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Modeling, Simulation and Optimization of a Polluted Water Pumping Process in Open Sea

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Gómez, Susana and Ivorra, Benjamin and Ramos del Olmo, Ángel Manuel and Glowinski, Roland (2013) Modeling, Simulation and Optimization of a Polluted Water Pumping Process in Open Sea. In 36th AMOP Technical Seminar on Environmental Contamination and Response, June 4-6, 2013, Halifax, Nova Scotia, Canadá. (Submitted)

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Official URL: http://www.researchgate.net/publication/260752558_Modeling_simulation_and_optimization_of_a_polluted_water_pumping_process_in_open_sea




Abstract

The objective of this article is to find the optimal trajectory of a pumping (i.e., skimmer) ship, used to clean oil spots in the open sea, in order to pump the maximum quantity of pollutant on a fixed time period. We use a model previously developed to simulate the evolution of the oil spots concentration due to the coupling of diffusion, transport from the wind, sea currents and pumping process and reaction due to the extraction of oil. The trajectory of the ship is directly modeled by considering a finite number of interpolation points for cubic splines. The optimization problem is solved by using a global optimization algorithm based on the hybridization of a Genetic Algorithm with a Semi-Deterministic Secant Method, to improve the population. Finally, we check the efficiency of our approach by solving several numerical examples considering various shapes of oil spots based on real situations.


Item Type:Conference or Workshop Item (Paper)
Uncontrolled Keywords:Sea pollution; Pumping ship; Reaction-Advection-Diffusion model; Optimal trajectory; Global Optimization
Subjects:Sciences > Geology > Hidrology
Sciences > Mathematics > Operations research
ID Code:30253
Deposited On:22 May 2015 07:51
Last Modified:12 Dec 2018 15:06

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