Stochastic Optimization for an Analytical Model of Saltwater Intrusion in Coastal Aquifers

Autor: Y. G. Saridakis, E. P. Papadopoulou, Maria Zakynthinaki, Paris N. Stratis, George P. Karatzas
Jazyk: angličtina
Rok vydání: 2016
Předmět:
Optimization
Imaging Techniques
0208 environmental biotechnology
Geometry
lcsh:Medicine
Fresh Water
Aquifer
ComputerApplications_COMPUTERSINOTHERSYSTEMS
Fluid Mechanics
02 engineering and technology
Research and Analysis Methods
Continuum Mechanics
Physics::Geophysics
Sea Water
Medicine and Health Sciences
ComputerSystemsOrganization_SPECIAL-PURPOSEANDAPPLICATION-BASEDSYSTEMS
Saltwater intrusion
lcsh:Science
Musculoskeletal System
Flow Rate
geography
Multidisciplinary
geography.geographical_feature_category
Petroleum engineering
Applied Mathematics
Simulation and Modeling
Physics
Limbs (Anatomy)
lcsh:R
Biology and Life Sciences
Classical Mechanics
Fluid Dynamics
Toes
020801 environmental engineering
Radii
Fresh water
Physical Sciences
Earth Sciences
Sharp interface
Legs
Environmental science
Stochastic optimization
lcsh:Q
Hydrology
Anatomy
Feet (Anatomy)
Mathematics
Algorithms
Research Article
Zdroj: PLoS ONE, Vol 11, Iss 9, p e0162783 (2016)
PLoS ONE
ISSN: 1932-6203
Popis: The present study implements a stochastic optimization technique to optimally manage freshwater pumping from coastal aquifers. Our simulations utilize the well-known sharp interface model for saltwater intrusion in coastal aquifers together with its known analytical solution. The objective is to maximize the total volume of freshwater pumped by the wells from the aquifer while, at the same time, protecting the aquifer from saltwater intrusion. In the direction of dealing with this problem in real time, the ALOPEX stochastic optimization method is used, to optimize the pumping rates of the wells, coupled with a penalty-based strategy that keeps the saltwater front at a safe distance from the wells. Several numerical optimization results, that simulate a known real aquifer case, are presented. The results explore the computational performance of the chosen stochastic optimization method as well as its abilities to manage freshwater pumping in real aquifer environments.
Databáze: OpenAIRE
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