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The second Workshop on "Quality and Reliability of Large-Eddy Simulations", QLES2009, was held at the University of Pisa from September 9 to September 11, 2009. Its predecessor, QLES2007, was organized in 2007 in Leuven (Belgium). The focus of QLES2009 was on issues related to predicting, assessing and assuring the quality of LES. The main goal of QLES2009 was to enhance the knowledge on error sources and on their interaction in LES and to devise criteria for the prediction and optimization of simulation quality, by bringing together mathematicians, physicists and engineers and providing a platform specifically addressing these aspects for LES. Contributions were made by leading experts in the field. The present book contains the written contributions to QLES2009 and is divided into three parts, which reflect the main topics addressed at the workshop: (i) SGS modeling and discretization errors; (ii) Assessment and reduction of computational errors; (iii) Mathematical analysis and foundation for SGS modeling.

Eddies -- Mathematical models -- Congresses. --- Eddies -- Simulation methods -- Reliability -- Congresses. --- Civil & Environmental Engineering --- Engineering & Applied Sciences --- Applied Mathematics --- Civil Engineering --- Applied Physics --- Eddies --- Simulation methods --- Reliability --- Mathematical models --- Physics. --- Computer simulation. --- Computer mathematics. --- Fluids. --- Fluid mechanics. --- Fluid- and Aerodynamics. --- Simulation and Modeling. --- Computational Science and Engineering. --- Engineering Fluid Dynamics. --- Hydromechanics --- Continuum mechanics --- Hydraulics --- Mechanics --- Physics --- Hydrostatics --- Permeability --- Computer mathematics --- Discrete mathematics --- Electronic data processing --- Computer modeling --- Computer models --- Modeling, Computer --- Models, Computer --- Simulation, Computer --- Electromechanical analogies --- Model-integrated computing --- Natural philosophy --- Philosophy, Natural --- Physical sciences --- Dynamics --- Mathematics --- Fluid dynamics --- Turbulence --- Water currents --- Whirlpools --- Computer science. --- Hydraulic engineering. --- Informatics --- Science --- Engineering, Hydraulic --- Engineering --- Fluid mechanics --- Shore protection

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The Water Global Practice, under the WSS GSG Utility Turnaround thematic area, has implemented the Global Study on WSS Utility Aggregation to provide evidence-based guidance to policy makers and practitioners regarding when, why, and how water and sanitation utilities can work together ("aggregate") to successfully deliver specific policy outcomes, such as better services or lower costs. This work builds on a review of existing literature and an analysis of both qualitative and quantitative evidence, a global data set of international trends, a utility performance database, and a series of case studies. The deep-dive of 14 case studies of aggregation processes in seven countries (Brazil, Colombia, Hungary, Indonesia, Portugal, Mozambique, Romania) allowed conducting a qualitative analysis, by centering on the stakeholders involved, the decisions made, the roles of sector actors and their incentives, and the perceived outcomes with a view to bringing forward the essence of each case experience. The selection of the countries and specific providers was done in a manner to ensure a diversity of geography, development level, size, and aggregation design.

Environment --- Hygiene --- Water --- Water Policy & Governance --- Water Resources --- Water Resources Management --- Water Supply --- Water Supply and Sanitation --- Water Supply and Sanitation Economics --- Water Supply and Sanitation Governance and Institutions

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The Water Global Practice, under the WSS GSG Utility Turnaround thematic area, has implemented the Global Study on WSS Utility Aggregation to provide evidence-based guidance to policy makers and practitioners regarding when, why, and how water and sanitation utilities can work together ("aggregate") to successfully deliver specific policy outcomes, such as better services or lower costs. This work builds on a review of existing literature and an analysis of both qualitative and quantitative evidence, a global data set of international trends, a utility performance database, and a series of case studies. The deep-dive of 14 case studies of aggregation processes in seven countries (Brazil, Colombia, Hungary, Indonesia, Portugal, Mozambique, Romania) allowed conducting a qualitative analysis, by centering on the stakeholders involved, the decisions made, the roles of sector actors and their incentives, and the perceived outcomes with a view to bringing forward the essence of each case experience. The selection of the countries and specific providers was done in a manner to ensure a diversity of geography, development level, size, and aggregation design.

Drinking Water --- Environment --- Water Policy & Governance --- Water Resources --- Water Resources Management --- Water Supply --- Water Supply and Sanitation --- Water Supply and Sanitation Economics --- Water Supply and Sanitation Governance and Institutions

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The Water Global Practice, under the WSS GSG Utility Turnaround thematic area, has implemented the Global Study on WSS Utility Aggregation to provide evidence-based guidance to policy makers and practitioners regarding when, why, and how water and sanitation utilities can work together ("aggregate") to successfully deliver specific policy outcomes, such as better services or lower costs. This work builds on a review of existing literature and an analysis of both qualitative and quantitative evidence, a global data set of international trends, a utility performance database, and a series of case studies. The deep-dive of 14 case studies of aggregation processes in seven countries (Brazil, Colombia, Hungary, Indonesia, Portugal, Mozambique, Romania) allowed conducting a qualitative analysis, by centering on the stakeholders involved, the decisions made, the roles of sector actors and their incentives, and the perceived outcomes with a view to bringing forward the essence of each case experience. The selection of the countries and specific providers was done in a manner to ensure a diversity of geography, development level, size, and aggregation design.

Corporate Governance --- Environment --- Equity --- Water Policy & Governance --- Water Resources --- Water Resources Management --- Water Supply --- Water Supply and Sanitation --- Water Supply and Sanitation Economics --- Water Supply and Sanitation Governance and Institutions

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• Reference Manager
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The Water Global Practice, under the WSS GSG Utility Turnaround thematic area, has implemented the Global Study on WSS Utility Aggregation to provide evidence-based guidance to policy makers and practitioners regarding when, why, and how water and sanitation utilities can work together ("aggregate") to successfully deliver specific policy outcomes, such as better services or lower costs. This work builds on a review of existing literature and an analysis of both qualitative and quantitative evidence, a global data set of international trends, a utility performance database, and a series of case studies. The deep-dive of 14 case studies of aggregation processes in seven countries (Brazil, Colombia, Hungary, Indonesia, Portugal, Mozambique, Romania) allowed conducting a qualitative analysis, by centering on the stakeholders involved, the decisions made, the roles of sector actors and their incentives, and the perceived outcomes with a view to bringing forward the essence of each case experience. The selection of the countries and specific providers was done in a manner to ensure a diversity of geography, development level, size, and aggregation design.

Environment --- Water Policy & Governance --- Water Resources --- Water Resources Management --- Water Supply --- Water Supply and Sanitation --- Water Supply and Sanitation Economics --- Water Supply and Sanitation Governance and Institutions