Research Article
Oct 1970
Unsteady Flow in Channel of Variable Cross Section
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VIEW THE REPLYAuthor: John EllisAuthor Affiliations
Publication: Journal of the Hydraulics Division
Volume 96, Issue 10
Abstract
Characteristic equations describing one-dimensional unsteady open-channel flow in an irregular channel are developed. The integration of these characteristic equations is presented and methods of approximation for the evaluation of the integrals involved in these characteristic equations are considered. The most promising of these numerical integration techniques are incorporated in computer procedures which are linked to form a complete program. This program is used in the modeling of the tidal motion in an inlet of the sea. The particular inlet chosen was one which contained large changes of cross-sectional shape along its length. The varying geometrical properties of the inlet, along its length, are included in the analysis by the preparation of tables of section properties with water level for a series of cross-sections. This information is read into the computer at the start of computations. Comparisons are made between computed water levels and actual field records.
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Published In
Journal of the Hydraulics Division
Volume 96 • Issue 10 • October 1970
Pages: 1927 - 1945
Copyright
© 1970 American Society of Civil Engineers.
History
Published in print: Oct 1970
Published online: Feb 3, 2021
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Authors
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John Ellis
Postgraduate Student; Univ. of Strathclyde, Glasgow, Scotland
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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.
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.