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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

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

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.

Adaptive tolerant and efficient composite structures

Adaptive  tolerant and efficient composite structures Book
Author : Martin Wiedemann,Michael Sinapius
Publisher : Springer Science & Business Media
Release : 2012-08-01
ISBN : 3642291902
Language : En, Es, Fr & De

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Book Description :

Composite structures are most efficient in performance and production cost when combined with smart materials making them adaptable to changing operational conditions. The specific production processes of composites offer the possibility to integrate more functions thus making the structure more valuable. Active functions can be realized by smart materials, e.g. morphing, active vibration control, active structure acoustic control or structure health monitoring. The foundation is a sound understanding of materials, design methods, design principles, production technologies and adaptronics. Along the complete process chain this disciplines together deliver advanced lightweight solutions for applications ranging from mechanical engineering to vehicles, airframe and finally space structures. This book provides the scientific foundations as well as inspiring new ideas for engineers working in the field of composite lightweight structures.

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.

Advances on Analysis and Control of Vibrations

Advances on Analysis and Control of Vibrations Book
Author : Mauricio Zapateiro,Francesc Pozo
Publisher : BoD – Books on Demand
Release : 2012-09-05
ISBN : 9535106996
Language : En, Es, Fr & De

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Book Description :

Vibration is a phenomenon that we can perceive in many systems. Their effects are as diverse as the personal discomfort that can produce the unevenness of a road or the collapse of a building or a bridge during an earthquake. This book is a compendium of research works on vibration analysis and control. It goes through new methodologies that help us understand and mitigate this phenomenon. This book is divided into two sections. The first one is devoted to new advances on vibration analysis while the second part is a series of case studies that illustrate novel techniques on vibration control. The applications are varied and include areas such as vehicle suspension systems, wind turbines and civil engineering structures.

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.

Dynamic Methods for Damage Detection in Structures

Dynamic Methods for Damage Detection in Structures Book
Author : Antonino Morassi,Fabrizio Vestroni
Publisher : Springer Science & Business Media
Release : 2008-12-11
ISBN : 3211787771
Language : En, Es, Fr & De

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Book Description :

Non destructive testing aimed at monitoring, structural identification and di- nostics is of strategic importance in many branches of civil and mechanical - gineering. This type of tests is widely practiced and directly affects topical issues regarding the design of new buildings and the repair and monitoring of existing ones. The load bearing capacity of a structure can now be evaluated using well established mechanical modelling methods aided by computing facilities of great capability. However, to ensure reliable results, models must be calibrated with - curate information on the characteristics of materials and structural components. To this end, non destructive techniques are a useful tool from several points of view. Particularly, by measuring structural response, they provide guidance on the validation of structural descriptions or of the mathematical models of material behaviour. Diagnostic engineering is a crucial area for the application of non destructive testing methods. Repeated tests over time can indicate the emergence of p- sible damage occurring during the structure's lifetime and provide quantitative estimates of the level of residual safety.

Dynamics and Control of Structures

Dynamics and Control of Structures Book
Author : Leonard Meirovitch
Publisher : John Wiley & Sons
Release : 1990-04-11
ISBN : 9780471628583
Language : En, Es, Fr & De

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Book Description :

A text/reference on analysis of structures that deform in use. Presents a new, integrated approach to analytical dynamics, structural dynamics and control theory and goes beyond classical dynamics of rigid bodies to incorporate analysis of flexibility of structures. Includes real-world examples of applications such as robotics, precision machinery and aircraft structures.

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.

Advances in Composite Materials

Advances in Composite Materials Book
Author : Pavla Tesinova
Publisher : BoD – Books on Demand
Release : 2011-09-09
ISBN : 9533074493
Language : En, Es, Fr & De

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Book Description :

Composites are made up of constituent materials with high engineering potential. This potential is wide as wide is the variation of materials and structure constructions when new updates are invented every day. Technological advances in composite field are included in the equipment surrounding us daily; our lives are becoming safer, hand in hand with economical and ecological advantages. This book collects original studies concerning composite materials, their properties and testing from various points of view. Chapters are divided into groups according to their main aim. Material properties are described in innovative way either for standard components as glass, epoxy, carbon, etc. or biomaterials and natural sources materials as ramie, bone, wood, etc. Manufacturing processes are represented by moulding methods; lamination process includes monitoring during process. Innovative testing procedures are described in electrochemistry, pulse velocity, fracture toughness in macro-micro mechanical behaviour and more.

Nonlinear Mechanics of Shells and Plates in Composite Soft and Biological Materials

Nonlinear Mechanics of Shells and Plates in Composite  Soft and Biological Materials Book
Author : Marco Amabili
Publisher : Cambridge University Press
Release : 2018-11
ISBN : 1107129222
Language : En, Es, Fr & De

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Book Description :

This book guides the reader into the modelling of shell structures in applications where advanced composite materials or complex biological materials must be described with great accuracy. A valuable resource for researchers, professionals and graduate students, it presents a variety of practical concepts, diagrams and numerical results.

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.

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.

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.

Design and Modeling of Mechanical Systems

Design and Modeling of Mechanical Systems Book
Author : Mohamed Haddar,Lotfi Romdhane,Jamel Louati,Abdelmajid Ben Amara
Publisher : Springer Science & Business Media
Release : 2013-03-12
ISBN : 3642371434
Language : En, Es, Fr & De

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Book Description :

The 5th International Congress on Design and Modeling of Mechanical Systems (CMSM) was held in Djerba, Tunisia on March 25-27, 2013 and followed four previous successful editions, which brought together international experts in the fields of design and modeling of mechanical systems, thus contributing to the exchange of information and skills and leading to a considerable progress in research among the participating teams. The fifth edition of the congress (CMSM ́2013), organized by the Unit of Mechanics, Modeling and Manufacturing (U2MP) of the National School of Engineers of Sfax, Tunisia, the Mechanical Engineering Laboratory (MBL) of the National School of Engineers of Monastir, Tunisia and the Mechanics Laboratory of Sousse (LMS) of the National School of Engineers of Sousse, Tunisia, saw a significant increase of the international participation. This edition brought together nearly 300 attendees who exposed their work on the following topics: mechatronics and robotics, dynamics of mechanical systems, fluid structure interaction and vibroacoustics, modeling and analysis of materials and structures, design and manufacturing of mechanical systems. This book is the proceedings of CMSM ́2013 and contains a careful selection of high quality contributions, which were exposed during various sessions of the congress. The original articles presented here provide an overview of recent research advancements accomplished in the field mechanical engineering.

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.