Download or read book Modeling and simulation of hysteric behavior in magnetic and molecular materials and its application to data storage written by Anca Gîndulescu and published by . This book was released on 2012 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt: La première partie de la thèse est axée sur la modélisation et la simulation du renversement de l'aimantation et de l'influence du bruit dans les nanostructures ferromagnétiques. La deuxième partie s'intéresse à l'étude des composés à transition de spin 1D et 2D notamment la relaxation à basse température et l’effet de la taille dans les nanoparticules. Après un aperçu des matériaux magnétiques ainsi que des principaux modèles développées pour l'étude théorique du comportement d'hystérésis, le troisième chapitre propose un aperçu de nos résultats concernant le renversements d 'aimantation par des champs magnétiques et par le courant de spin polarisés. Nous présentons aussi la modélisation et la simulation du phénomène de bruit induit dans les systèmes complexes d'hystérèse. Le quatrième et cinquième chapitre sont consacrés aux composés à transition de spin et à la description de quelques modèles proposés pour expliquer le phénomène à transition de spin. Le chapitre six fournit une vue d'ensemble sur les composés à transition de spin 1D mettant l'accent sur l’effet de la lumière à basse température. Le dernier chapitre présent quelques caractéristique de systèmes à transition de spin 2D: l'effet de taille et la dynamique de relaxation à l'aide de la technique de Monte Carlo avec l’algorithme d’Arrhenius.
Download or read book Hysteresis written by José Carlos Dias and published by Nova Science Publishers. This book was released on 2014 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The study of complex hysteresis problems has become increasingly important in recent years, since the hysteresis phenomenon affects significantly the decisions that have to be rendered in a wide range of real-world practical applications. For example, the so-called hysteresis effects may influence substantially some fields not directly related to the natural sciences such as finance, economy, or fiscal policy. In addition, such phenomenon is also typically present in many engineering and physics applications of interest such as in magnetism, spin-valve technology, semiconductors, surface physics, aeronautical and civil engineering aerodynamics, complex battery systems, biology, etc. This book focuses on the most recent attempts for modeling a diverse variety of complex hysteresis problems faced in economics, engineering, and physics. The chapters of this book provide a self-contained, rigorous, and clear treatment of the different types and sources of hysteresis under a large spectrum of applications. The book also highlights how stochastic control and other mathematical tools as well as econometric techniques can be applied for analyzing the complex properties of hysteresis problems. This authoritative book is a definitive guide on how to understand the newest designs for modeling hysteresis in highly complex systems and thus it will be an essential reading for graduate students and researchers in economics, engineering, and physics.
Download or read book Hysteresis written by José Carlos Dias and published by . This book was released on 2014-07-04 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt: The study of complex hysteresis problems has become increasingly important in recent years, since the hysteresis phenomenon affects significantly the decisions that have to be rendered in a wide range of real-world practical applications. For example, the so-called hysteresis effects may influence substantially some fields not directly related to the natural sciences such as finance, economy, or fiscal policy. In addition, such phenomenon is also typically present in many engineering and physics applications of interest such as in magnetism, spin-valve technology, semiconductors, surface physics, aeronautical and civil engineering aerodynamics, complex battery systems, biology, etc. This book focuses on the most recent attempts for modeling a diverse variety of complex hysteresis problems faced in economics, engineering, and physics. The chapters of this book provide a self-contained, rigorous, and clear treatment of the different types and sources of hysteresis under a large spectrum of applications. The book also highlights how stochastic control and other mathematical tools as well as econometric techniques can be applied for analyzing the complex properties of hysteresis problems. This authoritative book is a definitive guide on how to understand the newest designs for modeling hysteresis in highly complex systems and thus it will be an essential reading for graduate students and researchers in economics, engineering, and physics.
Download or read book Incorporation of Hysteretic Effects in Model Order Reduction Analysis of Magnetic Devices written by Jonathan J. Sander and published by . This book was released on 2009 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The ability to predict the properties of magnetic materials in a device is essential to ensuring the correct operation and optimization of the design as well as the device behavior over a wide range of input frequencies. Typically, development and simulation of wide-bandwidth models requires detailed, physics-based simulations that utilize significant computational resources. Balancing the trade-offs between model computational overhead and accuracy can be cumbersome, especially when the nonlinear effects of saturation and hysteresis are included in the model. This study focuses on the development of a system for analyzing magnetic devices in cases where model accuracy and computational intensity must be carefully and easily balanced by the engineer. A method for adjusting model complexity and corresponding level of detail while incorporating the nonlinear effects of hysteresis is presented that builds upon recent work in loss analysis and magnetic equivalent circuit (MEC) modeling. The approach utilizes MEC models in conjunction with linearization and model-order reduction techniques to process magnetic devices based on geometry and core type. The validity of steady-state permeability approximations is also discussed.
Download or read book Efficient Unconventional Models of Multi Component Magnetic Hysteresis written by Amr Amin Mohamed Adly and published by World Scientific Publishing Company. This book was released on 2022-01-16 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt: This unique compendium deals with modeling magnetic media exhibiting hysteresis using computationally efficient phenomenological models that may be utilized in a wide spectrum of both coupled and non-coupled situations. The main factors affecting the behavior of media exhibiting hysteresis -- such as magnetic field, mechanical stress and temperature -- are dealt with from a higher-level perspective.The volume offers a brief review of well-established definitions of the hysteresis phenomena and widely utilized models. It then presents in its separate chapters a set of innovative efficient multi-component hysteresis models, some of which involves novel operators and/or neural network activation functions as primitive building blocks. Identification methodologies, simulations and experimental verifications for the presented models are also prominently highlighted.This useful reference text offers a great resource material for academics, professionals, researchers and graduate students in electrical and electronic engineering, superconductivity, magnetic materials and mechanical engineering.
Download or read book Simulacra and Simulation written by Jean Baudrillard and published by University of Michigan Press. This book was released on 1994 with total page 174 pages. Available in PDF, EPUB and Kindle. Book excerpt: Develops a theory of contemporary culture that relies on displacing economic notions of cultural production with notions of cultural expenditure. This book represents an effort to rethink cultural theory from the perspective of a concept of cultural materialism, one that radically redefines postmodern formulations of the body.
Download or read book Dissertation Abstracts International written by and published by . This book was released on 1983 with total page 500 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book On the Mathematical Modeling of Memristor Memcapacitor and Meminductor written by Ahmed G. Radwan and published by Springer. This book was released on 2015-05-09 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book introduces the basic fundamentals, models, emulators and analyses of mem-elements in the circuit theory with applications. The book starts reviewing the literature on mem-elements, models and their recent applications. It presents mathematical models, numerical results, circuit simulations, and experimental results for double-loop hysteresis behavior of mem-elements. The authors introduce a generalized memristor model in the fractional-order domain under different input and different designs for emulator-based mem-elements, with circuit and experimental results. The basic concept of memristive-based relaxation-oscillators in the circuit theory is also covered. The reader will moreover find in this book information on memristor-based multi-level digital circuits, memristor-based multi-level multiplier and memcapacitor-based oscillators and synaptic circuits.
Download or read book The Glossary of Prosthodontic Terms written by and published by . This book was released on 1994 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Cybernetic Revolutionaries written by Eden Medina and published by MIT Press. This book was released on 2014-01-10 with total page 343 pages. Available in PDF, EPUB and Kindle. Book excerpt: A historical study of Chile's twin experiments with cybernetics and socialism, and what they tell us about the relationship of technology and politics. In Cybernetic Revolutionaries, Eden Medina tells the history of two intersecting utopian visions, one political and one technological. The first was Chile's experiment with peaceful socialist change under Salvador Allende; the second was the simultaneous attempt to build a computer system that would manage Chile's economy. Neither vision was fully realized—Allende's government ended with a violent military coup; the system, known as Project Cybersyn, was never completely implemented—but they hold lessons for today about the relationship between technology and politics. Drawing on extensive archival material and interviews, Medina examines the cybernetic system envisioned by the Chilean government—which was to feature holistic system design, decentralized management, human-computer interaction, a national telex network, near real-time control of the growing industrial sector, and modeling the behavior of dynamic systems. She also describes, and documents with photographs, the network's Star Trek-like operations room, which featured swivel chairs with armrest control panels, a wall of screens displaying data, and flashing red lights to indicate economic emergencies. Studying project Cybersyn today helps us understand not only the technological ambitions of a government in the midst of political change but also the limitations of the Chilean revolution. This history further shows how human attempts to combine the political and the technological with the goal of creating a more just society can open new technological, intellectual, and political possibilities. Technologies, Medina writes, are historical texts; when we read them we are reading history.
Download or read book Behavior Management in Dentistry for Children written by Gerald Z. Wright and published by John Wiley & Sons. This book was released on 2014-01-21 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt: Guiding patient behavior is as important as ever for the practicing dentist, and the behavior of pediatric patients is perhaps the most challenging to manage. Drs. Wright and Kupietzky here update Dr. Wright’s classic work on managing pediatric dental patients. Behavior Management in Dentistry for Children,2nd Edition, has been entirely rewritten and includes the latest and most effective management strategies from an international team of experts in the field. The book addresses the influence of family and parenting styles on children’s behavior and the factors that determine how children behave in the dental office. Pharmacological and non-pharmacological management techniques are described in depth, as are techniques for dealing with special needs patients. Clinical scenarios are described throughout the book, with practical application of the taught principles. The final part of the book covers the dental environment—training office personnel to manage children’s behavior, practical considerations for behavior guidance, and the effects of the physical dental office environment. Behavior Management in Dentistry for Children,2nd Edition, is ideal for pediatric residents, dental students, and practicing dentists who see children on a regular basis.
Download or read book Pandex Current Index to Scientific and Technical Literature written by and published by . This book was released on 1970 with total page 1404 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Complex Magnetic Nanostructures written by Surender Kumar Sharma and published by Springer. This book was released on 2017-04-04 with total page 468 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book offers a detailed discussion of the complex magnetic behavior of magnetic nanosystems, with its myriad of geometries (e.g. core-shell, heterodimer and dumbbell) and its different applications. It provides a broad overview of the numerous current studies concerned with magnetic nanoparticles, presenting key examples and an in-depth examination of the cutting-edge developments in this field. This contributed volume shares the latest developments in nanomagnetism with a wide audience: from upper undergraduate and graduate students to advanced specialists in both academia and industry. The first three chapters serve as a primer to the more advanced content found later in the book, making it an ideal introductory text for researchers starting in this field. It provides a forum for the critical evaluation of many aspects of complex nanomagnetism that are at the forefront of nanoscience today. It also presents highlights from the extensive literature on the topic, including the latest research in this field.
Download or read book Magneto Active Polymers written by Jean-Paul Pelteret and published by Walter de Gruyter GmbH & Co KG. This book was released on 2019-12-16 with total page 403 pages. Available in PDF, EPUB and Kindle. Book excerpt: From fabrication to testing and modeling this monograph covers all aspects on the materials class of magneto active polymers. The focus is on computational modeling of manufacturing processes and material parameters. As other smart materials, these elastomers have the ability to change electrical and mechanical properties upon application of magnetic fields. This allows for novel applications ranging from biomedical engineering to mechatronics.
Download or read book Techno Societal 2020 written by Prashant M. Pawar and published by Springer Nature. This book was released on 2021-06-19 with total page 1090 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book, divided in two volumes, originates from Techno-Societal 2020: the 3rd International Conference on Advanced Technologies for Societal Applications, Maharashtra, India, that brings together faculty members of various engineering colleges to solve Indian regional relevant problems under the guidance of eminent researchers from various reputed organizations. The focus of this volume is on technologies that help develop and improve society, in particular on issues such as advanced and sustainable technologies for manufacturing processes, environment, livelihood, rural employment, agriculture, energy, transport, sanitation, water, education. This conference aims to help innovators to share their best practices or products developed to solve specific local problems which in turn may help the other researchers to take inspiration to solve problems in their region. On the other hand, technologies proposed by expert researchers may find applications in different regions. This offers a multidisciplinary platform for researchers from a broad range of disciplines of Science, Engineering and Technology for reporting innovations at different levels.
Download or read book Living and Working in Space written by William David Compton and published by Courier Corporation. This book was released on 2013-05-13 with total page 466 pages. Available in PDF, EPUB and Kindle. Book excerpt: The official record of America's first space station, this book from the NASA History Series chronicles the Skylab program from its planning during the 1960s through its 1973 launch and 1979 conclusion. Definitive accounts examine the project's achievements as well as its use of discoveries and technology developed during the Apollo program. 1983 edition.
