Optimal Design of Parabolic Canal Section
Publication: Journal of Irrigation and Drainage Engineering
Volume 131, Issue 6
Abstract
Optimal design equations for a parabolic canal section are presented in this paper. The design equations for a minimum earthwork cost section and a minimum cost lined section are in explicit form and result in optimal dimensions of a canal in single step computations. These have been obtained after applying the Fibbonaci search method on a nonlinear unconstrained optimization problem. The study also addresses the bounds on the canal dimensions and the velocity of flow. A nondimensional parameter approach has been used to simplify the analysis, and a set of graphs for nondimensional parameters are presented as an alternative for design. Design procedures for different cases have been presented to demonstrate the simplicity of the method.
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Acknowledgment
The writer would like to thank the anonymous reviewers for their insightful review and constructive suggestions, which resulted in a significant improvement of the manuscript.
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Published In
Journal of Irrigation and Drainage Engineering
Volume 131 • Issue 6 • December 2005
Pages: 546 - 554
Copyright
© 2005 ASCE.
History
Received: Nov 11, 2003
Accepted: Dec 30, 2004
Published online: Dec 1, 2005
Published in print: Dec 2005
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