Please use this identifier to cite or link to this item: https://hdl.handle.net/11499/10750
Title: Optimal dewatering of an excavation site by using the linked simulation–optimization approaches
Authors: Ayvaz, Mustafa Tamer
Keywords: Construction site dewatering
Groundwater modeling
Optimization
Simulation
Evolutionary algorithms
Excavation
Groundwater
Groundwater flow
Construction sites
Differential Evolution
Groundwater Flow Model
Optimization algorithms
Optimization approach
Penalty function approach
Dewatering
ground water
algorithm
drawdown
experimental design
groundwater flow
hydrological modeling
optimization
performance assessment
pumping
simulation
aquifer
Article
construction work and architectural phenomena
dewatering
evolution
excavation site
hydraulic conductivity
reaction optimization
water flow
Publisher: IWA Publishing
Abstract: In this study, a linked simulation–optimization approach is proposed for optimal dewatering system design for an excavation site. In the simulation part of the proposed approach, an analytical groundwater flow model is used to simulate the flow process in the subsurface. This model is then integrated with two different optimization models where differential evolution (DE) and harmony search (HS) optimization algorithms are used. The objectives of both models are to determine the best dewatering system configuration by considering locations and pumping rates as decision variables. During the search process, the constraints related to drawdown and well locations are included in the optimization by using the penalty function approach. The performance of DE- and HS-based solution approaches is evaluated on a hypothetical excavation site for different well numbers. Identified results indicated that the DE-based solution approach provides slightly better results than those obtained by using the HS-based solution approach. © IWA Publishing 2018.
URI: https://hdl.handle.net/11499/10750
https://doi.org/10.2166/ws.2017.175
ISSN: 1606-9749
Appears in Collections:Mühendislik Fakültesi Koleksiyonu
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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