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Vibration And Acoustics Of Composite Structures

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Vibration and Acoustics of Composite Structures

Vibration and Acoustics of Composite Structures Book
Author : Guang Meng,Yegao Qu
Publisher : Elsevier
Release : 2022-03-15
ISBN : 9780128203507
Language : En, Es, Fr & De

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Book Description :

Vibration and Acoustics of Composite Structures presents recent advances on the vibration and acoustics of elastic composite structures. It guides the reader into structural modelling and fluid-structure interactions of elastic structures made from fibre-reinforced, sandwich and functionally graded materials. To achieve this goal, the book presents a series of generalized higher-order shear deformable theories for composite straight/curved beams, plates and shells, which is not available in any other book. The book also provides originally proposed frequency and time-domain methods for structural-acoustic analyses of composite structures immersed in light and heavy acoustic fluid. We have attempted explicit and detailed accounting for the physical phenomena treated in the book, as well as their modelling, and the formulation and solution of the mathematical models. Many numerical examples are given to aid physical insight and to provide benchmark computations of vibration and sound radiation of composite structures. The book should be a useful source of information for those scientists who need to develop skills in theoretical and/or numerical modelling in dynamics and acoustics of elastic structures. It will also serve as a profitable source of material for scientists whose research interests lie elsewhere in mechanics and materials. Includes new, general higher-order shear deformation zig-zag theories for composite beams, plates and shells, and the traditional structural theories can be treated as special cases of the zig-zag theories Includes modified variational formulation for vibration analysis of composite beams, plates and shells made of fibre-reinforced and functionally graded materials Covers frequency and time domain methods for structural-acoustic analysis of composite structures immersed in unbounded light and heavy acoustic fluid

Stability and Vibrations of Thin Walled Composite Structures

Stability and Vibrations of Thin Walled Composite Structures Book
Author : Haim Abramovich
Publisher : Woodhead Publishing
Release : 2017-05-29
ISBN : 008100429X
Language : En, Es, Fr & De

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Book Description :

Stability and Vibrations of Thin-Walled Composite Structures presents engineering and academic knowledge on the stability (buckling and post buckling) and vibrations of thin walled composite structures like columns, plates, and stringer stiffened plates and shells, which form the basic structures of the aeronautical and space sectors. Currently, this knowledge is dispersed in several books and manuscripts, covering all aspects of composite materials. The book enables both engineers and academics to locate valuable, up-to-date knowledge on buckling and vibrations, be it analytical or experimental, and use it for calculations or comparisons. The book is also useful as a textbook for advanced-level graduate courses. Presents a unified, systematic, detailed and comprehensive overview of the topic Contains contributions from leading experts in the field Includes a dedicated section on testing and experimental results

Vibration and Structural Acoustics Analysis

Vibration and Structural Acoustics Analysis Book
Author : C.M.A. Vasques,J. Dias Rodrigues
Publisher : Springer Science & Business Media
Release : 2011-08-10
ISBN : 9789400717039
Language : En, Es, Fr & De

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Book Description :

Vibration and structural acoustics analysis has become an essential requirement for high-quality structural and mechanical design in order to assure acoustic comfort and the integrity, reliability and fail-safe behavior of structures and machines. The underlying technologies of this field of multidisciplinary research are evolving very fast and their dissemination is usually scattered over different and complementary scientific and technical publication means. In order to make it easy for developers and technology end-users to follow the latest developments and news in the field, this book collects into a single volume selected, extended, updated and revised versions of papers presented at the Symposium on Vibration and Structural Acoustics Analysis, coordinated by J. Dias Rodrigues and C. M. A. Vasques, which was organised as part of the 3rd International Conference on Integrity, Reliability & Failure (IRF’2009), co-chaired by J. F. Silva Gomes and Shaker A. Meguid, held at the Faculty of Engineering of the University of Porto, Portugal, 20-24 July 2009. These papers where chosen from the more than 60 papers presented at the conference symposium. Written by experienced practitioners and researchers in the field, this book brings together recent developments in the field, spanning across a broad range of themes: vibration analysis, analytical and computational structural acoustics and vibration, material systems and technologies for noise and vibration control, vibration-based structural health monitoring/evaluation, machinery noise/vibration and diagnostics, experimental testing in vibration and structural acoustics, applications and case studies in structural acoustics and vibration. Each chapter presents and describes the state of the art, presents current research results and discusses the need for future developments in a particular aspect of vibration and structural acoustics analysis. The book is envisaged to be an appealing text for newcomers to the subject and a useful research study tool for advanced students and faculty members. Practitioners and researchers may also find this book a one-stop reference that addresses current and future challenges in this field. The variety of case studies is expected to stimulate a holistic view of sound and vibration and related fields and to appeal to a broad spectrum of engineers such as the ones in the mechanical, aeronautical, aerospace, civil and electrical communities.

Random Vibration and Reliability of Composite Structures

Random Vibration and Reliability of Composite Structures Book
Author : Jacob Aboudi,Gabriel Cederbaum,Isaac Elishakoff,Liviu Librescu
Publisher : CRC Press
Release : 1992-02-06
ISBN : 9780877628651
Language : En, Es, Fr & De

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Book Description :

In many applications composite structures are subjected to vibration which strongly influences service performance and life. This is the first systematic pre- sentation of the problems of and analytical techniques for random vibration and its effect on different types of composite structures.

Modeling and Estimation of Structural Damage

Modeling and Estimation of Structural Damage Book
Author : Jonathan M. Nichols,Kevin D. Murphy
Publisher : John Wiley & Sons
Release : 2016-01-08
ISBN : 1118776933
Language : En, Es, Fr & De

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Book Description :

Modelling and Estimation of Damage in Structures is a comprehensiveguide to solving the type of modelling and estimation problems associated with the physics of structural damage. Provides a model-based approach to damage identification Presents an in-depth treatment of probability theory and random processes Covers both theory and algorithms for implementing maximum likelihood and Bayesian estimation approaches Includes experimental examples of all detection and identification approaches Provides a clear means by which acquired data can be used to make decisions regarding maintenance and usage of a structure

Materials and Computational Mechanics

Materials and Computational Mechanics Book
Author : Hui Xuan Zhang,Ye Han,Fu Xiao Chen,Jiu Ba Wen
Publisher : Trans Tech Publications Ltd
Release : 2011-10-24
ISBN : 3038137138
Language : En, Es, Fr & De

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Book Description :

Volume is indexed by Thomson Reuters CPCI-S (WoS). This collection of peer-reviewed papers describes the latest advances in, and applications of: basic mechanics and research methods, dynamics and vibration, solid mechanics, fluid mechanics and thermodynamics, biomechanics and environmental mechanics, new materials and advanced materials, functional materials, materials processing technology, welding and mechanical connections, fracture, etc. the work is thus a usefully up-to-date guide to these topics.

Structural Vibration and Acoustics

Structural Vibration and Acoustics Book
Author : T. S. Sankar
Publisher : Unknown
Release : 1989
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Structural Vibration and Acoustics book written by T. S. Sankar, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Advances in Acoustics and Vibration

Advances in Acoustics and Vibration Book
Author : Tahar Fakhfakh,Fakher Chaari,Lasaad Walha,Moez Abdennadher,Mohamed Slim Abbes,Mohamed Haddar
Publisher : Springer
Release : 2016-09-01
ISBN : 3319414593
Language : En, Es, Fr & De

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Book Description :

The book provides readers with a snapshot of recent research and industrial trends in field of industrial acoustics and vibration. Each chapter, accepted after a rigorous peer-review process, reports on a selected, original piece of work presented and discussed at International Conference on Acoustics and Vibration (ICAV2016), which was organized by the Tunisian Association of Industrial Acoustics and Vibration (ATAVI) and held March 21-23, in Hammamet, Tunisia. The contributions, mainly written by north African authors, covers advances in both theory and practice in a variety of subfields, such as: smart materials and structures; fluid-structure interaction; structural acoustics as well as computational vibro-acoustics and numerical methods. Further topics include: engines control, noise identification, robust design, flow-induced vibration and many others.This book provides a valuable resource for both academics and professionals dealing with diverse issues in applied mechanics. By combining advanced theories with industrial issues, it is expected to facilitate communication and collaboration between different groups of researchers and technology users.

Vibro Acoustics of Lightweight Sandwich Structures

Vibro Acoustics of Lightweight Sandwich Structures Book
Author : Tianjian Lu,Fengxian Xin
Publisher : Springer
Release : 2014-07-08
ISBN : 3642553583
Language : En, Es, Fr & De

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Book Description :

Vibro-Acoustics of Lightweight Sandwich Structures introduces the study of the coupled vibration and acoustic behavior of lightweight sandwich structures in response to harmonic force and sound pressure. This book focuses on the theoretical modeling and experimental investigation of lightweight sandwich structures in order to provide a predictive framework for vibro-acoustic characteristics of typical engineering structures. Furthermore, by developing solution tools, it concentrates on the influence of key systematic parameters leading to effective guidance for optimal structure design toward lightweight, high-stiffness and superior sound insulation capability. This book is intended for researchers, scientists, engineers and graduate students in mechanical engineering especially in structural mechanics, mechanics and acoustics. Fengxian Xin and Tianjian Lu both work at the School of Aerospace, Xi’an Jiaotong University.

Spectral Finite Element Method

Spectral Finite Element Method Book
Author : Srinivasan Gopalakrishnan,Abir Chakraborty,Debiprosad Roy Mahapatra
Publisher : Springer Science & Business Media
Release : 2007-12-05
ISBN : 1846283566
Language : En, Es, Fr & De

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Book Description :

This book is the first to apply the Spectral Finite Element Method (SFEM) to inhomogeneous and anisotropic structures in a unified and systematic manner. Readers will gain understanding of how to formulate Spectral Finite Element; learn about wave behaviour in inhomogeneous and anisotropic media; and, be able to design some diagnostic tools for monitoring the health of a structure. Tables, figures and graphs support the theory and case studies are included.

ICCS20 20th International Conference on Composite Structures

ICCS20   20th International Conference on Composite Structures Book
Author : Nicholas Fantuzzi
Publisher : Società Editrice Esculapio
Release : 2017-07-24
ISBN : 8893850419
Language : En, Es, Fr & De

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Book Description :

Composite materials have aroused a great interest over the last few decades, as proven by the huge number of scientific papers and industrial progress. The increase in the use of composite structures in different engineering practices justify the present international meeting where researches from every part of the globe can share and discuss the recent advancements regarding the use of structural components within advanced applications such as buckling, vibrations, repair, reinforcements, concrete, composite laminated materials and more recent metamaterials. Studies about composite structures are truly multidisciplinary and the given contributions can help other researches and professional engineers in their own field. This Conference is suitable as a reference for engineers and scientists working in the professional field, in the industry and the academia and it gives the possibility to share recent advancements in different engineering practices to the outside world. This book aims to collect selected plenary and key-note lectures of this International Conference. For this reason, the establishment of this 20th edition of International Conference on Composite Structures has appeared appropriate to continue what has been begun during the previous editions. ICCS wants to be an occasion for many researchers from each part of the globe to meet and discuss about the recent advancements regarding the use of composite structures, sandwich panels, nanotechnology, bio-composites, delamination and fracture, experimental methods, manufacturing and other countless topics that have filled many sessions during this conference. As a proof of this event, which has taken place in Paris (France), selected plenary and key-note lectures have been collected in the present book.

Structural Analysis of Composite Wind Turbine Blades

Structural Analysis of Composite Wind Turbine Blades Book
Author : Dimitris I Chortis
Publisher : Springer Science & Business Media
Release : 2013-06-29
ISBN : 3319008641
Language : En, Es, Fr & De

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Book Description :

This book concerns the development of novel finite elements for the structural analysis of composite beams and blades. The introduction of material damping is also an important aspect of composite structures and it is presented here in terms of their static and dynamic behavior. The book thoroughly presents a new shear beam finite element, which entails new blade section mechanics, capable of predicting structural blade coupling due to composite coupling and/or internal section geometry. Theoretical background is further expanded towards the inclusion of nonlinear structural blade models and damping mechanics for composite structures. The models effectively include geometrically nonlinear terms due to large displacements and rotations, improve the modeling accuracy of very large flexible blades, and enable the modeling of rotational stiffening and buckling, as well as, nonlinear structural coupling. Validation simulations on specimen level study the geometric nonlinearities effect on the modal frequencies and damping values of composite strips of various angle-ply laminations under either tensile or buckling loading. A series of correlation cases between numerical predictions and experimental measurements give credence to the developed nonlinear beam finite element models and underline the essential role of new nonlinear damping and stiffness terms.

Structural Health Monitoring

Structural Health Monitoring Book
Author : Ranjan Ganguli
Publisher : Springer Nature
Release : 2020-05-14
ISBN : 9811549885
Language : En, Es, Fr & De

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Book Description :

This book discusses systems of damage detection and structural health monitoring in mechanical, civil, and aerospace structures. It utilizes principles of fuzzy logic, probability theory, and signal processing to develop systems and approaches that are robust in the presence of both noise in the data and variations in properties of materials which are intrinsic to the process of mass production. This volume will be useful to graduate students, researchers, and engineers working in this area, especially those looking to understand and address model uncertainty in their algorithms.

Structural Acoustics

Structural Acoustics Book
Author : Joshua E. Greenspon
Publisher : CRC Press
Release : 2016-04-19
ISBN : 1439830940
Language : En, Es, Fr & De

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Book Description :

From jet engine noise that generates vibrations in the structure of an aircraft, to the sound radiation from the hull of a ship or submarine that makes it identifiable, an understanding of structural acoustics is key in the design process in maritime, automotive, aerospace, and architectural engineering. Building on classic works in the field, Structural Acoustics: Deterministic and Random Phenomena presents fundamental concepts, relations, and simplified methods for calculating complex problems associated with vibrations and noise issues of automobiles, ships, submarines, and aircraft. This practical reference studies the response of structures and media that are coupled with a fluid and are under static, dynamic, and random loading. Simplified solutions to complicated problems Starting with a review of the fundamentals of acoustics and structural acoustics, the book discusses the response of the beams, plates, and shells that compose most built-up structures before providing methods for solving problems of built-up systems, including a procedure for computing the response of an elastic or viscoelastic media without resorting to a large computer program. Building on this analysis, the second section develops the analysis for random loading, which can also be applied to geophysical phenomena and viscoelastic media. Proceeding from the fundamental aspects of simple structures to more complicated cases with more involved loading, the book presents formulas and applications for random loading. By providing a fundamental understanding of sound radiation in air and water, this book shows readers how to solve structural and acoustical problems. An important reference for those working in the area of acoustics and vibration analysis, it also includes computer programs for acoustical analysis available at www.crcpress.com.

Composite Materials Technology

Composite Materials Technology Book
Author : S.M. Sapuan,Iqbal Mohammed Mujtaba
Publisher : CRC Press
Release : 2009-12-23
ISBN : 9781420093339
Language : En, Es, Fr & De

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Book Description :

Artificial neural networks (ANN) can provide new insight into the study of composite materials and can normally be combined with other artificial intelligence tools such as expert system, genetic algorithm, and fuzzy logic. Because research on this field is very new, there is only a limited amount of published literature on the subject. Compiling information from diverse sources, Composite Materials Technology: Neural Network Applications fills the void in knowledge of these important networks, covering composite mechanics, materials characterization, product design, and other important aspects of polymer matrix composites. Light weight, corrosion resistance, good stiffness and strength properties, and part consolidation are just some of the reasons that composites are useful in areas including civil engineering and structure, chemical processing, management, agriculture, space study, and manufacturing. ANN has already been used to carry out design prediction, mechanical property prediction, and selection processes in the evolution of composites, but although it has already been used with great success in various branches of scientific and technological research, it is still in the nascent stage of its development. Featuring contributions from leading researchers throughout the world, this book is divided into four parts, starting with an introduction to neural networks and a review of existing literature on the subject. The text then covers structural health monitoring and damage detection in composites, addresses mechanical properties, and discusses design, analysis, and materials selection. Training, testing, and validation of experimental data were carried out to optimize the results presented in the book. This book will be an important aid to researchers as they work on the future implementation of ANN in industries such as aerospace, automotive, marine, sporting goods, furniture, and electronics and communication.

Multidisciplinary Tailoring of Hot Composite Structures

Multidisciplinary Tailoring of Hot Composite Structures Book
Author : Surendra N. Singhal
Publisher : Unknown
Release : 1993
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Multidisciplinary Tailoring of Hot Composite Structures book written by Surendra N. Singhal, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Sound and Structural Vibration

Sound and Structural Vibration Book
Author : Frank J. Fahy,Paolo Gardonio
Publisher : Elsevier
Release : 2007-01-12
ISBN : 0080471102
Language : En, Es, Fr & De

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Book Description :

The first edition of Sound and Structural Vibration was written in the early 1980s. Since then, two major developments have taken place in the field of vibroacoustics. Powerful computational methods and procedures for the numerical analysis of structural vibration, acoustical fields and acoustical interactions between fluids and structures have been developed and these are now universally employed by researchers, consultants and industrial organisations. Advances in signal processing systems and algorithms, in transducers, and in structural materials and forms of construction, have facilitated the development of practical means of applying active and adaptive control systems to structures for the purposes of reducing or modifying structural vibration and the associated sound radiation and transmission. In this greatly expanded and extensively revised edition, the authors have retained most of the analytically based material that forms the pedagogical content of the first edition, and have expanded it to present the theoretical foundations of modern numerical analysis. Application of the latter is illustrated by examples that have been chosen to complement the analytical approaches to solving fairly simple problems of sound radiation, transmission and fluid-structural coupling that are presented in the first edition. The number of examples of experimental data that relate to the theoretical content, and illustrate important features of vibroacoustic interaction, has been augmented by the inclusion of a selection from the vast amount of material published during the past twenty five years. The final chapter on the active control of sound and vibration has no precursor in the first edition. * Covers theoretical approaches to modeling and analysis * Highly applicable to challenges in industry and academia * For engineering students to use throughout their career

Optimum Composite Structures

Optimum Composite Structures Book
Author : Karam Maalawi
Publisher : BoD – Books on Demand
Release : 2019-01-30
ISBN : 1789850673
Language : En, Es, Fr & De

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Book Description :

The subject of optimum composite structures is a rapidly evolving field and intensive research and development have taken place in the last few decades. Therefore, this book aims to provide an up-to-date comprehensive overview of the current status in this field to the research community. The contributing authors combine structural analysis, design and optimization basis of composites with a description of the implemented mathematical approaches. Within this framework, each author has dealt with the individual subject as he/she thought appropriate. Each chapter offers detailed information on the related subject of its research with the main objectives of the works carried out as well as providing a comprehensive list of references that should provide a rich platform of research to the field of optimum composite structures.

Advanced Composites

Advanced Composites Book
Author : Viktor Gribniak
Publisher : MDPI
Release : 2021-06-02
ISBN : 3036507248
Language : En, Es, Fr & De

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Book Description :

Engineering practice has revealed that innovative technologies’ structural applications require new design concepts related to developing materials with mechanical properties tailored for construction purposes. This would allow the efficient use of engineering materials. The efficiency can be understood in a simplified and heuristic manner as the optimization of performance and the proper combination of structural components, leading to the consumption of the least amount of natural resources. The solution to the eco-optimization problem, based on the adequate characterization of the materials, will enable implementing environmentally friendly engineering principles when the efficient use of advanced materials guarantees the required structural safety. Identifying fundamental relationships between the structure of advanced composites and their physical properties is the focus of this book. The collected articles explore the development of sustainable composites with valorized manufacturability corresponding to Industrial Revolution 4.0 ideology. The publications, amongst others, reveal that the application of nano-particles improves the mechanical performance of composite materials; heat-resistant aluminium composites ensure the safety of overhead power transmission lines; chemical additives can detect the impact of temperature on concrete structures. This book demonstrates that construction materials’ choice has considerable room for improvement from a scientific viewpoint, following heuristic approaches.

Spectral Element Method in Structural Dynamics

Spectral Element Method in Structural Dynamics Book
Author : Usik Lee
Publisher : John Wiley & Sons
Release : 2009-07-31
ISBN : 9780470823750
Language : En, Es, Fr & De

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Book Description :

Spectral Element Method in Structural Dynamics is a concise and timely introduction to the spectral element method (SEM) as a means of solving problems in structural dynamics, wave propagations, and other related fields. The book consists of three key sections. In the first part, background knowledge is set up for the readers by reviewing previous work in the area and by providing the fundamentals for the spectral analysis of signals. In the second part, the theory of spectral element method is provided, focusing on how to formulate spectral element models and how to conduct spectral element analysis to obtain the dynamic responses in both frequency- and time-domains. In the last part, the applications of SEM to various structural dynamics problems are introduced, including beams, plates, pipelines, axially moving structures, rotor systems, multi-layered structures, smart structures, composite laminated structures, periodic lattice structures, blood flow, structural boundaries, joints, structural damage, and impact forces identifications, as well as the SEM-FEM hybrid method. Presents all aspects of SEM in one volume, both theory and applications Helps students and professionals master associated theories, modeling processes, and analysis methods Demonstrates where and how to apply SEM in practice Introduces real-world examples across a variety of structures Shows how models can be used to evaluate the accuracy of other solution methods Cross-checks against solutions obtained by conventional FEM and other solution methods Comes with downloadable code examples for independent practice Spectral Element Method in Structural Dynamics can be used by graduate students of aeronautical, civil, naval architectures, mechanical, structural and biomechanical engineering. Researchers in universities, technical institutes, and industries will also find the book to be a helpful reference highlighting SEM applications to various engineering problems in areas of structural dynamics, wave propagations, and other related subjects. The book can also be used by students, professors, and researchers who want to learn more efficient and more accurate computational methods useful for their research topics from all areas of engineering, science and mathematics, including the areas of computational mechanics and numerical methods.