Design of Barrages with Genetic Algorithm Based Embedded Simulation Optimization Approach

Raj Singh ()

Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), 2011, vol. 25, issue 2, 409-429

Abstract: Barrages are hydraulic structures constructed across rivers to divert flow into irrigation canals or power generation channels. The most of these structures are founded on permeable foundation. The optimum cost of these structures is nonlinear function of factors that cause the seepage forces under the structure. There is, however, no procedure to ascertain the basic barrage parameters such as depth of sheet piles or cutoffs and the length and thickness of floor in a cost–effective manner. In this paper, a nonlinear optimization formulation (NLOF), which consists of an objective function of minimizing total cost, is solved using genetic algorithm (GA). The mathematical model that represents the subsurface flow is embedded in the NLOF. The applicability of the approach has been illustrated with a typical example of barrage profile. The results obtained in this study shows drastic cost savings when the proposed NLOF is solved using GA than that of using classical optimization technique and conventional method. A parametric analysis has also been performed to study the effect of varying soil and hydrological conditions on design parameters and on over all cost. Copyright Springer Science+Business Media B.V. 2011

Keywords: Subsurface flow; Hydraulic structures; Barrages; Embedded simulation optimization; Seepage head; Genetic algorithm based optimization (search for similar items in EconPapers)
Date: 2011
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DOI: 10.1007/s11269-010-9706-9

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