NDLI: Comparison of theory and experiment in simulation of dam break in a rectangular channel with a sudden change in cross-sectional area

Content Provider	Springer Nature Link
Author	Degtyarev, V. V. Ostapenko, V. V. Kovyrkina, O. A. Zolotykh, A. V.
Copyright Year	2014
Abstract	This paper, presents the results of comparison of theory and laboratory experiment for simulation of the wavy flows resulting from dam break on a sudden change in the rectangular cross-sectional area of a channel whose width is greater upstream than downstream. Exact self-similar solutions containing an heuristic parameter dependent on the total energy of the flow lost on the sudden change in cross-sectional area were obtained using the first approximation of the spatially one-dimensional theory of shallow water. It is shown that theoretical solutions agree quite well with the results laboratory experiments on the possible types of waves, the their propagation velocity, and asymptotic depth values behind their fronts.
Starting Page	999
Ending Page	1004
Page Count	6
File Format	PDF
ISSN	00218944
Journal	Journal of Applied Mechanics and Technical Physics
Volume Number	55
Issue Number	6
e-ISSN	15738620
Language	English
Publisher	Pleiades Publishing
Publisher Date	2014-12-24
Publisher Place	Moscow
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	shallow-water theory sudden change in cross-sectional area dam-break problem self-similar solutions laboratory experiment Mechanics Fluid- and Aerodynamics Classical Continuum Physics Applications of Mathematics Mathematical Modeling and Industrial Mathematics Mechanical Engineering
Content Type	Text
Resource Type	Article
Subject	Mechanics of Materials Condensed Matter Physics Mechanical Engineering

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