Inverse Design Of Metamaterials For Wave Control

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Programmable Elastic Metamaterials For Wave Control And Device Applications

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Author : Hui Chen
language : en
Publisher: Frontiers Media SA
Release Date : 2023-10-27

Programmable Elastic Metamaterials For Wave Control And Device Applications written by Hui Chen and has been published by Frontiers Media SA this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-10-27 with Science categories.

Emerging from electromagnetic waves and fast extending to acoustic and elastic waves, metamaterials that exhibit extraordinary wave control abilities have been gaining soaring attention. Over the past two decades, elastic metamaterials with engineered microstructures have provided a variety of appealing solutions for controlling elastic waves and vibrations. By tailoring their internal microstructures at a subwavelength scale, elastic metamaterials fruitfully distinct themselves from traditional materials or phononic crystals by their striking functions in wave trajectory manipulation, cloaking, nonreciprocal and topological wave control, as well as low-frequency wave/vibration mitigation and absorption.

Inverse Design Of Metamaterials For Wave Control

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Author : Heedong Goh
language : en
Publisher:
Release Date : 2020

Inverse Design Of Metamaterials For Wave Control written by Heedong Goh and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020 with categories.

Metamaterials are engineered materials, whose spatially periodic arrangement of their constituent materials endows the composite assembly with rather unconventional properties, when macroscopically observed. In the context of the three wave-supporting physics regimes -elastodynamics, acoustics, and electromagnetics- metamaterials present unique opportunities for previously unimaginable user control over the resulting wave behavior. To date, the design of metamaterials is mostly done on an ad hoc basis, relying mostly on one-of-a-kind or incremental physical experiments and forward computational modeling. This dissertation introduces a systematic methodology, rooted in inverse problem theory, for engineering the dispersive properties of periodic media to meet a priori, user-defined, wave control objectives. Both scalar and vector waves are considered. In the developed methodology, the material properties and geometry parameters of the unit cell of the periodic medium become the inversion variables. The inversion is driven by the user-defined wave control objective, constrained by the dispersive characteristics of the unit cell. Though the methodology is flexible enough and can accommodate fairly broad dispersion engineering objectives, here the focus is on band-gaping propagating waves at user-defined frequency ranges. Numerical results in the frequency domain demonstrate that the inversion process yields unit cells that indeed attain the user-defined dispersive behavior. The inverted-for unit cells are then used to build metamaterial assemblies of not only finite periodicity, as opposed to infinite, but of fairly narrow periodicity, and are tested in the time domain against broadband excitations: it is shown that it is possible to attain the desired wave control with sub-wavelength size metamaterial assemblies

Metamaterials And Wave Control

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Author : Eric Lheurette
language : en
Publisher: John Wiley & Sons
Release Date : 2013-12-04

Metamaterials And Wave Control written by Eric Lheurette and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-12-04 with Science categories.

Since the concept was first proposed at the end of the 20th Century, metamaterials have been the subject of much research and discussion throughout the wave community. More than 10 years later, the number of related published articles is increasing significantly. On the one hand, this success can be attributed to dreams of new physical objects which are the consequences of the singular properties of metamaterials. Among them, we can consider the examples of perfect lensing and invisibility cloaking. On other hand, metamaterials also provide new tools for the design of well-known wave functions such as antennas for electromagnetic waves. The goal of this book is to propose an overview of the concept of metamaterials as a perspective on a new practical tool for wave study and engineering. This includes both the electromagnetic spectrum, from microwave to optics, and the field of acoustic waves. Contents 1. Overview of Microwave and Optical Metamaterial Technologies, Didier Lippens. 2. MetaLines: Transmission Line Approach for the Design of Metamaterial Devices, Bruno Sauviac. 3. Metamaterials for Non-Radiative Microwave Functions and Antennas, Divitha Seetharamdoo and Bruno Sauviac. 4. Toward New Prospects for Electromagnetic Compatibility, Divitha Seetharamdoo. 5. Dissipative Loss in Resonant Metamaterials, Philippe Tassin, Thomas Koschny, and Costas M. Soukoulis. 6. Transformation Optics and Antennas, André de Lustrac, Shah Nawaz Burokur and Paul-Henri Tichit. 7. Metamaterials for Control of Surface Electromagnetic and Liquid Waves, Sébastien Guenneau, Mohamed Farhat, Muamer Kadic, Stefan Enoch and Romain Quidant. 8. Classical Analog of Electromagnetically Induced Transparency, Philippe Tassin, Thomas Koschny and Costas M. Soukoulis.

Metamaterials By Design

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Author : Andrea Alù
language : en
Publisher: Elsevier
Release Date : 2024-04-04

Metamaterials By Design written by Andrea Alù and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-04-04 with Technology & Engineering categories.

Metamaterials-by-Design: Theory, Technologies, and Vision is devoted to a comprehensive review of the latest advancements and current trends in the field of system-level-oriented metamaterial design methods, technologies, and future perspectives. Starting from the theoretical and methodological motivations of this research to macro-scale performance-driven design of volumetric and planar metamaterials, the book introduces advanced task-oriented modeling approaches, including specific reference to their multi-scale/ multi-physics customization in recent metamaterial science and engineering. In the introduction of these concepts, particular attention is paid to the illustration of the physical mechanisms and phenomena at the basis of the field manipulation capabilities enabled by metamaterials. Contributions from industry and academic perspectives on active and passive metamaterial-enhanced devices for communications and sensing are included. The final part of the volume is aimed at providing a perspective regarding the current trends, future research and application tracks in system-performance-driven metamaterial design methodologies and technologies, included potential applications in future reconfigurable and cognitive materials. - Includes comprehensive review of the research developments, methodologies, and opportunities in the field of metamaterials-by-design - Discusses new and emerging applications of metamaterials in microwave and terahertz spectrum, photonics, and optics scenarios - Reviews performance-driven metamaterial design methodologies and technologies in communications and sensing

Metasurface Driven Electronic Warfare

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Author : Rafael Goncalves Licursi de Mello
language : en
Publisher: John Wiley & Sons
Release Date : 2024-12-10

Metasurface Driven Electronic Warfare written by Rafael Goncalves Licursi de Mello and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-12-10 with Science categories.

Understand the metasurface revolution in electronic warfare Electronic warfare (EW) ensures safe usage of the electromagnetic spectrum by one’s own forces while denying it to adversaries. Modern warfare is an extraordinarily fluid and dynamic activity, with numerous involved systems reconfigurable at the front or back ends. Metasurfaces, however, are artificially engineered surfaces that promise to take this dynamism to unprecedented levels by making platforms (aircraft, vessels, etc.) and the environment itself reconfigurable – a revolution that even major EW authorities have yet to fully comprehend. Metasurface-driven Electronic Warfare outlines the parameters of this revolution and its transformative potential in the EW space. Beginning with a historical overview of EW dynamism, it then provides the electromagnetic basics to understand metasurfaces, their operation mechanisms, and capacity for shaping electromagnetic waves. A series of detailed studies of metasurface applications in EW makes this an indispensable guide to an increasingly dynamic battlefield. Readers will also find: Clear cost-benefit analyses of metasurface substitutions in modern EW scenarios Detailed discussion of metasurface applications including stealth, electronic support, electronic attack, electronic protection, their use in drone swarms, smart environments, and more Simulations of EW scenarios with accompanying MATLAB codes and exercises Metasurface-driven Electronic Warfare is ideal for EW analysts, specialists, and operators, as well as signals intelligence and electrical engineering researchers and students. Because it covers the essentials in both areas, the book is also appropriate to support graduate courses on metasurfaces or EW.

Metamaterial Technology And Intelligent Metasurfaces For Wireless Communication Systems

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Author : Mehta, Shilpa
language : en
Publisher: IGI Global
Release Date : 2023-08-18

Metamaterial Technology And Intelligent Metasurfaces For Wireless Communication Systems written by Mehta, Shilpa and has been published by IGI Global this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-08-18 with Technology & Engineering categories.

Metamaterials and metasurfaces are enabling modern 5G/6G wireless systems to achieve high performance while maintaining efficient costs and sizes. In the wireless industry, transmission lines play a fundamental role in the development of guided wave elements, antennas, radio frequency identification (RFID) tags, and sensors whose efficiency may be enhanced using metamaterials. Additionally, a metamaterial absorber can solve the bandwidth issue of the internet of things (IoTs) backhaul network. Metasurfaces are also potential candidates for implementing reconfigurable intelligent surfaces (RISs) due to their special wireless communication capabilities. Metamaterial Technology and Intelligent Metasurfaces for Wireless Communication Systems compiles and promotes metamaterials research and sheds light on how metamaterials and metasurfaces will be used in the 5G era and beyond. Covering topics such as active and passive metamaterials, metasurfaces-inspired antennas, and metamaterials for RFID and sensors, this book is ideal for researchers, students, academicians, and professionals.

Metaheuristic Applications In Structures And Infrastructures

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Author : Xin-She Yang
language : en
Publisher: Newnes
Release Date : 2013-01-31

Metaheuristic Applications In Structures And Infrastructures written by Xin-She Yang and has been published by Newnes this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-01-31 with Technology & Engineering categories.

Due to an ever-decreasing supply in raw materials and stringent constraints on conventional energy sources, demand for lightweight, efficient and low-cost structures has become crucially important in modern engineering design. This requires engineers to search for optimal and robust design options to address design problems that are commonly large in scale and highly nonlinear, making finding solutions challenging. In the past two decades, metaheuristic algorithms have shown promising power, efficiency and versatility in solving these difficult optimization problems. This book examines the latest developments of metaheuristics and their applications in structural engineering, construction engineering and earthquake engineering, offering practical case studies as examples to demonstrate real-world applications. Topics cover a range of areas within engineering, including big bang-big crunch approach, genetic algorithms, genetic programming, harmony search, swarm intelligence and some other metaheuristic methods. Case studies include structural identification, vibration analysis and control, topology optimization, transport infrastructure design, design of reinforced concrete, performance-based design of structures and smart pavement management. With its wide range of everyday problems and solutions, Metaheursitic Applications in Structures and Infrastructures can serve as a supplementary text for design courses and computation in engineering as well as a reference for researchers and engineers in metaheuristics, optimization in civil engineering and computational intelligence. - Review of the latest development of metaheuristics in engineering. - Detailed algorithm descriptions with focus on practical implementation. - Uses practical case studies as examples and applications.

Metamaterial Design And Additive Manufacturing

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Author : Bo Song
language : en
Publisher: Elsevier
Release Date : 2023-04-24

Metamaterial Design And Additive Manufacturing written by Bo Song and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-04-24 with Technology & Engineering categories.

Metamaterial Design and Additive Manufacturing covers optimization design, manufacturing, microstructure, mechanical properties, acoustic properties, mass-transport properties and application examples of PMs fabricated by selective laser melting additive manufacturing technology. The book introduces the definition and concept of pentamode metamaterials and then describes their characterization, including manufacturing fidelity, mechanical response, acoustic properties and so on. Final sections analyze research situations, problems and applications of additive manufacturing pentamode metamaterials. - Covers design and optimization methods of pentamode metamaterials - Describes manufacturing fidelity, microstructure and physical properties of pentamode metamaterials fabricated by AM - Includes recent applications for pentamode metamaterials, along with research situations and potential problems

Metamaterial Analysis And Design

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Author : Habib Ammari
language : en
Publisher: Walter de Gruyter GmbH & Co KG
Release Date : 2023-11-06

Metamaterial Analysis And Design written by Habib Ammari and has been published by Walter de Gruyter GmbH & Co KG this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-11-06 with Mathematics categories.

Metamaterials are advanced composite materials which have exotic and powerful properties. Their complicated microstructures make metamaterials challenging to model, requiring the use of sophisticated mathematical techniques. This book uses a from-first-principles approach (based on boundary integral methods and asymptotic analysis) to study a class of high-contrast metamaterials. These mathematical techniques are applied to the problem of designing graded metamaterials that replicate the function of the cochlea.

Metamaterials

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Author : Tie Jun Cui
language : en
Publisher: Springer Science & Business Media
Release Date : 2009-10-30

Metamaterials written by Tie Jun Cui and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-10-30 with Technology & Engineering categories.

Metamaterials:Theory, Design, and Applications goes beyond left-handed materials (LHM) or negative index materials (NIM) and focuses on recent research activity. Included here is an introduction to optical transformation theory, revealing invisible cloaks, EM concentrators, beam splitters, and new-type antennas, a presentation of general theory on artificial metamaterials composed of periodic structures, coverage of a new rapid design method for inhomogeneous metamaterials, which makes it easier to design a cloak, and new developments including but not limited to experimental verification of invisible cloaks, FDTD simulations of invisible cloaks, the microwave and RF applications of metamaterials, sub-wavelength imaging using anisotropic metamaterials, dynamical metamaterial systems, photonic metamaterials, and magnetic plasmon effects of metamaterials.