Research Article
Apr 1980
Finite Element Method for Direct Runoff Flow
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VIEW THE REPLYAuthors: Mutsuto Kawahara and Teruyuki YokoyamaAuthor Affiliations
Publication: Journal of the Hydraulics Division
Volume 106, Issue 4
Abstract
The Galerkin finite element method based on the linear interpolation function and explicit numerical integration scheme in time is used. Three numerical examples are illustrated. The first example is the validation of the present method. The numerical results have compared with the experimental data and the analytical solution. Both results are well in agreement. The second example discusses the selection of the refinement of the finite element mesh and the time increment. Useful suggestion is presented for the selection of the time increment. The third example shows the computation of the direct-runoff flow over Ina basis of Tenryu River. The bed resistance is seen to have a significant effects both on the flow pattern and on the computational stability. The finite element method presented in this paper is shown to be adaptable for the prediction analysis of flow change due to structures.
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Published In
Journal of the Hydraulics Division
Volume 106 • Issue 4 • April 1980
Pages: 519 - 534
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© 1980 American Society of Civil Engineers.
History
Published in print: Apr 1980
Published online: Feb 3, 2021
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Mutsuto Kawahara
Assoc. Prof.; Dept. of Civ. Engrg., Chuo Univ., Kasuga, Bunkyo-ku, Tokyo, Japan
Teruyuki Yokoyama
Grad. Student; Dept. of Civ. Rngrg., Chou Univ., Kasuga, Bunkyo-ku, Tokyo, Japan
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