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Flexoelectricity in Solids

Flexoelectricity in Solids Author Alexander K Tagantsev
ISBN-10 9789814719339
Release 2016-08-11
Pages 412
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This unique compendium is devoted to flexoelectricity — the response of polarization to a strain gradient. The effect is analogous to piezoelectricity which is the response of polarization to strain itself. In contrast to piezoelectricity, which appears only in non-centrosymmetric materials, flexoelectric effect is allowed by symmetry in any materials. It becomes appreciable in nano-scale systems, where large strain gradients arise. The book discusses different nano-scale manifestations of the effect ranging from repulsion of acoustic and optic branches of materials to flexoelectricity in domain walls. It mainly caters for scientists, engineers and students.



Flexoelectricity in Solids

Flexoelectricity in Solids Author Alexander K. Tagantsev
ISBN-10 9814719315
Release 2016-05-04
Pages 396
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This unique compendium is devoted to flexoelectricity -- the response of polarization to a strain gradient. The effect is analogous to piezoelectricity which is the response of polarization to strain itself. In contrast to piezoelectricity, which appears only in non-centrosymmetric materials, flexoelectric effect is allowed by symmetry in any materials. It becomes appreciable in nano-scale systems, where large strain gradients arise. The book discusses different nano-scale manifestations of the effect ranging from repulsion of acoustic and optic branches of materials to flexoelectricity in domain walls. It mainly caters for scientists, engineers and students.



Flexoelectricity in Liquid Crystals

Flexoelectricity in Liquid Crystals Author Agnes Buka
ISBN-10 9781848167995
Release 2013
Pages 290
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The book intends to give a state-of-the-art overview of flexoelectricity, a linear physical coupling between mechanical (orientational) deformations and electric polarization, which is specific to systems with orientational order, such as liquid crystals. Chapters written by experts in the field shed light on theoretical as well as experimental aspects of research carried out since the discovery of flexoelectricity. Besides a common macroscopic (continuum) description the microscopic theory of flexoelectricity is also addressed. Electro-optic effects due to or modified by flexoelectricity as well as various (direct and indirect) measurement methods are discussed. Special emphasis is given to the role of flexoelectricity in pattern-forming instabilities. While the main focus of the book lies in flexoelectricity in nematic liquid crystals, peculiarities of other mesophases (bent-core systems, cholesterics, and smectics) are also reviewed. Flexoelectricity has relevance to biological (living) systems and can also offer possibilities for technical applications. The basics of these two interdisciplinary fields are also summarized.



Multiscale Modeling in Solid Mechanics

Multiscale Modeling in Solid Mechanics Author Ugo Galvanetto
ISBN-10 9781848163089
Release 2010
Pages 334
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This unique volume presents the state of the art in the field of multiscale modeling in solid mechanics, with particular emphasis on computational approaches. For the first time, contributions from both leading experts in the field and younger promising researchers are combined to give a comprehensive description of the recently proposed techniques and the engineering problems tackled using these techniques. The book begins with a detailed introduction to the theories on which different multiscale approaches are based, with regards to linear Homogenisation as well as various nonlinear approaches. It then presents advanced applications of multiscale approaches applied to nonlinear mechanical problems. Finally, the novel topic of materials with self-similar structure is discussed. Sample Chapter(s). Chapter 1: Computational Homogenisation for Non-Linear Heterogeneous Solids (808 KB). Contents: Computational Homogenisation for Non-Linear Heterogeneous Solids (V G Kouznetsova et al.); Two-Scale Asymptotic Homogenisation-Based Finite Element Analysis of Composite Materials (Q-Z Xiao & B L Karihaloo); Multi-Scale Boundary Element Modelling of Material Degradation and Fracture (G K Sfantos & M H Aliabadi); Non-Uniform Transformation Field Analysis: A Reduced Model for Multiscale Non-Linear Problems in Solid Mechanics (J-C Michel & P Suquet); Multiscale Approach for the Thermomechanical Analysis of Hierarchical Structures (M J Lefik et al.); Recent Advances in Masonry Modelling: Micro-Modelling and Homogenisation (P B Louren o); Mechanics of Materials with Self-Similar Hierarchical Microstructure (R C Picu & M A Soare). Readership: Researchers and academics in the field of heterogeneous materials and mechanical engineering; professionals in aeronautical engineering and materials science.



Flexoelectricity in Liquid Crystals

Flexoelectricity in Liquid Crystals Author Ágnes Buka
ISBN-10 9781908977298
Release 2012-09-21
Pages 300
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The book intends to give a state-of-the-art overview of flexoelectricity, a linear physical coupling between mechanical (orientational) deformations and electric polarization, which is specific to systems with orientational order, such as liquid crystals. Chapters written by experts in the field shed light on theoretical as well as experimental aspects of research carried out since the discovery of flexoelectricity. Besides a common macroscopic (continuum) description the microscopic theory of flexoelectricity is also addressed. Electro-optic effects due to or modified by flexoelectricity as well as various (direct and indirect) measurement methods are discussed. Special emphasis is given to the role of flexoelectricity in pattern-forming instabilities. While the main focus of the book lies in flexoelectricity in nematic liquid crystals, peculiarities of other mesophases (bent-core systems, cholesterics, and smectics) are also reviewed. Flexoelectricity has relevance to biological (living) systems and can also offer possibilities for technical applications. The basics of these two interdisciplinary fields are also summarized. Contents:Introduction to Flexoelectricity: Its Discovery and Basic Concepts (R B Meyer)Molecular Theory of Flexoelectricity in Nematic Liquid Crystals (M A Osipov)Flexoelectro-optics and Measurements of Flexocoefficients (N V Madhusudana)Flexoelectricity of Bent-core Molecules (A Jákli, J Harden and N Éber)The Role of Flexoelectricity in Pattern Formation (Á Buka, T Tóth-Katona, N Éber, A Krekhov and W Pesch)Flexoelectricity in Chiral Polar Smectics (M Čepič)Flexoelectricity in Lyotropics and in Living Liquid Crystals (A G Petrov)Applications of Flexoelectricity (P Rudquist and S T Lagerwall)Appendix A. Measured Flexoelectric Coefficients of Nematic Liquid Crystals (N Éber)Appendix B. Abbreviations Readership: Graduate students and researchers in physics, biology and their applications. Keywords:Liquid Crystals;Flexoelectricity;Polarization;Nematic;Cholesteric;Smectic;LyotropicKey Features:A gap-filling first comprehensive review of the fieldChapters written by prominent expertsThe book features an interdisciplinary character - physical, biological and application aspectsReviews:“The present book brings together the expertise of a range of authors to provide an understandable, timely and up-to-date account of the topic. One can thus recommend this volume to anyone who is interested in polar effects of liquid crystals, and beyond.”Liquid Crystals Today



Dynamic Plasticity

Dynamic Plasticity Author N. Cristescu
ISBN-10 9780323163293
Release 2012-12-02
Pages 626
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Dynamic Plasticity discusses the problems encountered in the theory of dynamic deformation of plastic bodies. The book describes one-dimensional problems involving a single component of stress, particle velocity, and single spatial coordinate. The propagation of longitudinal elastic-plastic waves in thin rods or wires is a simple example of this problem of dynamic plasticity. Another one-dimensional problem, which has various possible transverse motions, is the dynamics of extensible strings. This problem is associated in calculations dealing with cables of suspension bridges, of elevator cables, of electric cables. The analogy with the mechanics of extensible strings can be extended to circular and rectangular membranes such as explained by Karunes and Onat. Karunes and Onat analyzed the propagation of transverse and longitudinal shock waves in such membranes using the Rakhmatulin theory for strings. The text also discusses axi-symmetrical problems and the problems of soil mechanics when applied to soft soils. The book can prove valuable to civil engineers, structural engineers, physicist, and students of mechanical engineering or industrial design.



Stability of Structures

Stability of Structures Author Z. P. Ba?ant
ISBN-10 9789814317023
Release 2010
Pages 1011
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A crucial element of structural and continuum mechanics, stability theory has limitless applications in civil, mechanical, aerospace, naval and nuclear engineering. This text of unparalleled scope presents a comprehensive exposition of the principles and applications of stability analysis. It has been proven as a text for introductory courses and various advanced courses for graduate students. It is also prized as an exhaustive reference for engineers and researchers. The authors' focus on understanding of the basic principles rather than excessive detailed solutions, and their treatment of each subject proceed from simple examples to general concepts and rigorous formulations. All the results are derived using as simple mathematics as possible. Numerous examples are given and 700 exercise problems help in attaining a firm grasp of this central aspect of solid mechanics. The book is an unabridged republication of the 1991 edition by Oxford University Press and the 2003 edition by Dover, updated with 18 pages of end notes.



Hydraulic Control Systems

Hydraulic Control Systems Author Shizurou Konami
ISBN-10 9789814759663
Release 2016-08-19
Pages 328
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A hydraulic system controls the transmission of energy. It transforms the mechanical energy of a prime motor into fluid energy. It controls the fluid configuration and transforms the fluid energy into mechanical work at specified locations. Hydraulic systems feature high power density, sensitive response and precision of control, especially when operating under computer control. Thus, they have been widely used as the energy transmission control systems in aircraft, ships, construction machinery, machine tools and others. Therefore, it is indispensable for a mechanical engineer to become versed with hydraulic control technology. The technology is mainly associated with fluid mechanics and control theories, but it is related to the wider field of engineering as well. This book provides a comprehensive treatment of the analysis and design of hydraulic control systems which will be invaluable for practising engineers, as well as undergraduate and graduate students specializing in mechanical engineering. Firstly, the fundamental concepts of hydraulic control systems are addressed, and illustrated by reference to applications in the field of aviation engineering. Secondly, the fluid mechanics necessary for the comprehension of hydraulic elements are provided. The technology of the hydraulic components composing hydraulic control systems is addressed, the key focus being on how to apply theoretical concepts into the design and analysis of hydraulic components and systems. Finally, there is a discussion on fundamental control technology and its application to hydraulic servo systems. This includes the formation of hydraulic servo systems, basic control theorems, methods identifying the dynamic characteristics of hydraulic actuator systems, and a design method for hydraulic control systems. Numerical exercises are provided at the end of each chapter. Request Inspection Copy



Flexoelectricity in Liquid Crystals

Flexoelectricity in Liquid Crystals Author Agnes Buka
ISBN-10 9781848167995
Release 2013
Pages 290
Download Link Click Here

The book intends to give a state-of-the-art overview of flexoelectricity, a linear physical coupling between mechanical (orientational) deformations and electric polarization, which is specific to systems with orientational order, such as liquid crystals. Chapters written by experts in the field shed light on theoretical as well as experimental aspects of research carried out since the discovery of flexoelectricity. Besides a common macroscopic (continuum) description the microscopic theory of flexoelectricity is also addressed. Electro-optic effects due to or modified by flexoelectricity as well as various (direct and indirect) measurement methods are discussed. Special emphasis is given to the role of flexoelectricity in pattern-forming instabilities. While the main focus of the book lies in flexoelectricity in nematic liquid crystals, peculiarities of other mesophases (bent-core systems, cholesterics, and smectics) are also reviewed. Flexoelectricity has relevance to biological (living) systems and can also offer possibilities for technical applications. The basics of these two interdisciplinary fields are also summarized.



Modeling and Simulation of Distributed Systems

Modeling and Simulation of Distributed Systems Author Alexander Kostin
ISBN-10 9789813107731
Release 2010-06-28
Pages 440
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CD-ROM with a simulation system and numerous solved models is attached to the book. Distributed systems are a continuously expanding area of computer science and computer engineering. This book addresses the need for literature on modeling and simulation techniques for distributed systems. For simulation modeling of distributed systems in the book, a specific class of extended Petri nets is used that allows to easily represent the fundamental processes of any distributed system. The book is intended, first of all, as a text for related graduate-level university courses on distributed systems in computer science and computer engineering. Other computer science and computer engineering courses would also find the book useful as a source of practical information for a broad community of those graduate students who are busy with simulation in their study and research. The book can be useful also to academics who give related graduate courses or deliver research-oriented modules for graduate students. Further, the book can be helpful to system architects and developers who apply modeling and simulation techniques as a step in the design and implementation of their systems. Containing a large number of models, with commented source texts and simulation results on the attached CD-ROM, it can also serve as valuable reference book for researchers who want to develop their own models in terms of Petri nets.



Frontiers of Ferroelectricity

Frontiers of Ferroelectricity Author Sidney B. Lang
ISBN-10 9780387380391
Release 2007-12-31
Pages 288
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This book presents theory, fundamentals and applications of ferroelectricy. 24 chapters gather reviews and research reports covering the spectrum of ferroelectricity. It describes the current levels of understanding of various aspects of ferroelectricity as presented by authorities in the field. Topics include relaxors, piezoelectrics, microscale and nanoscale studies, polymers and composites, unusual properties, and techniques and devices. The book is intended for physicists, engineers and materials scientists working with ferroelectric materials.



Computational Geometry for Ships

Computational Geometry for Ships Author H. Nowacki
ISBN-10 9810233531
Release 1995
Pages 238
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This book offers an advanced course on ?Computational Geometry for Ships?. It takes into account the recent rapid progress in this field by adapting modern computational methodology to ship geometric applications. Preliminary curve and surface techniques are included to educate engineers in the use of mathematical methods to assist in CAD and other design areas. In addition, there is a comprehensive study of interpolation and approximation techniques, which is reinforced by direct application to ship curve design, ship curve fairing techniques and other related disciplines. The design, evaluation and production of ship surface geometries are further demonstrated by including current and evolving CAD modelling systems.



Feedback Networks Theory and Circuit Applications

Feedback Networks  Theory and Circuit Applications Author J Choma
ISBN-10 9789813103061
Release 2007-03-28
Pages 888
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This book addresses the theoretical and practical circuit and system concepts that underpin the design of reliable and reproducible, high performance, monolithic feedback circuits. It is intended for practicing electronics engineers and students who wish to acquire an insightful understanding of the ways in which open loop topologies, closed loop architectures, and fundamental circuit theoretic issues combine to determine the limits of performance of analog networks. Since many of the problems that underpin high speed digital circuit design are a subset of the analysis and design dilemmas confronted by wideband analog circuit designers, the book is also germane to high performance digital circuit design.



Photonics in Space

Photonics in Space Author Caterina Ciminelli
ISBN-10 9789814725125
Release 2016-07-21
Pages 236
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The book focuses on photonic devices and systems for space applications and critically reviews the most promising research advances in the field of photonic technologies, which may have a significant impact on the performance of space systems. Photonics is emerging as a crucial enabling technology having the potential of enhancing many space systems, including the links for on-board data handling, the high-resolution measurement systems, and the processing units. The book discusses this subject with a special emphasis on the new guided-wave devices with high performance, low cost and size. Most of the scientific content of the book is novel and it is devoted to academic and industrial researchers working on the field. Contents:IntroductionFundamentals of Photonic DevicesOptical Links for Inter- and Intra-Spacecraft Communications Optical Signal Processors and Optical RF OscillatorsImage DetectorsPhotonic Sensors and InstrumentsSolar Cells for SpaceEmerging Space Applications of Photonics Readership: Graduate students, researchers and professionals in the field of aerospace engineering, electrical & electronic engineering, nanophotonics and optics.



Understanding Solids

Understanding Solids Author Richard J. D. Tilley
ISBN-10 9781118423257
Release 2013-03-22
Pages 576
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The second edition of a modern introduction to the chemistry and physics of solids. This textbook takes a unique integrated approach designed to appeal to both science and engineering students. Review of 1st edition “an extremely wide-ranging, useful book that is accessible to anyone with a firm grasp of high school science…this is an outstanding and affordable resource for the lifelong learner or current student.” Choice, 2005 The book provides an introduction to the chemistry and physics of solids that acts as a foundation to courses in materials science, engineering, chemistry, and physics. It is equally accessible to both engineers and scientists, through its more scientific approach, whilst still covering the material essential to engineers. This edition contains new sections on the use of computing methods to solve materials problems and has been thoroughly updated to include the many developments and advances made in the past 10 years, e.g. batteries, solar cells, lighting technology, lasers, graphene and graphene electronics, carbon nanotubes, and the Fukashima nuclear disaster. The book is carefully structured into self-contained bite-sized chapters to enhance student understanding and questions have been designed to reinforce the concepts presented. The supplementary website includes Powerpoint slides and a host of additional problems and solutions.



Ferroelectric Materials for Energy Applications

Ferroelectric Materials for Energy Applications Author Haitao Huang
ISBN-10 9783527807475
Release 2018-08-31
Pages 384
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Provides a comprehensive overview of the emerging applications of ferroelectric materials in energy harvesting and storage Conventional ferroelectric materials are normally used in sensors and actuators, memory devices, and field effect transistors, etc. Recent progress in this area showed that ferroelectric materials can harvest energy from multiple sources including mechanical energy, thermal fluctuations, and light. This book gives a complete summary of the novel energy-related applications of ferroelectric materials?and reviews both the recent advances as well as the future perspectives in this field. Beginning with the fundamentals of ferroelectric materials, Ferroelectric Materials for Energy Applications offers in-depth chapter coverage of: piezoelectric energy generation; ferroelectric photovoltaics; organic-inorganic hybrid perovskites for solar energy conversion; ferroelectric ceramics and thin films in electric energy storage; ferroelectric polymer composites in electric energy storage; pyroelectric energy harvesting; ferroelectrics in electrocaloric cooling; ferroelectric in photocatalysis; and first-principles calculations on ferroelectrics for energy applications. -Covers a highly application-oriented subject with great potential for energy conversion and storage applications. -Focused toward a large, interdisciplinary group consisting of material scientists, solid state physicists, engineering scientists, and industrial researchers -Edited by the "father of integrated ferroelectrics" Ferroelectric Materials for Energy Applications is an excellent book for researchers working on ferroelectric materials and energy materials, as well as engineers looking to broaden their view of the field.



Piezoelectric Nanomaterials for Biomedical Applications

Piezoelectric Nanomaterials for Biomedical Applications Author Gianni Ciofani
ISBN-10 9783642280443
Release 2012-03-31
Pages 250
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Nanoscale structures and materials have been explored in many biological applications because of their novel and impressive physical and chemical properties. Such properties allow remarkable opportunities to study and interact with complex biological processes. This book analyses the state of the art of piezoelectric nanomaterials and introduces their applications in the biomedical field. Despite their impressive potentials, piezoelectric materials have not yet received significant attention for bio-applications. This book shows that the exploitation of piezoelectric nanoparticles in nanomedicine is possible and realistic, and their impressive physical properties can be useful for several applications, ranging from sensors and transducers for the detection of biomolecules to “sensible” substrates for tissue engineering or cell stimulation.