Search Results - "Sechi, Giovanni M."

Multiple-steps scenario optimisation for pumping plants activation in water supply systems by Napolitano, Jacopo, Sechi, Giovanni M.

“…Abstract Economic aspects concerning the high costs related to energy requirements for managing complex water supply systems need a robust strategy,…”
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Trophic state and toxic cyanobacteria density in optimization modeling of multi-reservoir water resource systems by Sulis, Andrea, Buscarinu, Paola, Soru, Oriana, Sechi, Giovanni M

“…The definition of a synthetic index for classifying the quality of water bodies is a key aspect in integrated planning and management of water resource…”
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Comparison of generic simulation models for water resource systems by Sulis, Andrea, Sechi, Giovanni M.

“…In water resource systems that frequently experience severe droughts, generic simulation models can provide useful information for developing drought…”
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Tangible and Intangible Flood damage evaluation by Frongia, Sara, Sechi, Giovanni M., Davison, Mark

“…Flooding and flash floods that cause significant economic and social damage have been widely studied in the last few decades. The European Commission Flood…”
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A Cost-Simulation Approach to Finding Economic Optimality in Leakage Reduction for Complex Supply Systems by Sechi, Giovanni M., Zucca, Riccardo

“…When negotiating for optimal decisions considering complex multi-centre (or multi-district) water supply systems, the optimal economic level of a renovation…”
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Water Resource Allocation in Critical Scarcity Conditions: A Bankruptcy Game Approach by Sechi, Giovanni M., Zucca, Riccardo

“…Water resource allocation in critical scarcity conditions represents a common problem in water-system management in Mediterranean regions. This article…”
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Calibration Procedure of Regional Flow Duration Curves Evaluating Water Resource Withdrawal from Diversion Dams by Sassu, Emanuela, Zucca, Riccardo, Sechi, Giovanni M.

“…In the last decades, climatic changes in Mediterranean regions and frequent events of water resource scarcity in supply systems have required addressing the…”
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Scenario Optimisation of Pumping Schedules in a Complex Water Supply System Considering a Cost–Risk Balancing Approach by Napolitano, Jacopo, Sechi, Giovanni M., Zuddas, Paola

“…The optimisation of water pumping plant activation schedules is a significant issue when managing emergency and costly water transfer under a drought risk…”
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Optimising Pumping Activation in Multi-Reservoir Water Supply Systems under Uncertainty with Stochastic Quasi-Gradient Methods by Sechi, Giovanni M., Gaivoronski, Alexei A., Napolitano, Jacopo

“…Under conditions of water scarcity, the energy saving in operation of water pumping plants and minimization of water deficit for users are frequently…”
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Water Costs Allocation in Complex Systems Using a Cooperative Game Theory Approach by Sechi, Giovanni M., Zucca, Riccardo, Zuddas, Paola

“…The management of complex water resource systems that address water service recovery costs and consider adequate contributions and priorities require methods…”
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Assessment of evolutionary algorithms for optimal operating rules design in real Water Resource Systems by Lerma, Néstor, Paredes-Arquiola, Javier, Andreu, Joaquín, Solera, Abel, Sechi, Giovanni M.

“…Two evolutionary algorithms (EAs) are assessed in this paper to design optimal operating rules (ORs) for Water Resource Systems (WRS). The assessment is…”
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Cost/risk balanced management of scarce resources using stochastic programming by Gaivoronski, Alexei, Sechi, Giovanni M., Zuddas, Paola

“…► We develop multiperiod stochastic programming model for management of scarce resources under uncertainty. ► The model balances the costs of delivery of…”
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Water System Management through a Mixed Optimization-Simulation Approach by Sechi, Giovanni M, Sulis, Andrea

“…Although various strategies have been defined for using optimization and simulation techniques in combination, few of these have been employed in real-world…”
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Using reservoir trophic-state indexes in optimisation modelling of water-resource systems by Sulis, Andrea, Buscarinu, Paola, Sechi, Giovanni M.

“…Water quality is an important factor to consider when attempting to reconcile mathematical optimisation modelling with the physical reality of water-resource…”
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Water Supply Network Optimisation Using Equal Flow Algorithms by Manca, Antonio, Sechi, Giovanni M, Zuddas, Paola

“…Algorithms to optimise water supply networks are developed and compared when a given set of transfer arcs is constrained to carry the same (or proportional)…”
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Multiperiod Hypergraph Models for Water Systems Optimization by Sechi, Giovanni M, Zuddas, Paola

“…Mathematical models describing water resources systems optimization are characterized by a large number of variables and constraints, which are needed to…”
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Dynamic attribution of water quality indexes in a multi-reservoir optimization model by Sechi, Giovanni M., Sulis, Andrea

“…In the southern regions of Mediterranean Europe, the greatest part of water resources for supply systems come from artificial reservoirs. Eutrophication is one…”
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Algorithms for the Simple Equal Flow Problem by Ahuja, Ravindra K, Orlin, James B, Sechi, Giovanni M, Zuddas, Paola

“…The minimum cost flow problem is to determine a least cost shipment of a commodity through a network G = (N, A) in order to satisfy demands at certain nodes…”
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Balancing cost-risk in management optimization of water resource systems under uncertainty by Gaivoronski, Alexei A., Sechi, Giovanni M., Zuddas, Paola

“…► Water system management models are considered for the distribution of scarce resources under uncertainty. ► To address this problem we construct a set of…”
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Mixed Optimization Technique for Large-Scale Water-Resource Systems by Niedda, Marcello, Sechi, Giovanni M

“…Dealing with significantly large design problems for water-resource systems a mixed optimization procedure based on network linear programming and the…”
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