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Developpement Dune Methodologie Pour Loptimisation Multicritere De Scenarios Devolution Du Parc Nucleaire
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Book Synopsis Développement d'une méthodologie pour l'optimisation multicritère de scénarios d'évolution du parc nucléaire by : David Freynet
Download or read book Développement d'une méthodologie pour l'optimisation multicritère de scénarios d'évolution du parc nucléaire written by David Freynet and published by . This book was released on 2016 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: La question de l'évolution du parc nucléaire français peut être considérée via l'étude de scénarios électronucléaires. Ces études présentent un rôle important, compte-tenu des enjeux, de l'ampleur des investissements, des durées et de la complexité des systèmes concernés, et fournissent des éléments d'aide au processus décisionnel. Elles sont menées à l'aide du code COSI (développé au CEA/DEN), qui permet de calculer les inventaires et les flux de matières transitant dans le cycle (réacteurs nucléaires et installations associées), via notamment le couplage avec le code d'évolution CESAR. Les études actuelles menées avec COSI nécessitent de définir les paramètres d'entrée des scénarios simulés, de sorte à satisfaire différents critères comme minimiser la consommation d'uranium naturel, la production de déchets, etc. Ces paramètres portent notamment sur les quantités et l'ordonnancement des combustibles usés au retraitement ou encore le nombre, la filière et les dates de mises en service des réacteurs à déployer. Le présent travail vise à développer, valider et appliquer une méthodologie d'optimisation couplée à COSI pour la recherche de scénarios électronucléaires optimaux pour un problème multicritère. Cette méthodologie repose en premier lieu sur la réduction de la durée d'évaluation d'un scénario afin de permettre l'utilisation de méthodes d'optimisation en un temps raisonnable. Dans ce cadre, des métamodèles d'irradiation par réseaux de neurones sont établis à l'aide de la plateforme URANIE (développée au CEA/DEN) et sont implémentés dans COSI. L'objet du travail est ensuite d'utiliser, adapter et comparer différentes méthodes d'optimisation, telles que l'algorithme génétique et l'essaim particulaire disponibles dans la plateforme URANIE, afin de définir une méthodologie adéquate pour ce sujet d'étude spécifique. La mise en place de cette méthodologie suit une approche incrémentale qui fait intervenir des ajouts successifs de critères, contraintes et variables de décision dans la définition du problème d'optimisation. Les variables ajoutées au problème, qui décrivent la cinétique de déploiement des réacteurs et la stratégie de retraitement des combustibles usés, sont choisies en fonction de leur sensibilité sur les critères définis. Cette approche permet de faciliter l'interprétation des scénarios optimaux, la détection d'éventuelles difficultés liées au processus d'optimisation, et finalement d'émettre des recommandations d'utilisation de la méthodologie mise en place en fonction de la nature du problème. Les études d'optimisation s'appuient sur un scénario de déploiement de réacteurs à neutrons rapides avec recyclage du plutonium, inspiré des études menées dans le cadre de la loi de 2006 sur la gestion des matières et déchets radioactifs. Une illustration des possibilités de la méthodologie est réalisée sur ce scénario, et permet notamment de démontrer le caractère optimal du scénario issu des études menées selon cette loi vis-à-vis de la limitation de l'entreposage de matières fissiles. Ce résultat souligne l'importance de la mise en œuvre d'une gestion dynamique du plutonium via le recours au combustible MOX pour le déploiement progressif des RNR.
Book Synopsis Contribution à l'évaluation et au perfectionnement des méthodes d'optimisation multiobjectif by : Yann Collette
Download or read book Contribution à l'évaluation et au perfectionnement des méthodes d'optimisation multiobjectif written by Yann Collette and published by . This book was released on 2002 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt: Le travail présenté dans le cadre de cette thèse consiste en l'évaluation de méthodes d'optimisation multiobjectif ainsi qu'en l'application de méthodes sélectionnées au problème de l'optimisation des plans de rechargement de combustible nucléaire. Après un bref état de l'art, nous discutons d'améliorations possibles de méthodes d'optimisation multiobjectif existantes. Ces améliorations touchent aussi bien l'expression de la fonction objectif que la méthode d'optimisation elle même. Nous présentons des manières d'appréhender l'évaluation des performances des méthodes d'optimisation multiobjectif ainsi que de la visualisation des résultats d'une optimisation multiobjectif. Nous traitons de la classification des méthodes d'optimisation multiobjectif qui est destinée à faciliter le choix d'une méthode d'optimisation pour résoudre un problème donné. Pour finir, nous traitons de l'optimisation multiobjectif des plans de rechargement de combustible nucléaire.
Author :United States. Environmental Protection Agency. Office of Radiation Programs Publisher : ISBN 13 : Total Pages :200 pages Book Rating :4.E/5 ( download)
Book Synopsis Radiation Protection Activities by : United States. Environmental Protection Agency. Office of Radiation Programs
Download or read book Radiation Protection Activities written by United States. Environmental Protection Agency. Office of Radiation Programs and published by . This book was released on 1976 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Arctic Shipping by : Frédéric Lasserre
Download or read book Arctic Shipping written by Frédéric Lasserre and published by Routledge. This book was released on 2019-09-05 with total page 217 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book considers both the present state of Arctic shipping and possible future trends with reference to the various sectors of maritime transportation: cruise tourism, container traffic and bulk shipping. Ports are analysed as tools that support the strategies of coastal states to foster the development of resource extraction, enhance the attractiveness of Arctic shipping lanes and enable the control of maritime activities through coast guard deployment. The aim of this book is to draw a picture of the trends of Arctic shipping. How is traffic evolving in Canada’s Arctic, or along the Northern Sea Route? Are there significant differences between bulk and container shipping segments when considering the Arctic market? How are the ports and the hinterland developing and what are the strategies behind those? How is the legal framework shaping the evolution of maritime transportation? The contributors to this book consider all of these questions, and more, as they map out the prospects for Arctic shipping and analyse in detail the development of Arctic shipping as a result of multi-variable interactions. This book will be key reading for industry professionals and post-graduate students alike.
Book Synopsis Handbook for Integrating Risk Analysis in the Economic Analysis of Projects by : Asian Development Bank
Download or read book Handbook for Integrating Risk Analysis in the Economic Analysis of Projects written by Asian Development Bank and published by . This book was released on 2002 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt: Aiming to support the development of a framework for the analysis of risk in project design and economic analysis, this handbook outlines technical approaches to modeling risk. Also summarized is the nature and practice of sensitivity analysis in dealing with uncertain outcomes as well as the principles to consider in typical risk analysis situations sector by sector. Case studies are included to demonstrate the application of quantitative risk analysis using actual Asian Development Bank projects to help improve project design and quality. Handbook users will learn to identify factors that are the key determinants of project outcomes, determine the likelihood of an individual project's returns being unacceptable, and design measures to mitigate the risks arising from the identified key factors.
Book Synopsis Operational Radiation Protection by : International Atomic Energy Agency
Download or read book Operational Radiation Protection written by International Atomic Energy Agency and published by . This book was released on 1990 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides practical guidance on the application of the dose limitation system contained in the Basic Safety Standards for Radiation Protection, Safety Series No. 9, to operational situations both in large nuclear installations and in much smaller facilities, with special reference to the principles of optimisation.
Book Synopsis Good Governance and the European Union by : Deirdre Curtin
Download or read book Good Governance and the European Union written by Deirdre Curtin and published by Intersentia nv. This book was released on 2005 with total page 290 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book approaches the notion of good governance from three different angles. First it establishes whether it is a meaningful notion at all by taking a closer look at the parameters of good governance. Secondly, the authors look at the institutional translation of the criteria of good governance. In a third dimension, the concept may be analysed in relation to a number of substantive issues.
Book Synopsis Digital Transformation in Financial Services by : Claudio Scardovi
Download or read book Digital Transformation in Financial Services written by Claudio Scardovi and published by Springer. This book was released on 2017-09-04 with total page 242 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book analyzes the set of forces driving the global financial system toward a period of radical transformation and explores the transformational challenges that lie ahead for global and regional or local banks and other financial intermediaries. It is explained how these challenges derive from the newly emerging post-crisis structure of the market and from shadow and digital players across all banking operations. Detailed attention is focused on the impacts of digitalization on the main functions of the financial system, and particularly the banking sector. The author elaborates how an alternative model of banking will enable banks to predict, understand, navigate, and change the external ecosystem in which they compete. The five critical components of this model are data and information mastering; effective use of applied analytics; interconnectivity and “junction playing”; development of new business solutions; and trust and credibility assurance. The analysis is supported by a number of informative case studies. The book will be of interest especially to top and middle managers and employees of banks and financial institutions but also to FinTech players and their advisers and others.
Book Synopsis Simply This... Amen. by : Donna McLin
Download or read book Simply This... Amen. written by Donna McLin and published by . This book was released on 2019-12 with total page 382 pages. Available in PDF, EPUB and Kindle. Book excerpt: This prayer book was written over a two-year span. The prayers started one night when my daughter and I could not sync our time to pray together on one particular night in March 2017. While preparing for bed, the Lord said to me, "Just write a prayer and put it on Facebook". I did and the rest is history. You are now holding what it is that the Lord has done with these prayers. Each night with the exception of being away from home with no phone service, or during times of fasting, I wrote a prayer each night and posted them on Facebook. I have been told by many people along the way that they do not know how to pray. It is my prayer that this book will be a foundation for those who feel that they do not know how to pray or who simply need a prayer devotional.
Book Synopsis Tropical Forest Community Ecology by : Walter Carson
Download or read book Tropical Forest Community Ecology written by Walter Carson and published by John Wiley & Sons. This book was released on 2011-08-31 with total page 686 pages. Available in PDF, EPUB and Kindle. Book excerpt: Historically, tropical ecology has been a science often content with descriptive and demographic approaches, which is understandable given the difficulty of studying these ecosystems and the need for basic demographic information. Nonetheless, over the last several years, tropical ecologists have begun to test more sophisticated ecological theory and are now beginning to address a broad array of questions that are of particular importance to tropical systems, and ecology in general. Why are there are so many species in tropical forests and what mechanisms are responsible for the maintenance of that vast species diversity? What factors control species coexistence? Are there common patterns of species abundance and distribution across broad geographic scales? What is the role of trophic interactions in these complex ecosystems? How can these fragile ecosystems be conserved? Containing contributions from some of the world’s leading tropical ecologists, Tropical Forest Community Ecology provides a summary of the key issues in the discipline of tropical ecology: Includes contributions from some of the world’s leading tropical ecologists Covers patterns of species distribution, the maintenance of species diversity, the community ecology of tropical animals, forest regeneration and conservation of tropical ecosystems
Book Synopsis Introduction to Conservation Genetics by : Richard Frankham
Download or read book Introduction to Conservation Genetics written by Richard Frankham and published by Cambridge University Press. This book was released on 2010 with total page 643 pages. Available in PDF, EPUB and Kindle. Book excerpt: This impressive author team brings the wealth of advances in conservation genetics into the new edition of this introductory text, including new chapters on population genomics and genetic issues in introduced and invasive species. They continue the strong learning features for students - main points in the margin, chapter summaries, vital support with the mathematics, and further reading - and now guide the reader to software and databases. Many new references reflect the expansion of this field. With examples from mammals, birds ...
Book Synopsis The Analysis and Interpretation of Multivariate Data for Social Scientists by : J.I. Galbraith
Download or read book The Analysis and Interpretation of Multivariate Data for Social Scientists written by J.I. Galbraith and published by CRC Press. This book was released on 2002-02-26 with total page 290 pages. Available in PDF, EPUB and Kindle. Book excerpt: Multivariate analysis is an important tool for social researchers, but the subject is broad and can be quite technical for those with limited mathematical and statistical backgrounds. To effectively acquire the tools and techniques they need to interpret multivariate data, social science students need clear explanations, a minimum of mathematical detail, and a wide range of exercises and worked examples. Classroom tested for more than 10 years, The Analysis and Interpretation of Multivariate Data for Social Scientists describes and illustrates methods of multivariate data analysis important to the social sciences. The authors focus on interpreting the pattern of relationships among many variables rather than establishing causal linkages, and rely heavily on numerical examples, visualization, and on verbal , rather than mathematical exposition. They present methods for categorical variables alongside the more familiar method for continuous variables and place particular emphasis on latent variable techniques. Ideal for introductory, senior undergraduate and graduate-level courses in multivariate analysis for social science students, this book combines depth of understanding and insight with the practical details of how to carry out and interpret multivariate analyses on real data. It gives them a solid understanding of the most commonly used multivariate methods and the knowledge and tools to implement them. Datasets, the SPSS syntax and code used in the examples, and software for performing latent variable modelling are available at http://www.mlwin.com/team/aimdss.html>
Book Synopsis Conservation and the Genetics of Populations by : Fred W. Allendorf
Download or read book Conservation and the Genetics of Populations written by Fred W. Allendorf and published by John Wiley & Sons. This book was released on 2009-03-12 with total page 664 pages. Available in PDF, EPUB and Kindle. Book excerpt: Conservation and the Genetics of Populations gives acomprehensive overview of the essential background, concepts, andtools needed to understand how genetic information can be used todevelop conservation plans for species threatened withextinction. Provides a thorough understanding of the genetic basis ofbiological problems in conservation. Uses a balance of data and theory, and basic and appliedresearch, with examples taken from both the animal and plantkingdoms. An associated website contains example data sets and softwareprograms to illustrate population genetic processes and methods ofdata analysis. Discussion questions and problems are included at the end ofeach chapter to aid understanding. Features Guest Boxes written by leading people in the fieldincluding James F. Crow, Nancy FitzSimmons, Robert C. Lacy, MichaelW. Nachman, Michael E. Soule, Andrea Taylor, Loren H. Rieseberg,R.C. Vrijenhoek, Lisette Waits, Robin S. Waples and AndrewYoung. Supplementary information designed to support Conservationand the Genetics of Populations including: Downloadable sample chapter Answers to questions and problems Data sets illustrating problems from the book Data analysis software programs Website links An Instructor manual CD-ROM for this title is available. Pleasecontact our Higher Education team at ahref="mailto:[email protected]"[email protected]/afor more information.
Book Synopsis Foundations of Ecological Resilience by : Lance H. Gunderson
Download or read book Foundations of Ecological Resilience written by Lance H. Gunderson and published by Island Press. This book was released on 2012-07-16 with total page 497 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ecological resilience provides a theoretical foundation for understanding how complex systems adapt to and recover from localized disturbances like hurricanes, fires, pest outbreaks, and floods, as well as large-scale perturbations such as climate change. Ecologists have developed resilience theory over the past three decades in an effort to explain surprising and nonlinear dynamics of complex adaptive systems. Resilience theory is especially important to environmental scientists for its role in underpinning adaptive management approaches to ecosystem and resource management. Foundations of Ecological Resilience is a collection of the most important articles on the subject of ecological resilience—those writings that have defined and developed basic concepts in the field and help explain its importance and meaning for scientists and researchers. The book’s three sections cover articles that have shaped or defined the concepts and theories of resilience, including key papers that broke new conceptual ground and contributed novel ideas to the field; examples that demonstrate ecological resilience in a range of ecosystems; and articles that present practical methods for understanding and managing nonlinear ecosystem dynamics. Foundations of Ecological Resilience is an important contribution to our collective understanding of resilience and an invaluable resource for students and scholars in ecology, wildlife ecology, conservation biology, sustainability, environmental science, public policy, and related fields.
Book Synopsis International Tax Agreement by : United Nations Publications
Download or read book International Tax Agreement written by United Nations Publications and published by . This book was released on 1995 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ways of Escape provides a history of leisure nd travel and a cartography of _escape activity_. The author examines how pleasure has been managed from the middle ages to the present day, and examines the differences in leisure and travel opportunities for men and women.
Book Synopsis Biodiversity and Evolution by : Philippe Grandcolas
Download or read book Biodiversity and Evolution written by Philippe Grandcolas and published by Elsevier. This book was released on 2018-04-17 with total page 286 pages. Available in PDF, EPUB and Kindle. Book excerpt: Biodiversity and Evolution includes chapters devoted to the evolution and biodiversity of organisms at the molecular level, based on the study of natural collections from the Museum of Natural History. The book starts with an epistemological and historical introduction and ends with a critical overview of the Anthropocene epoch. Explores the study of natural collections of the Museum of Natural History Examines evolution and biodiversity at the molecular level Features an introduction focusing on epistemology and history Provides a critical overview
Book Synopsis Marine Biology by : James Willard Nybakken
Download or read book Marine Biology written by James Willard Nybakken and published by Benjamin-Cummings Publishing Company. This book was released on 2005 with total page 600 pages. Available in PDF, EPUB and Kindle. Book excerpt: Marine Biology: An Ecological Approach emphasizes the ecological principles that guide marine life throughout all environments within the world's oceans. Authors James Nybakken and Mark Bertness provide a unique ecological approach that helps students understand the real-world relevance of marine biology by exploring how organisms interact within their individual ecosystems. The text is organized by habitat, not classification, with each habitat receiving detailed, in-depth coverage that draws students into the subject matter. In addition, new co-author Mark Bertness's expertise and familiarity with East Coast marine life adds a balanced dimension to the coverage of the Atlantic and Pacific environments. In addition to a new Taxonomic Appendix containing a detailed map of marine taxonomy, the Sixth Edition is fully updated with the latest research data and topics. These include new coverage of the intertidal zone, salt marshes and estuaries, and tropical communities, as well as a revised discussion of humans' impact on the sea. The new edition's pedagogy features end-of-chapter summaries, a full-color design, and a companion website designed just for students.
