Research Article
Dec 1977
Shallow Wave Propagation in Open Channel Flow
Publication: Journal of the Hydraulics Division
Volume 103, Issue 12
Abstract
The propagation characteristics of various types of shallow water waves in open channel flow are calculated on the basis of linear stability theory. The celerity and attenuation functions of kinematic, diffusion, convective dynamic, dynamic and gravity waves, are derived. For the most general case, i.e., the dynamic wave model, the propagation characteristics are expressed as a function of the steady uniform flow Froude number and the dimensionless wave number of the unsteady component of the motion. For the dynamic model, the wave number spectrum is divided into three bands: 1)A gravity band corresponding to large wave number, where the wave celerity is the gravity wave celerity; 2)a kinematic band corresponding to a small wave number where the wave celerity is the kinematic wave celerity; and 3)a dynamic band corresponding to mid-spectrum values of the wave number, where the wave celerity falls between the gravity and kinematic celerity values.
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Published In
Journal of the Hydraulics Division
Volume 103 • Issue 12 • December 1977
Pages: 1461 - 1476
Copyright
© 1977 American Society of Civil Engineers.
History
Published in print: Dec 1977
Published online: Feb 3, 2021
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Authors
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Victor Miguel Ponce, M.ASCE
Asst. Prof. of Civ. Engrg., Colorado State Univ., Fort Collins, Colo
Daryl B. Simons, F.ASCE
Prof. of Civ. Engrg., and Assoc. Dean of Research, Colorado State Univ., Fort Collins, Colo
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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.
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.
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.