. Bourdarias; S. Gerbi

Publisher: Elsevier Science
Year: 2007
Tongue: English
Weight: 660 KB
Volume: 209
Category: Article
ISSN: 0377-0427
DOI: 10.1016/j.cam.2006.10.086

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✦ Synopsis

A model is derived for the coupling of transient free surface and pressurized flows. The resulting system of equations is written under a conservative form with discontinuous gradient of pressure. We treat the transition point between the two types of flows as a free boundary associated to a discontinuity of the gradient of pressure. The numerical simulation is performed by making use of a Roe-like finite volume scheme that we adapted to such discontinuities in the flux. The validation is performed by comparison with experimental results.

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