Research Article
May 1972
Mathematical Model of River Hooghly
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VIEW THE REPLYAuthors: Donald M. McDowell, M.ASCE, and David PrandleAuthor Affiliations
Publication: Journal of the Waterways, Harbors and Coastal Engineering Division
Volume 98, Issue 2
Abstract
Finite difference solutions to the one-dimensional equations of motion for shallow water waves have been applied to the tidal region of the River Hooghly. Reproduction of flow conditions was achieved by optimization of the friction parameters and refinements or adjustments to the available data. The mathematical model formulated is capable of satisfactory reproduction of tidal levels and velocities throughout the section of the river considered. The neglect of the tidal bore as a discontinuity did not adversely affect the overall reproduction of tidal elevations in the river. If a more detailed reproduction of the propagation of the bore is required recourse should be made to the method of characteristics. Comparison of the two finite difference schemes suggests that improvement in the overall accuracy of the model is unlikely to result from increased accuracy in the numerical solution of the equations of motion.
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Published In
Journal of the Waterways, Harbors and Coastal Engineering Division
Volume 98 • Issue 2 • May 1972
Pages: 225 - 242
Copyright
© 1972 American Society of Civil Engineers.
History
Published in print: May 1972
Published online: Feb 12, 2021
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Authors
Affiliations
Donald M. McDowell, M.ASCE
Prof. of Hydrodynamics and Hydrology, Manchester Univ., Manchester, England
David Prandle
Consultant, Natl. Res. Council of Canada, Ottawa, Canada
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