Research Article
Mar 1976
Finite Element Model for Cohesive Sediment Transport
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VIEW THE REPLYAuthors: Ranjan Ariathurai and Ray B. Krone, M.ASCEAuthor Affiliations
Publication: Journal of the Hydraulics Division
Volume 102, Issue 3
Abstract
A mathematical model that simulates erosion, transport and deposition of cohesive sediments in a two-dimensional flow field is presented. The governing equations are solved by the finite element method using the Galerkin formulation. The domain is subdivided into a series of triangular elements in which a quadratic approximation is made for the suspended sediment concentration. Expressions used for the rate and conditions under which erosion and deposition occur are from previous experimental studies. Continuing aggregation is accounted for by specifying the settling velocity of the flocs in each element. The model is verified by comparison with analytic solutions and the results of a flume test.
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Published In
Journal of the Hydraulics Division
Volume 102 • Issue 3 • March 1976
Pages: 323 - 338
Copyright
© 1976 American Society of Civil Engineers.
History
Published in print: Mar 1976
Published online: Feb 3, 2021
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Ranjan Ariathurai
Assoc. Development Engr., Dept. of Civ. Engrg., Univ. of California, Davis, Calif
Ray B. Krone, M.ASCE
Prof., Dept. of Civ. Engrg., Univ. of California, Davis, Calif
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