A Partially Auxetic Metamaterial Inspired By The Maltese Cross

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A Partially Auxetic Metamaterial Inspired by the Maltese Cross

Author : Teik-Cheng Lim
Publisher : Cambridge University Press
ISBN 13 : 1009246429
Total Pages : 139 pages
Book Rating : 4.0/5 (92 download)

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Book Synopsis A Partially Auxetic Metamaterial Inspired by the Maltese Cross by : Teik-Cheng Lim

Download or read book A Partially Auxetic Metamaterial Inspired by the Maltese Cross written by Teik-Cheng Lim and published by Cambridge University Press. This book was released on 2022-09-15 with total page 139 pages. Available in PDF, EPUB and Kindle. Book excerpt: A partially-auxetic metamaterial is introduced, inspired by the Maltese cross. Each unit of this metamaterial consists of a pair of counter-rotating equal-armed crosses, which is interconnected to neighboring units via hinge rods and connecting rods. Based on linkage theory, the on-axes Poisson's ratio was established considering a two-fold symmetrical mechanism, while the (anti)tetrachiral mechanisms were identified for on-axes uniaxial compression. A shearing mechanism is suggested for pure shearing and diagonal loading of the metamaterial with square array. Results suggest that the approximated infinitesimal models are valid for the Poisson's ratio of the two-fold symmetrical and the (anti)tetrachiral mechanisms under on-axis tension and compression, respectively; however, the finite model is recommended for quantifying the Poisson's ratio under pure shear and off-axis loading. This metamaterial manifests microstructural trinity, in which three different loading modes result in three different groups of deformation mechanisms. Finally, suggestions are put forth for some unsolved predictive problems.

Advanced Wind Turbines

Author : Teik-cheng Lim
Publisher : World Scientific
ISBN 13 : 9811272506
Total Pages : 538 pages
Book Rating : 4.8/5 (112 download)

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Book Synopsis Advanced Wind Turbines by : Teik-cheng Lim

Download or read book Advanced Wind Turbines written by Teik-cheng Lim and published by World Scientific. This book was released on 2023-09-13 with total page 538 pages. Available in PDF, EPUB and Kindle. Book excerpt: How can non-windy places make use of wind power for electricity generation? Advanced Wind Turbines provides detailed information that is of great practical importance to wind turbine practitioners from small and congested city-states, where the lack of vast land and high wind speed render the conventional wind turbine less effective. It introduces the non-conventional Darrieus and Savonius wind turbines, as well as their hybrid version, covering basic concepts, computational modelling and recent advances in experimental optimization.What about those who prefer wind turbines in faraway oceans to take advantage of high wind speed, or who come from countries with a lack of shallow seabed? Floating offshore wind turbines are also discussed, and the dynamics of floating vis-à-vis grounded wind turbines are thoroughly expounded upon to aid practitioners in achieving more accurate performance modelling. This is a work of paramount usefulness for areas which have long wanted to jump on the renewable energy bandwagon, but have thus far been hampered by their natural geographical limitations.

Information Metamaterials

Author : Tie Jun Cui
Publisher : Cambridge University Press
ISBN 13 : 1108960561
Total Pages : 189 pages
Book Rating : 4.1/5 (89 download)

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Book Synopsis Information Metamaterials by : Tie Jun Cui

Download or read book Information Metamaterials written by Tie Jun Cui and published by Cambridge University Press. This book was released on 2021-02-18 with total page 189 pages. Available in PDF, EPUB and Kindle. Book excerpt: Metamaterials have attracted enormous interests from both physics and engineering communities in the past 20 years, owing to their powerful ability in manipulating electromagnetic waves. However, the functionalities of traditional metamaterials are fixed at the time of fabrication. To control the EM waves dynamically, active components are introduced to the meta-atoms, yielding active metamaterials. Recently, a special kind of active metamaterials, digital coding and programmable metamaterials, are proposed, which can achieve dynamically controllable functionalities using field programmable gate array (FPGA). Most importantly, the digital coding representations of metamaterials set up a bridge between the digital world and physical world, and allow metamaterials to process digital information directly, leading to information metamaterials. In this Element, we review the evolution of information metamaterials, mainly focusing on their basic concepts, design principles, fabrication techniques, experimental measurement and potential applications. Future developments of information metamaterials are also envisioned.

Auxetic Materials and Structures

Author : Teik-Cheng Lim
Publisher : Springer
ISBN 13 : 9812872752
Total Pages : 587 pages
Book Rating : 4.8/5 (128 download)

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Book Synopsis Auxetic Materials and Structures by : Teik-Cheng Lim

Download or read book Auxetic Materials and Structures written by Teik-Cheng Lim and published by Springer. This book was released on 2014-12-27 with total page 587 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book lays down the foundation on the mechanics and design of auxetic solids and structures, solids that possess negative Poisson’s ratio. It will benefit two groups of readers: (a) industry practitioners, such as product and structural designers, who need to control mechanical stress distributions using auxetic materials, and (b) academic researchers and students who intend to produce unique mechanical and other physical properties of structures using auxetic materials.

Epsilon-Near-Zero Metamaterials

Author : Yue Li
Publisher : Cambridge University Press
ISBN 13 : 100923417X
Total Pages : pages
Book Rating : 4.0/5 (92 download)

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Book Synopsis Epsilon-Near-Zero Metamaterials by : Yue Li

Download or read book Epsilon-Near-Zero Metamaterials written by Yue Li and published by Cambridge University Press. This book was released on 2022-02-03 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This Element introduces the exotic wave phenomena arising from the extremely small optical refractive index, and sheds light on the underlying mechanisms, with a primary focus on the basic concepts and fundamental wave physics. The authors reveal the exciting applications of ENZ metamaterials, which have profound impacts over a wide range of fields of science and technology. The sections are organized as follows: in Section 2, the authors demonstrate the extraordinary wave properties in ENZ metamaterials, analyzing the unique wave dynamics and the resulting effects. Section 3 is dedicated to introducing various realization methods of the ENZ metamaterials with periodic and non-periodic styles. The applications of ENZ metamaterials are discussed in Sections 4 and 5, from the perspectives of microwave engineering, optics, and quantum physics. The authors close in Section 6 by presenting an outlook on the development of ENZ metamaterials and discussing the key challenges addressed in future works.

Mechanics of Metamaterials with Negative Parameters

Author : Teik-Cheng Lim
Publisher : Springer Nature
ISBN 13 : 9811564469
Total Pages : 702 pages
Book Rating : 4.8/5 (115 download)

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Book Synopsis Mechanics of Metamaterials with Negative Parameters by : Teik-Cheng Lim

Download or read book Mechanics of Metamaterials with Negative Parameters written by Teik-Cheng Lim and published by Springer Nature. This book was released on 2020-07-23 with total page 702 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book discusses bulk solids that derive their mechanical properties not from those of their base materials, but from their designed microstructures. Focusing on the negative mechanical properties, it addresses topics that reveal the counter-intuitive nature of solids, specifically the negativity of properties that are commonly positive, such as negative bulk modulus, negative compressibility, negative hygroexpansion, negative thermal expansion, negative stiffness phase, and negative Poisson’s ratio. These topics are significant not only due to the curiosity they have sparked, but also because of the possibility of designing materials and structures that can behave in ways that are not normally expected in conventional solids, and as such, of materials that can outperform solids and structures made from conventional materials. The book includes illustrations to facilitate learning, and, where appropriate, reference tables. The presentation is didactic, starting with simple cases, followed by increasingly complex ones. It provides a solid foundation for graduate students, and a valuable resource for practicing materials engineers seeking to develop novel materials through the judicious design of microstructures and their corresponding mechanisms.

Effective Medium Theory of Metamaterials and Metasurfaces

Author : Wei Xiang Jiang
Publisher : Cambridge University Press
ISBN 13 : 1108872050
Total Pages : 86 pages
Book Rating : 4.1/5 (88 download)

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Book Synopsis Effective Medium Theory of Metamaterials and Metasurfaces by : Wei Xiang Jiang

Download or read book Effective Medium Theory of Metamaterials and Metasurfaces written by Wei Xiang Jiang and published by Cambridge University Press. This book was released on 2022-02-03 with total page 86 pages. Available in PDF, EPUB and Kindle. Book excerpt: Metamaterials, including their two-dimensional counterparts, are composed of subwavelength-scale artificial particles. These materials have novel electromagnetic properties, and can be artificially tailored for various applications. Based on metamaterials and metasurfaces, many abnormal physical phenomena have been realized, such as negative refraction, invisible cloaking, abnormal reflection and focusing, and many new functions and devices have been developed. The effective medium theory lays the foundation for design and application of metamaterials and metasurfaces, connecting metamaterials with real world applications. In this Element, the authors combine these essential ingredients, and aim to make this Element an access point to this field. To this end, they review classical theories for dielectric functions, effective medium theory, and effective parameter extraction of metamaterials, also introducing front edge technologies like metasurfaces with theories, methods, and potential applications. Energy densities are also included.

Advances in Therapeutic Engineering

Author : Wenwei Yu
Publisher : CRC Press
ISBN 13 : 1439871744
Total Pages : 496 pages
Book Rating : 4.4/5 (398 download)

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Book Synopsis Advances in Therapeutic Engineering by : Wenwei Yu

Download or read book Advances in Therapeutic Engineering written by Wenwei Yu and published by CRC Press. This book was released on 2012-12-03 with total page 496 pages. Available in PDF, EPUB and Kindle. Book excerpt: Therapeutic Engineering (TE) is a cutting-edge domain in today’s era of medical technology research. Through engineering algorithms that provide technological solutions, it aims to elevate the quality of life of disabled individuals. Advances in Therapeutic Engineering describes various therapeutic processes and mechanisms currently applied to the field of healthcare in a range of areas, including mobility, communications, hearing, vision, and mental health and cognition. The book explores research and advances in the areas of hand-eye coordination, motor function, the biomechanics of lower limbs, and treatment of spinal diseases and neural plasticity. It discusses electrical stimulation methodologies for improving human gait. It also examines prosthetic devices and assistive technology, induction heater-based treatment, and inclusive user modelling and simulation. Additional chapters cover automated asthma detection using clinico–spirometric information, computer-aided diagnostic modules for malaria screening, and various data mining techniques that have been developed and successfully implemented in healthcare management. The contributors also examine semantic interoperability issues in e-health systems and clinical decision support systems (CDSSs) Ranging from prosthetics to sensory substitution and medical robotics, the book will prove enlightening to researchers and practitioners in a host of disciplines who want to understand the recent advances achieved globally in the field of therapeutic engineering.

Nanosensors

Author : Teik-Cheng Lim
Publisher : CRC Press
ISBN 13 : 143980737X
Total Pages : 334 pages
Book Rating : 4.4/5 (398 download)

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Book Synopsis Nanosensors by : Teik-Cheng Lim

Download or read book Nanosensors written by Teik-Cheng Lim and published by CRC Press. This book was released on 2016-04-19 with total page 334 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nanosensors are rapidly becoming a technology of choice across diverse fields. They offer effective and affordable options for detecting and measuring chemical and physical properties in difficult-to-reach biological and industrial systems operating at the nanoscale. However, with nanosensor development occurring in so many fields, it has become di

Metamaterial Electromagnetic Wave Absorbers

Author : Willie J. Padilla
Publisher : Morgan & Claypool Publishers
ISBN 13 : 1636392601
Total Pages : 199 pages
Book Rating : 4.6/5 (363 download)

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Book Synopsis Metamaterial Electromagnetic Wave Absorbers by : Willie J. Padilla

Download or read book Metamaterial Electromagnetic Wave Absorbers written by Willie J. Padilla and published by Morgan & Claypool Publishers. This book was released on 2022-01-24 with total page 199 pages. Available in PDF, EPUB and Kindle. Book excerpt: Electromagnetic metamaterials are a family of shaped periodic materials which achieve extraordinary scattering properties that are difficult or impossible to achieve with naturally occurring materials. This book focuses on one such feature of electromagnetic metamaterials—the theory, properties, and applications of the absorption of electromagnetic radiation. We have written this book for undergraduate and graduate students, researchers, and practitioners, covering the background and tools necessary to engage in the research and practice of metamaterial electromagnetic wave absorbers in various fundamental and applied settings. Given the growing impact of climate change, the call for innovations that can circumvent the use of conventional energy sources will be increasingly important. As we highlight in Chapter 6, the absorption of radiation with electromagnetic metamaterials has been used for energy harvesting and energy generation, and will help to reduce reliance on fossil fuels. Other applications ranging from biochemical sensing to imaging are also covered. We hope this book equips interested readers with the tools necessary to successfully engage in applied metamaterials research for clean, sustainable energy. This book consists of six chapters. Chapter 1 provides an introduction and a brief history of electromagnetic wave absorbers; Chapter 2 focuses on several theories of perfect absorbers; Chapter 3 discusses the scattering properties achievable with metamaterial absorbers; Chapter 4 provides significant detail on the fabricational processes; Chapter 5 discusses examples of dynamical absorbers; and Chapter 6 highlights applications of metamaterial absorbers.

Polyolefin Composites

Author : Domasius Nwabunma
Publisher : John Wiley & Sons
ISBN 13 : 0470199024
Total Pages : 625 pages
Book Rating : 4.4/5 (71 download)

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Book Synopsis Polyolefin Composites by : Domasius Nwabunma

Download or read book Polyolefin Composites written by Domasius Nwabunma and published by John Wiley & Sons. This book was released on 2008-01-09 with total page 625 pages. Available in PDF, EPUB and Kindle. Book excerpt: This guide to the properties and applications of polyolefin composites consolidates information to help the reader compare, select, and integrate a material solution as needed. It covers polyolefin microcomposites, polyolefin nanocomposites, and advanced polyolefin nano and molecular composites and discusses processing, morphological characterization, crystallization, structure and properties, and performance evaluation at micro and nano structural levels. It details modeling and simulation, engineering performance properties, and applications. This is a practical, hands-on reference for practicing professionals as well as graduate students.

Size-Dependent Continuum Mechanics Approaches

Author : Esmaeal Ghavanloo
Publisher : Springer Nature
ISBN 13 : 3030630501
Total Pages : 463 pages
Book Rating : 4.0/5 (36 download)

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Book Synopsis Size-Dependent Continuum Mechanics Approaches by : Esmaeal Ghavanloo

Download or read book Size-Dependent Continuum Mechanics Approaches written by Esmaeal Ghavanloo and published by Springer Nature. This book was released on 2021-04-02 with total page 463 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book offers a comprehensive and timely report of size-dependent continuum mechanics approaches. Written by scientists with worldwide reputation and established expertise, it covers the most recent findings, advanced theoretical developments and computational techniques, as well as a range of applications, in the field of nonlocal continuum mechanics. Chapters are concerned with lattice-based nonlocal models, Eringen’s nonlocal models, gradient theories of elasticity, strain- and stress-driven nonlocal models, and peridynamic theory, among other topics. This book provides researchers and practitioners with extensive and specialized information on cutting-edge theories and methods, innovative solutions to current problems and a timely insight into the behavior of some advanced materials and structures. It also offers a useful reference guide to senior undergraduate and graduate students in mechanical engineering, materials science, and applied physics.

Applications of Metamaterials

Author : Filippo Capolino
Publisher : CRC Press
ISBN 13 : 1420054244
Total Pages : 762 pages
Book Rating : 4.4/5 (2 download)

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Book Synopsis Applications of Metamaterials by : Filippo Capolino

Download or read book Applications of Metamaterials written by Filippo Capolino and published by CRC Press. This book was released on 2017-12-19 with total page 762 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book uses the first volume’s exploration of theory, basic properties, and modeling topics to develop readers’ understanding of applications and devices that are based on artificial materials. It explores a wide range of applications in fields including electronics, telecommunications, sensing, medical instrumentation, and data storage. The text also includes a practical user’s guide and explores key areas in which artificial materials have developed. It includes experts’ perspectives on current and future applications of metamaterials, to present a well-rounded view on state-of-the-art technologies.

Electromagnetic Metamaterials

Author : Christophe Caloz
Publisher : John Wiley & Sons
ISBN 13 : 0471754315
Total Pages : 352 pages
Book Rating : 4.4/5 (717 download)

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Book Synopsis Electromagnetic Metamaterials by : Christophe Caloz

Download or read book Electromagnetic Metamaterials written by Christophe Caloz and published by John Wiley & Sons. This book was released on 2005-11-22 with total page 352 pages. Available in PDF, EPUB and Kindle. Book excerpt: Electromagnetic metamaterials-from fundamental physics to advanced engineering applications This book presents an original generalized transmission line approach associated with non-resonant structures that exhibit larger bandwidths, lower loss, and higher design flexibility. It is based on the novel concept of composite right/left-handed (CRLH) transmission line metamaterials (MMs), which has led to the development of novel guided-wave, radiated-wave, and refracted-wave devices and structures. The authors introduced this powerful new concept and are therefore able to offer readers deep insight into the fundamental physics needed to fully grasp the technology. Moreover, they provide a host of practical engineering applications. The book begins with an introductory chapter that places resonant type and transmission line metamaterials in historical perspective. The next six chapters give readers a solid foundation in the fundamentals and practical applications: Fundamentals of LH MMs describes the fundamental physics and exotic properties of left-handed metamaterials TL Theory of MMs establishes the foundations of CRLH structures in three progressive steps: ideal transmission line, LC network, and real distributed structure Two-Dimensional MMs develops both a transmission matrix method and a transmission line method to address the problem of finite-size 2D metamaterials excited by arbitrary sources Guided-Wave Applications and Radiated-Wave Applications present a number of groundbreaking applications developed by the authors The Future of MMs sets forth an expert view on future challenges and prospects This engineering approach to metamaterials paves the way for a new generation of microwave and photonic devices and structures. It is recommended for electrical engineers, as well as physicists and optical engineers, with an interest in practical negative refractive index structures and materials.

Adapting 2D Nanomaterials for Advanced Applications

Author : Lakhveer Singh
Publisher :
ISBN 13 : 9780841298927
Total Pages : pages
Book Rating : 4.2/5 (989 download)

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Book Synopsis Adapting 2D Nanomaterials for Advanced Applications by : Lakhveer Singh

Download or read book Adapting 2D Nanomaterials for Advanced Applications written by Lakhveer Singh and published by . This book was released on 2020 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Human Eye Imaging and Modeling

Author : E. Y. K. Ng
Publisher : CRC Press
ISBN 13 : 1439869936
Total Pages : 432 pages
Book Rating : 4.4/5 (398 download)

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Book Synopsis Human Eye Imaging and Modeling by : E. Y. K. Ng

Download or read book Human Eye Imaging and Modeling written by E. Y. K. Ng and published by CRC Press. This book was released on 2012-06-05 with total page 432 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advanced image processing and mathematical modeling techniques are increasingly being used for the early diagnosis of eye diseases. A comprehensive review of the field, Human Eye Imaging and Modeling details the latest advances and analytical techniques in ocular imaging and modeling. The first part of the book looks at imaging of the fundus as well as infrared imaging. It begins by exploring developments in the analysis of fundus images, particularly for the diagnosis of diabetic retinopathy and glaucoma. It also reviews anterior segment imaging and reports on developments in ocular thermography, especially the use of thermal imaging as the basis of tear evaporimetry and dry eye diagnosis. The second part of the book delves into mathematical modeling of the human eye. Coverage includes modeling of the eye during retinal laser surgery, a framework for optical simulation, heat distribution using a 3D web-splines solution, and exposure to laser radiation. The text also examines computer simulation of the human eye based on principles of heat transfer, as well as various bioheat equations to predict interior temperatures based on the surface temperature. Featuring contributions by established experts in eye imaging, this is a valuable reference for medical personnel and researchers who want to know more about state-of-the-art computer-based imaging and detection methods. It presents novel imaging and modeling algorithms that can aid in early diagnosis, with the aim of enriching the lives of people suffering from eye abnormalities.

Advances in Electromagnetics of Complex Media and Metamaterials

Author : Saïd Zouhdi
Publisher : Springer Science & Business Media
ISBN 13 : 9400710674
Total Pages : 479 pages
Book Rating : 4.4/5 (7 download)

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Book Synopsis Advances in Electromagnetics of Complex Media and Metamaterials by : Saïd Zouhdi

Download or read book Advances in Electromagnetics of Complex Media and Metamaterials written by Saïd Zouhdi and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 479 pages. Available in PDF, EPUB and Kindle. Book excerpt: The NATO Advanced Research Workshop Bianisotropics 2002 was held in th Marrakesh, Morocco, during 8-11 May 2002. This was the 9 International Conference on Electromagnetics of Complex Media, belonging to a series of meetings where the focus is on electromagnetics of chiral, bianisotropic, and other materials that may respond to electric and magnetic field excitations in special manner. The first of these meetings was held in Espoo, Finland (1993), and the following venues were Gomel, Belarus (1993), Perigueux, France (1994), State College, Pennsylvania, USA (1995), the rivers and channels between St. Petersburg and Moscow in Russia (1996), Glasgow, Scotland (1997), Brunswick, Germany (1998), and Lisbon, Portugal (2000). The present book contains full articles of several of the presentations that were given in the Marrakesh conference. In Bianisotropics 2002, 8 re view lectures, 14 invited lectures and 68 contributed talks and posters were presented. Of these presentations, after a double review process, 28 contributions have achieved their final form on the pages to follow. From the contributions ofthe meeting, also another publication is being planned: a Special Issue of the journal Electromagnetics will be devoted to complex materials. Guest editors for this issue are Keith W. Whites and Said Zouhdi. The chairmen of Bianisotropics 2002conference were Said Zouhdi (Pierre et Marie Curie University - Paris) and Mohamed Arsalane (Cadi Ayyad University - Marrakesh), who were assisted by Scientists from Moroccan Universities and the International Bianisotropics Conference Committee.