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Author : James A. Burke
Publisher :
ISBN 13 :
Total Pages : 32 pages
Book Rating : 4.:/5 (256 download)
Download or read book An Analysis of Free Wave Propagation in a Thin Cylindrical Shell written by James A. Burke and published by . This book was released on 1992 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : William R. Spillers
Publisher :
ISBN 13 :
Total Pages : 31 pages
Book Rating : 4.:/5 (227 download)
Download or read book Wave Propagation in a Thin Cylindrical Shell written by William R. Spillers and published by . This book was released on 1963 with total page 31 pages. Available in PDF, EPUB and Kindle. Book excerpt: A solution is presented for a semi-infinite cylindrical (Timoshenko type) shell subjected to dynamic loading at one end using the method of characteristics. Explicit results are obtained for the propagation of discontinuities. These results are combined with a simple numerical procedure to obtain the solution in all regions. Numerical examples are given for an elastic and a viscoelastic material and comparisons are made to previous results concerning wave propagation in shells. (Author).
Author : American Society of Mechanical Engineers. Winter Annual Meeting
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (139 download)
Download or read book Elastic Wave Propagation from Point Excitations on Thin-walled Cylindrical Shells written by American Society of Mechanical Engineers. Winter Annual Meeting and published by . This book was released on 1989 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The circular cylindrical shell is described by equations that govern wave propagation in a two-dimensional homogeneous, but anisotropic and dispersive, medium. The idealization of an unbounded medium is applicable if the source is replaced by a periodic array of forces, the repetition distance being the cylinder circumference. Analytical expressions and calculations are presented for wavefront patterns, amplitude distributions, polarizations, and phase velocities for waves on the cylinder surface. The analysis includes all three possible directions of the exciting force and gives fundamental results that can be superimposed to predict vibration fields resulting from arbitrary excitations.
Author : Edward Morris Frymoyer
Publisher :
ISBN 13 :
Total Pages : 225 pages
Book Rating : 4.:/5 (227 download)
Download or read book Vibration and Wave Propagation in Cylindrical Shells written by Edward Morris Frymoyer and published by . This book was released on 1967 with total page 225 pages. Available in PDF, EPUB and Kindle. Book excerpt: The generalized approximate equations of motion of a cylindrical shell are developed. The long wavelength, low frequency approximation is shown to be the zero order or Flugge approximation. The characteristics of the mode dispersion spectrum are investigated as a function of frequency for the first few roots for orders zero to four, including real, imaginary and complex wave numbers. The dependence of the complex and imaginary branches on shell geometric factors of thickness and radius are presented. Comparison is made to three-dimensional elasticity analysis and to Mirsky-Herrmann theory. The change from thin to thick shell behavior for the complex branch or end modes is traced. The radial displacement conditions for various end conditions of a thin cylindrical shell are given. Expressions are also given for the various shell impedances. (Author).
Author : Jamie Chin-Chen Hsu
Publisher :
ISBN 13 :
Total Pages : 52 pages
Book Rating : 4.:/5 (247 download)
Download or read book The Propagation of Elastic Waves in Thin Cylindrical Shells written by Jamie Chin-Chen Hsu and published by . This book was released on 1969 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Spiro Kouzoupis
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (139 download)
Download or read book Propagation of Elastic Waves on Thin Cylindrical Shells at Frequencies Below the Ring Frequency written by Spiro Kouzoupis and published by . This book was released on 1990 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jack Hans Heimann
Publisher :
ISBN 13 :
Total Pages : 30 pages
Book Rating : 4.:/5 (498 download)
Download or read book The Propagation of Elastic Waves in Thin Cylindrical Shells written by Jack Hans Heimann and published by . This book was released on 1965 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Srinivasan Gopalakrishnan
Publisher : CRC Press
ISBN 13 : 1315354896
Total Pages : 861 pages
Book Rating : 4.3/5 (153 download)
Download or read book Wave Propagation in Materials and Structures written by Srinivasan Gopalakrishnan and published by CRC Press. This book was released on 2016-11-03 with total page 861 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book focuses on basic and advanced concepts of wave propagation in diverse material systems and structures. Topics are organized in increasing order of complexity for better appreciation of the subject. Additionally, the book provides basic guidelines to design many of the futuristic materials and devices for varied applications. The material in the book also can be used for designing safer and more lightweight structures such as aircraft, bridges, and mechanical and structural components. The main objective of this book is to bring both the introductory and the advanced topics of wave propagation into one text. Such a text is necessary considering the multi-disciplinary nature of the subject. This book is written in a step-by step modular approach wherein the chapters are organized so that the complexity in the subject is slowly introduced with increasing chapter numbers. Text starts by introducing all the fundamental aspects of wave propagations and then moves on to advanced topics on the subject. Every chapter is provided with a number of numerical examples of increasing complexity to bring out the concepts clearly The solution of wave propagation is computationally very intensive and hence two different approaches, namely, the Finite Element method and the Spectral Finite method are introduced and have a strong focus on wave propagation. The book is supplemented by an exhaustive list of references at the end of the book for the benefit of readers.
Author : John Thomas Kovarna
Publisher :
ISBN 13 :
Total Pages : 176 pages
Book Rating : 4.:/5 (88 download)
Download or read book Wave Propagation in an Elasto-plastic Material Contained in a Cylindrical Shell written by John Thomas Kovarna and published by . This book was released on 1969 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Daniel Frederick
Publisher :
ISBN 13 :
Total Pages : 142 pages
Book Rating : 4.:/5 (227 download)
Download or read book On Axially Symmetric Elastic Wave Propagation in a Fluid-filled Cylindrical Shell written by Daniel Frederick and published by . This book was released on 1965 with total page 142 pages. Available in PDF, EPUB and Kindle. Book excerpt: The early stages of propagation of a water hammer disturbance are investigated, water hammer constituting a special case of axially symmetric elastic wave propagation in a fluid-filled cylindrical shell. Many of the objectionable features of the elementary (Joukowsky) water hammer theory are removed, and particular emphasis is placed upon consideration of the effects of radial inertia of the fluid and of the shell. The formulation is appropriate for consideration of any axially symmetric acoustics disturbance which originates in the fluid and any of the usual engineering boundary conditions which describe constraints on motion of the end, or ends, of the shell. Motion of the shell is described by a thin-shell theory, and motion of the fluid is described by the axially symmetric wave equation, nonhomogeneous boundary conditions providing coupling of the fluid and shell motions. Application of a finite Hankel transform to the axially symmetric wave equation yields an infinite system of one-dimensional wave equations representing motion of the fluid. Integration of a finite set of these wave equations in conjunction with equations governing motion of the shell is accomplished numerically after a straight-forward application of the method of characteristics. (Author).
Author : Thomas L. Geers
Publisher :
ISBN 13 :
Total Pages : 214 pages
Book Rating : 4.:/5 (317 download)
Download or read book Analysis of Transient, Linear Wave Propagation in Shells by the Finite Difference Method written by Thomas L. Geers and published by . This book was released on 1971 with total page 214 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : David A. Evensen
Publisher :
ISBN 13 :
Total Pages : 212 pages
Book Rating : 4.:/5 (31 download)
Download or read book Holographic Measurement of Wave Propagation in Axi-symmetric Shells written by David A. Evensen and published by . This book was released on 1972 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : W. Olszak
Publisher : Springer
ISBN 13 : 3709124425
Total Pages : 302 pages
Book Rating : 4.7/5 (91 download)
Download or read book Thin Shell Theory written by W. Olszak and published by Springer. This book was released on 2014-05-04 with total page 302 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : John W. Miles
Publisher :
ISBN 13 :
Total Pages : 8 pages
Book Rating : 4.:/5 (227 download)
Download or read book Supersonic Flutter of a Cylindrical Shell. I. General Theory written by John W. Miles and published by . This book was released on 1955 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt: The equations governing the generation of traveling waves along an infinite, thin, cylindrical shell by an external air stream are formulated. The subsidiary problems of transverse wave propagation along the free shell and the calculation of the aerodynamic forces associated with a given wave then are solved. It is found that the minimum wave speed for the free shell occurs at a wavelength of the order of the geometric mean of shell thickness and radius. This neighborhood, in which flexural and extensional stresses are approximately equal in magnitude, is anticipated as the most critical for panel flutter (unstable wave motion). The restriction to wavelengths that are short compared with both length and radius of shell permits a relatively simple, quasi-planar approximation to the aerodynamic forces. The stability boundary for panel flutter in the absence of external damping is calculated and numerical results presented for shell thickness/radius ratio vs. Mach number. The negative damping ratio for unstable motion than is calculated and plotted vs a dimensionless dynamic pressure. It is shown that the structural damping ratio required to prevent panel flutter is equal to this negative damping ratio. (Author).
Author : Frank J. Fahy
Publisher : Elsevier
ISBN 13 : 0080471102
Total Pages : 666 pages
Book Rating : 4.0/5 (84 download)
Download or read book Sound and Structural Vibration written by Frank J. Fahy and published by Elsevier. This book was released on 2007-01-12 with total page 666 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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
Author : Chang Tsan Sun
Publisher :
ISBN 13 :
Total Pages : 41 pages
Book Rating : 4.:/5 (246 download)
Download or read book Wave Propagation of a Viscoelastic Hollow Cylinder Contained in a Thin Elastic Shell written by Chang Tsan Sun and published by . This book was released on 1968 with total page 41 pages. Available in PDF, EPUB and Kindle. Book excerpt: The plane strain problem of wave propagation in a viscoelastic hollow cylinder contained in a thin elastic shell was solved by using the method of superposition principle established by K.C. Valanis. According to Valanis, the solution is expressed in terms of a static elastic problem, an eigenvalue problem and an integral equation involving time only. The unknown reactions at the interface between the cylinder and the shell are determined from the conditions of continuity at the interface. They are expressed in terms of integro-differential equations. The solutions of displacements and stresses are given in a closed form in terms of infinite series.
Author : Eugen Skudrzyk
Publisher : Springer Science & Business Media
ISBN 13 : 3709182557
Total Pages : 816 pages
Book Rating : 4.7/5 (91 download)
Download or read book The Foundations of Acoustics written by Eugen Skudrzyk and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 816 pages. Available in PDF, EPUB and Kindle. Book excerpt: Research and scientific progress are based upqn intuition coordinated with a wide theoretical knowledge, experimental skill, and a realistic sense of the limitations of technology. Only a deep insight into physical phenomena will supply the necessary skills to handle the problems that arise in acoustics. The acoustician today needs to be well acquainted with mathematics, dynamics, hydrodynamics, and physics; he also needs a good knowledge of statistics, signal processing, electrical theory, and of many other specialized subjects. Acquiring this background is a laborious task and would require the study of many different books. It is the goal of this volume to present this background in as thorough and readable a manner as possible so that the reader may turn to specialized publications or chapters of other books for further information without having to start at the preliminaries. In trying to accomplish this goal, mathematics serves only as a tool; the better our understanding of a physical phenomenon, the less mathematics is needed and the shorter and more concise are our computa tions. A word about the choice of subjects for this volume will be helpful to the reader. Even scientists of high standing are frequently not acquainted with the fundamentals needed in the field of acoustics. Chapters I to IX are devoted to these fundamentals. After studying Chapter I, which dis cusses the units and their relationships, the reader should have no difficulty converting from one system of units to any other.
