Multi-Objective Hydraulic Optimization of Diversion Dam’s Cut-Off

Multi-Objective Hydraulic Optimization of Diversion Dam’s Cut-Off Water Resour Manage https://doi.org/10.1007/s11269-018-2015-4 Multi-Objective Hydraulic Optimization of Diversion Dam’s Cut-Off 1 2 Nafiseh Khoramshokooh & Mehdi Veiskarami & Mohammad Reza Nikoo & Somayeh Pourvahedi Roshandeh Received: 1 February 2018 /Accepted: 16 May 2018 Springer Science+Business Media B.V., part of Springer Nature 2018 Abstract The seepage flow beneath a hydraulic structure is formed by the hydraulic head difference between the upstream and downstream sides. Cut-off walls are often applied, as an expedience, to reduce the seepage flow through the foundation of diversion dams and to enhance the efficiency of these dams. In this research, perhaps for the first time, a novel methodology is propounded to assess the optimum characteristics of cut-off walls in diversion dams in order to ameliorate hydraulic interactions between the diversion dam foundation and the cut-off walls behavior, also their construction cost is minimized. The results are used to train and validate the Multi-Layer Perceptron (MLP) simulation model. Then MLP, as a meta- model for simulation of the hydraulic behavior of cut-off walls, is coupled with a robust multi- objective optimization algorithm, Non-dominated Sorting Genetic Algorithm-ΙΙ (NSGA-ΙΙ), to create a trade-off between the intended goals. Finally, Preference Ranking Organization METHod for Enrichment Evaluation (PROMETHEE) decision making http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Water Resources Management Springer Journals

Multi-Objective Hydraulic Optimization of Diversion Dam’s Cut-Off

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Publisher
Springer Netherlands
Copyright
Copyright © 2018 by Springer Science+Business Media B.V., part of Springer Nature
Subject
Earth Sciences; Hydrogeology; Hydrology/Water Resources; Geotechnical Engineering & Applied Earth Sciences; Atmospheric Sciences; Civil Engineering; Environment, general
ISSN
0920-4741
eISSN
1573-1650
D.O.I.
10.1007/s11269-018-2015-4
Publisher site
See Article on Publisher Site

Abstract

Water Resour Manage https://doi.org/10.1007/s11269-018-2015-4 Multi-Objective Hydraulic Optimization of Diversion Dam’s Cut-Off 1 2 Nafiseh Khoramshokooh & Mehdi Veiskarami & Mohammad Reza Nikoo & Somayeh Pourvahedi Roshandeh Received: 1 February 2018 /Accepted: 16 May 2018 Springer Science+Business Media B.V., part of Springer Nature 2018 Abstract The seepage flow beneath a hydraulic structure is formed by the hydraulic head difference between the upstream and downstream sides. Cut-off walls are often applied, as an expedience, to reduce the seepage flow through the foundation of diversion dams and to enhance the efficiency of these dams. In this research, perhaps for the first time, a novel methodology is propounded to assess the optimum characteristics of cut-off walls in diversion dams in order to ameliorate hydraulic interactions between the diversion dam foundation and the cut-off walls behavior, also their construction cost is minimized. The results are used to train and validate the Multi-Layer Perceptron (MLP) simulation model. Then MLP, as a meta- model for simulation of the hydraulic behavior of cut-off walls, is coupled with a robust multi- objective optimization algorithm, Non-dominated Sorting Genetic Algorithm-ΙΙ (NSGA-ΙΙ), to create a trade-off between the intended goals. Finally, Preference Ranking Organization METHod for Enrichment Evaluation (PROMETHEE) decision making

Journal

Water Resources ManagementSpringer Journals

Published: May 31, 2018

References

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