carbon nanotubes and nanosensors vibration buckling and balistic impact

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Carbon Nanotubes And Nanosensors

Author : Isaac Elishakoff
ISBN : 9781118565889
Genre : Technology & Engineering
File Size : 83. 61 MB
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The main properties that make carbon nanotubes (CNTs) a promising technology for many future applications are: extremely high strength, low mass density, linear elastic behavior, almost perfect geometrical structure, and nanometer scale structure. Also, CNTs can conduct electricity better than copper and transmit heat better than diamonds. Therefore, they are bound to find a wide, and possibly revolutionary use in all fields of engineering. The interest in CNTs and their potential use in a wide range of commercial applications; such as nanoelectronics, quantum wire interconnects, field emission devices, composites, chemical sensors, biosensors, detectors, etc.; have rapidly increased in the last two decades. However, the performance of any CNT-based nanostructure is dependent on the mechanical properties of constituent CNTs. Therefore, it is crucial to know the mechanical behavior of individual CNTs such as their vibration frequencies, buckling loads, and deformations under different loadings. This title is dedicated to the vibration, buckling and impact behavior of CNTs, along with theory for carbon nanosensors, like the Bubnov-Galerkin and the Petrov-Galerkin methods, the Bresse-Timoshenko and the Donnell shell theory.

The Rayleigh Ritz Method For Structural Analysis

Author : Sinniah Ilanko
ISBN : 9781118984420
Genre : Science
File Size : 84. 86 MB
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A presentation of the theory behind the Rayleigh-Ritz (R-R) method, as well as a discussion of the choice of admissible functions and the use of penalty methods, including recent developments such as using negative inertia and bi-penalty terms. While presenting the mathematical basis of the R-R method, the authors also give simple explanations and analogies to make it easier to understand. Examples include calculation of natural frequencies and critical loads of structures and structural components, such as beams, plates, shells and solids. MATLAB codes for some common problems are also supplied.

Nanodevices And Nanomaterials For Ecological Security

Author : Yuri N. Shunin
ISBN : 9789400741195
Genre : Science
File Size : 80. 1 MB
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This book is devoted to a wide range of problems concerning applications of nanomaterials and nanodevices as effective solutions to modern ecological problems. Leading experts in nanoscience and nanotechnology present the key theoretical, experimental and implementation issues related to the creation and utilization of novel nanoscale devices to help ensure ecological security. The authors discuss appropriate nanotechnologies for minimizing various types of risk: to human life, technogenic risk, or indeed terrorist threats. Particular emphasis is placed on defining and studying the required materials properties, and – in the field – on nanoscale devices for sensors and monitoring.

Reinforced Concrete Beams Columns And Frames

Author : Charles Casandjian
ISBN : 9781118639467
Genre : Science
File Size : 59. 90 MB
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This book is focused on the theoretical and practical design of reinforced concrete beams, columns and frame structures. It is based on an analytical approach of designing normal reinforced concrete structural elements that are compatible with most international design rules, including for instance the European design rules – Eurocode 2 – for reinforced concrete structures. The book tries to distinguish between what belongs to the structural design philosophy of such structural elements (related to strength of materials arguments) and what belongs to the design rule aspects associated with specific characteristic data (for the material or loading parameters). Reinforced Concrete Beams, Columns and Frames – Mechanics and Design deals with the fundamental aspects of the mechanics and design of reinforced concrete in general, both related to the Serviceability Limit State (SLS) and the Ultimate Limit State (ULS). A second book, entitled Reinforced Concrete Beams, Columns and Frames – Section and Slender Member Analysis, deals with more advanced ULS aspects, along with instability and second-order analysis aspects. Some recent research results including the use of non-local mechanics are also presented. This book is aimed at Masters-level students, engineers, researchers and teachers in the field of reinforced concrete design. Most of the books in this area are very practical or code-oriented, whereas this book is more theoretically based, using rigorous mathematics and mechanics tools. Contents 1. Design at Serviceability Limit State (SLS). 2. Verification at Serviceability Limit State (SLS). 3. Concepts for the Design at Ultimate Limit State (ULS). 4. Bending-Curvature at Ultimate Limit State (ULS). Appendix 1. Cardano’s Method. Appendix 2. Steel Reinforcement Table. About the Authors Charles Casandjian was formerly Associate Professor at INSA (French National Institute of Applied Sciences), Rennes, France and the chairman of the course on reinforced concrete design. He has published work on the mechanics of concrete and is also involved in creating a web experience for teaching reinforced concrete design – BA-CORTEX. Noël Challamel is Professor in Civil Engineering at UBS, University of South Brittany in France and chairman of the EMI-ASCE Stability committee. His contributions mainly concern the dynamics, stability and inelastic behavior of structural components, with special emphasis on Continuum Damage Mechanics (more than 70 publications in International peer-reviewed journals). Christophe Lanos is Professor in Civil Engineering at the University of Rennes 1 in France. He has mainly published work on the mechanics of concrete, as well as other related subjects. He is also involved in creating a web experience for teaching reinforced concrete design – BA-CORTEX. Jostein Hellesland has been Professor of Structural Mechanics at the University of Oslo, Norway since January 1988. His contribution to the field of stability has been recognized and magnified by many high-quality papers in famous international journals such as Engineering Structures, Thin-Walled Structures, Journal of Constructional Steel Research and Journal of Structural Engineering.

Nanotechnology For Dummies

Author : Earl Boysen
ISBN : 9781118136881
Genre : Technology & Engineering
File Size : 81. 30 MB
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The bestselling introductory guide on nanotechnology?now revised and updated The world of nanotechnology is ever changing and evolving; this fun and friendly guide demystifies the topic for anyone interested in how molecule-sized machines and processes affect our everyday lives. The authors begin with explaining the background of nanotechnology and then examine industries that are affected by this technology. Aiming to educate and simultaneously dispel common myths, the book explores the many nanotechnology-enabled consumer products available on the market today, ranging from socks to face lotion to jet skis to floor cleaners, to name a few. Serves as a fun and friendly introduction to the fascinating topic of nanotechnology Discusses the various issues involving nanotechnology in the areas of environment, medicine, defense, and others Provides real-world examples of everyday nanotechnology use such as floor cleaners, flash memory drives, face lotion, computer processors, and more Written in the accessible, humorous For Dummies style, Nanotechnology For Dummies, 2nd Edition provides an easy-to-understand overview of nanotechnology and its real-world implementation.

Biomimetics

Author : Yoseph Bar-Cohen
ISBN : 9781420037715
Genre : Technology & Engineering
File Size : 64. 37 MB
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Nature is the world's foremost designer. With billions of years of experience and boasting the most extensive laboratory available, it conducts research in every branch of engineering and science. Nature's designs and capabilities have always inspired technology, from the use of tongs and tweezers to genetic algorithms and autonomous legged robots. Taking a systems perspective rather than focusing narrowly on materials or chemistry aspects, Biomimetics: Biologically Inspired Technologies examines the field from every angle. The book contains pioneering approaches to biomimetics including a new perspective on the mechanization of cognition and intelligence, as well as defense and attack strategies in nature, their applications, and potential. It surveys the field from modeling to applications and from nano- to macro-scales, beginning with an introduction to principles of using biology to inspire designs as well as biological mechanisms as models for technology. This innovative guide discusses evolutionary robotics; genetic algorithms; molecular machines; multifunctional, biological-, and nano- materials; nastic structures inspired by plants; and functional surfaces in biology. Looking inward at biological systems, the book covers the topics of biomimetic materials, structures, control, cognition, artificial muscles, biosensors that mimic senses, artificial organs, and interfaces between engineered and biological systems. The final chapter contemplates the future of the field and outlines the challenges ahead. Featuring extensive illustrations, including a 32-page full-color insert, Biomimetics: Biologically Inspired Technologies provides unmatched breadth of scope as well as lucid illumination of this promising field.

Graphene

Author : C. N. R. Rao
ISBN : 9783527651146
Genre : Science
File Size : 32. 51 MB
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Since its discovery in 2004, graphene has been a great sensation due to its unique structure and unusual properties, and it has only taken 6 years for a Noble Prize to be awarded for the field of graphene research. This monograph gives a well-balanced overview on all areas of scientific interest surrounding this fascinating nanocarbon. In one handy volume it offers comprehensive coverage of the topic, including chemical, materials science, nanoscience, physics, engineering, life science, and potential applications. Other graphene-like, inorganic layered materials are also discussed. Edited by two highly honored scientists, this is an invaluable companion for inorganic, organic, and physical chemists, materials scientists, and physicists. From the Contents: * Synthesis, Characterization, and Selected Properties of Graphene * Understanding Graphene via Raman Scattering * Physics of Quanta and Quantum Fields in Graphene * Graphene and Graphene-Oxide-Based Materials for Electrochemical Energy Systems * Heterogeneous Catalysis by Metal Nanoparticles supported on Graphene * Graphenes in Supramolecular Gels and in Biological Systems and many more

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