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Mathematical Optimization Of Water Networks
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Book Synopsis Mathematical Optimization of Water Networks by : Alexander Martin
Download or read book Mathematical Optimization of Water Networks written by Alexander Martin and published by Springer Science & Business Media. This book was released on 2012-06-30 with total page 202 pages. Available in PDF, EPUB and Kindle. Book excerpt: Water supply- and drainage systems and mixed water channel systems are networks whose high dynamic is determined and/or affected by consumer habits on drinking water on the one hand and by climate conditions, in particular rainfall, on the other hand. According to their size, water networks consist of hundreds or thousands of system elements. Moreover, different types of decisions (continuous and discrete) have to be taken in the water management. The networks have to be optimized in terms of topology and operation by targeting a variety of criteria. Criteria may for example be economic, social or ecological ones and may compete with each other. The development of complex model systems and their use for deriving optimal decisions in water management is taking place at a rapid pace. Simulation and optimization methods originating in Operations Research have been used for several decades; usually with very limited direct cooperation with applied mathematics. The research presented here aims at bridging this gap, thereby opening up space for synergies and innovation. It is directly applicable for relevant practical problems and has been carried out in cooperation with utility and dumping companies, infrastructure providers and planning offices. A close and direct connection to the practice of water management has been established by involving application-oriented know-how from the field of civil engineering. On the mathematical side all necessary disciplines were involved, including mixed-integer optimization, multi-objective and facility location optimization, numerics for cross-linked dynamic transportation systems and optimization as well as control of hybrid systems. Most of the presented research has been supported by the joint project „Discret-continuous optimization of dynamic water systems“ of the federal ministry of education and research (BMBF).
Book Synopsis DECISION SUPPORT SYSTEMS FOR WATER SUPPLY SYSTEMS by :
Download or read book DECISION SUPPORT SYSTEMS FOR WATER SUPPLY SYSTEMS written by and published by . This book was released on 2020 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Optimal Design of Water Distribution Networks Using Harmony Search by : Zong Woo Geem
Download or read book Optimal Design of Water Distribution Networks Using Harmony Search written by Zong Woo Geem and published by LAP Lambert Academic Publishing. This book was released on 2009-08 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt: Traditional mathematical optimization methods, such as linear programming (LP), nonlinear programming (NLP) and dynamic programming (DP), often have drawbacks in practice. To overcome these drawbacks, various meta-heuristic optimization techniques have been developed. This study proposes a new meta- heuristic algorithm which mimics musical performance, and names as Harmony Search (HS). The HS algorithm is applied to five problems: a continuous function optimization, a hydrologic parameter calibration, a traveling salesman problem, an optimal design of water supply network, and an optimal expansion of water supply network. The comparison of solutions obtained by HS and other optimization techniques shows that the HS algorithm can find better solutions in less number of iterations. The new algorithm can solve continuous-variable problems as well as discrete- variable problems without unnecessary restrictions imposed by calculus-based algorithms.
Book Synopsis Modeling and Optimization of Transients in Water Distribution Networks with Intermittent Supply by : Anna Marie Lieb
Download or read book Modeling and Optimization of Transients in Water Distribution Networks with Intermittent Supply written by Anna Marie Lieb and published by . This book was released on 2016 with total page 133 pages. Available in PDF, EPUB and Kindle. Book excerpt: Much of the world's rapidly growing urban population relies upon water distribution systems to provide treated water through networks of pipes. Rather than continuously supplying water to users, many of these distribution systems operate intermittently, with parts of the network frequently losing pressure or emptying altogether. Such intermittent water supply deleteriously impacts water availability, infrastructure, and water quality for hundreds of millions of people around the world. In this work I introduce the problem of intermittent water supply through the lens of applied mathematics. I first introduce a simple descriptive mathematical model that captures some hydraulic features of intermittency not accounted for by existing water distribution system software packages. I then consider the potential uses of such a model in a variety of optimization examples motivated by real-world applications. In simple test networks, I show how to reduce pressure gradients while the network fills by changing either the inflow patterns or the elevation profile. I also show test examples of using measured data to potentially recover unknown information such as initial conditions or boundary outflows. I then use sensitivity analysis to better understand how various parameters control model output, with an eye to figuring out which parameters are worth measuring most carefully in field applications, and also which parameters may be useful in an optimization setting. I lastly demonstrate some progress in descriptively modeling a real network, both through the introduced mathematical model and through a fluid-mechanics-based method for identifying data where the model is most useful.
Book Synopsis Modeling, Control and Optimization of Water Systems by : Thomas Rauschenbach
Download or read book Modeling, Control and Optimization of Water Systems written by Thomas Rauschenbach and published by Springer. This book was released on 2015-12-14 with total page 308 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides essential background knowledge on the development of model-based real-world solutions in the field of control and decision making for water systems. It presents system engineering methods for modelling surface water and groundwater resources as well as water transportation systems (rivers, channels and pipelines). The models in turn provide information on both the water quantity (flow rates, water levels) of surface water and groundwater and on water quality. In addition, methods for modelling and predicting water demand are described. Sample applications of the models are presented, such as a water allocation decision support system for semi-arid regions, a multiple-criteria control model for run-of-river hydropower plants, and a supply network simulation for public services.
Book Synopsis Introduction to Optimization Analysis in Hydrosystem Engineering by : Ehsan Goodarzi
Download or read book Introduction to Optimization Analysis in Hydrosystem Engineering written by Ehsan Goodarzi and published by Springer Science & Business Media. This book was released on 2014-02-06 with total page 301 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents the basics of linear and nonlinear optimization analysis for both single and multi-objective problems in hydrosystem engineering. The book includes several examples with various levels of complexity in different fields of water resources engineering. The examples are solved step by step to assist the reader and to make it easier to understand the concepts. In addition, the latest tools and methods are presented to help students, researchers, engineers and water managers to properly conceptualize and formulate resource allocation problems, and to deal with the complexity of constraints in water demand and available supplies in an appropriate way.
Book Synopsis Optimal Design of Water Distribution Networks by : Pramod R. Bhave
Download or read book Optimal Design of Water Distribution Networks written by Pramod R. Bhave and published by Alpha Science Int'l Ltd.. This book was released on 2003 with total page 472 pages. Available in PDF, EPUB and Kindle. Book excerpt: Design of water distribution networks is traditionally based on trial-and-approach in which the designer assumes, based on experience and judgment, sizes of different elements and successively modifies them until a network with satisfactory hydraulic performance is obtained. This text covers: Essential hydraulic, economic optimization principles. Theory is developed gradually for optimal design of simple, single-source branched networks subjected to single loading to complex, multiple-source looped networks subjected to multiple loading. Strengthening and expansion of existing networks and also reliability-based design. Several illustrative examples enabling the reader to apply them in practice- approximately 100 line drawings.
Book Synopsis Stochastic Hydrology and its Use in Water Resources Systems Simulation and Optimization by : J.B. Marco
Download or read book Stochastic Hydrology and its Use in Water Resources Systems Simulation and Optimization written by J.B. Marco and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 470 pages. Available in PDF, EPUB and Kindle. Book excerpt: Stochastic hydrology is an essential base of water resources systems analysis, due to the inherent randomness of the input, and consequently of the results. These results have to be incorporated in a decision-making process regarding the planning and management of water systems. It is through this application that stochastic hydrology finds its true meaning, otherwise it becomes merely an academic exercise. A set of well known specialists from both stochastic hydrology and water resources systems present a synthesis of the actual knowledge currently used in real-world planning and management. The book is intended for both practitioners and researchers who are willing to apply advanced approaches for incorporating hydrological randomness and uncertainty into the simulation and optimization of water resources systems. (abstract) Stochastic hydrology is a basic tool for water resources systems analysis, due to inherent randomness of the hydrologic cycle. This book contains actual techniques in use for water resources planning and management, incorporating randomness into the decision making process. Optimization and simulation, the classical systems-analysis technologies, are revisited under up-to-date statistical hydrology findings backed by real world applications.
Book Synopsis Groundwater Optimization Handbook by : Richard C. Peralta
Download or read book Groundwater Optimization Handbook written by Richard C. Peralta and published by CRC Press. This book was released on 2012-04-26 with total page 532 pages. Available in PDF, EPUB and Kindle. Book excerpt: Existing and impending water shortages argue for improving water quantity and quality management. Groundwater Optimization Handbook: Flow, Contaminant Transport, and Conjunctive Management helps you formulate and solve groundwater optimization problems to ensure sustainable supplies of adequate quality and quantity. It shows you how to more effecti
Book Synopsis Hydrology, Hydraulics and Water Resources Management by : K.L. Katsifarakis
Download or read book Hydrology, Hydraulics and Water Resources Management written by K.L. Katsifarakis and published by WIT Press. This book was released on 2012-07-11 with total page 175 pages. Available in PDF, EPUB and Kindle. Book excerpt: With population of our planet exceeding seven billion, funds for infrastructure works being limited worldwide and climate change affecting water resources, their optimal development and management is literally vital. This volume deals with application of some non-traditional optimization techniques to hydraulics, hydrology and water resources management and aims at helping scientists dealing with these issues to reach the best decisions. Chapter 1 is a brief introduction to optimization and its application to water resources management. Chapter 2 is dedicated to genetic algorithms. Chapter 3 focuses on applications of genetic algorithms to hydraulic networks, mainly irrigation ones. Chapter 4 is dedicated to simulated annealing. The particle swarm method (PSO) is discussed in Chapter 5. In Chapter 6 the basic concepts and features of Tabu search are presented and its coupling with other heuristic optimizers is discussed. Chapter 7 is dedicated to the Harmony Search method. Finally, Chapter 8 deals with the Outer Approximation method. This book is aimed at engineers and other scientists working on water resources management and hydraulic networks.
Book Synopsis Water Resources Systems Analysis by : Mohammad Karamouz
Download or read book Water Resources Systems Analysis written by Mohammad Karamouz and published by CRC Press. This book was released on 2003-06-27 with total page 608 pages. Available in PDF, EPUB and Kindle. Book excerpt: Focusing on conflict resolution, Water Resources Systems Analysis discusses systematic approaches to the mathematical modeling of various water resources issues, which helps decision-makers allocate water effectively and efficiently. Readers will gain an understanding of simulation, optimization, multi-criterion-decision-making, as well as engineer
Book Synopsis Optimization Techniques for Hydrologic Engineering by : Leo R. Beard
Download or read book Optimization Techniques for Hydrologic Engineering written by Leo R. Beard and published by . This book was released on 1966 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Mathematical Modeling and Optimization of Water Efficiency in Residential Buildings by : Mahmoud Amin
Download or read book Mathematical Modeling and Optimization of Water Efficiency in Residential Buildings written by Mahmoud Amin and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: Water scarcity is a global issue that is rapidly worsening. The domestic sector is one of the fastest-growing segments of world water usage. Many researchers have explored various approaches to promote sustainable uses of water, with Greywater (GW) recycling and utilization of innovative plumbing fixtures among the methods presented to reduce freshwater consumption for domestic usage. Nonetheless, previous studies have dealt with both means independently, with limited analysis of the integrated effect of utilizing GW recycling with innovative plumbing fixtures, both on quality of supplied water, as well as on cost of the integrated system. Accordingly, this research aims at improving the efficiency of water usage in residential buildings, through the development of a mathematical optimization model that utilizes a comprehensive database in order to select the most appropriate GW recycling system, plumbing fixtures, and system components with the aim of improving water quality, minimizing water usage and reducing cost. The developed model is divided into three main modules: inputs, water flow, and annual worth quantification. The user is required to specify certain inputs that define parameters related to the building, its surrounding landscape, as well as economical parameters. Based on such information, the model determines the suitable fixtures' types for each water appliance, and the feasibility of utilizing GW recycling along with determining; the water source to be recycled and the treatment system type to be used, with the objective of minimizing both the total annual worth and the utilized potable water quantity. The model was verified on a case study and sensitivity analysis was performed to explore the impact of changing major input factors on the total annual cost. A factorial design examining both two and three-factor interactions was used. The number of residents and the annual increase of water tariffs factors showed the most significant impact on the total annual worth accounting for 55% and 43.7% of total variability, respectively. Furthermore, The model was validated by comparing its results with a previous study conducted in the United Kingdom, where the developed model led to a significant reduction in the lifecycle cost of the decentralized water system in residential buildings and attained freshwater savings of 58.17%.
Book Synopsis Water Industry Systems by : Dragan Savic
Download or read book Water Industry Systems written by Dragan Savic and published by . This book was released on 1999 with total page 490 pages. Available in PDF, EPUB and Kindle. Book excerpt: These conference proceedings reflect the current and future roles of modeling and optimization in the description and management of water industry systems. Balanced views of academic and industry experts from around the world are included in the two volumes of papers. Insights are provided into the experiences of leading researchers and practitioners in applying modelling and optimization to the management of water quantity and quality. The topics covered are: advanced modelling techniques, risk management, process control and optimization, with particular emphasis on the development and implementation of emerging technologies. Application areas include both water supply and waste water disposal.
Book Synopsis Essential Tools for Water Resources Analysis, Planning, and Management by : Omid Bozorg-Haddad
Download or read book Essential Tools for Water Resources Analysis, Planning, and Management written by Omid Bozorg-Haddad and published by Springer. This book was released on 2021-04-08 with total page 353 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book describes concepts and tools needed for water resources management, including methods for modeling, simulation, optimization, big data analysis, data mining, remote sensing, geographical information system, game theory, conflict resolution, System dynamics, agent-based models, multiobjective, multicriteria, and multiattribute decision making and risk and uncertainty analysis, for better and sustainable management of water resources and consumption, thus mitigating the present and future global water shortage crisis. It presents the applications of these tools through case studies which demonstrate its benefits of proper management of water resources systems. This book acts as a reference for students, professors, industrial practitioners, and stakeholders in the field of water resources and hydrology.
Book Synopsis Mixed Integer Nonlinear Programming by : Jon Lee
Download or read book Mixed Integer Nonlinear Programming written by Jon Lee and published by Springer Science & Business Media. This book was released on 2011-12-02 with total page 687 pages. Available in PDF, EPUB and Kindle. Book excerpt: Many engineering, operations, and scientific applications include a mixture of discrete and continuous decision variables and nonlinear relationships involving the decision variables that have a pronounced effect on the set of feasible and optimal solutions. Mixed-integer nonlinear programming (MINLP) problems combine the numerical difficulties of handling nonlinear functions with the challenge of optimizing in the context of nonconvex functions and discrete variables. MINLP is one of the most flexible modeling paradigms available for optimization; but because its scope is so broad, in the most general cases it is hopelessly intractable. Nonetheless, an expanding body of researchers and practitioners — including chemical engineers, operations researchers, industrial engineers, mechanical engineers, economists, statisticians, computer scientists, operations managers, and mathematical programmers — are interested in solving large-scale MINLP instances.
Book Synopsis Water Engineering Modeling and Mathematic Tools by : Pijush Samui
Download or read book Water Engineering Modeling and Mathematic Tools written by Pijush Samui and published by Elsevier. This book was released on 2021-02-05 with total page 592 pages. Available in PDF, EPUB and Kindle. Book excerpt: Water Engineering Modeling and Mathematic Tools provides an informative resource for practitioners who want to learn more about different techniques and models in water engineering and their practical applications and case studies. The book provides modelling theories in an easy-to-read format verified with on-site models for specific regions and scenarios. Users will find this to be a significant contribution to the development of mathematical tools, experimental techniques, and data-driven models that support modern-day water engineering applications. Civil engineers, industrialists, and water management experts should be familiar with advanced techniques that can be used to improve existing systems in water engineering. This book provides key ideas on recently developed machine learning methods and AI modelling. It will serve as a common platform for practitioners who need to become familiar with the latest developments of computational techniques in water engineering. Includes firsthand experience about artificial intelligence models, utilizing case studies Describes biological, physical and chemical techniques for the treatment of surface water, groundwater, sea water and rain/snow Presents the application of new instruments in water engineering
