Research Article
Jul 1979
Simulation of Transient Supercritical Channel Flow
Publication: Journal of the Hydraulics Division
Volume 105, Issue 7
Abstract
Two explicit numerical integration methods applied to the characteristics form of the St. Venant equations are investigated for the solution of transient supercritical open-channel flow problems. The characteristics-grid method which has been widely used for transient subcritical problems is found to be unworkable in the supercritical regime. The rectangular-grid method is found to be more useful, but becomes unstable for mesh spacings greater than 100 ft (30.5 m) and for flows exceeding the stability Froude number. Integration methods developed for subcritical transient simulation are therefore not readily and universally adaptable to the supercritical regime.
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Published In
Journal of the Hydraulics Division
Volume 105 • Issue 7 • July 1979
Pages: 859 - 875
Copyright
© 1979 American Society of Civil Engineers.
History
Published in print: Jul 1979
Published online: Feb 3, 2021
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Authors
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Jerome J. Zovne, M.ASCE
Assoc. Prof. of Civ. Engrg., Kansas State Univ., Manhattan, Kan.
C. Samuel Martin, M.ASCE
Prof. of Civ. Engrg., School of Civ. Engrg., Georgia Inst. of Tech., Atlanta, Ga.
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.