Acoustic Scattering in Waveguides with Smoothly-varying Or Discontinuous Elastic Boundaries

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Publisher :
ISBN 13 :
Total Pages : 226 pages
Book Rating : 4.:/5 (111 download)

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Book Synopsis Acoustic Scattering in Waveguides with Smoothly-varying Or Discontinuous Elastic Boundaries by : Andrew David Grant

Download or read book Acoustic Scattering in Waveguides with Smoothly-varying Or Discontinuous Elastic Boundaries written by Andrew David Grant and published by . This book was released on 2001 with total page 226 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Acoustic Scattering in Wageguides with Smoothly-varying Or Discontinuous Elastic Boundaries

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Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (535 download)

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Book Synopsis Acoustic Scattering in Wageguides with Smoothly-varying Or Discontinuous Elastic Boundaries by : Andrew David Grant

Download or read book Acoustic Scattering in Wageguides with Smoothly-varying Or Discontinuous Elastic Boundaries written by Andrew David Grant and published by . This book was released on 2001 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Acoustic Interactions With Submerged Elastic Structures - Part I: Acoustic Scattering And Resonances

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Publisher : World Scientific
ISBN 13 : 9814499730
Total Pages : 369 pages
Book Rating : 4.8/5 (144 download)

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Book Synopsis Acoustic Interactions With Submerged Elastic Structures - Part I: Acoustic Scattering And Resonances by : Ardeshir Guran

Download or read book Acoustic Interactions With Submerged Elastic Structures - Part I: Acoustic Scattering And Resonances written by Ardeshir Guran and published by World Scientific. This book was released on 1996-08-30 with total page 369 pages. Available in PDF, EPUB and Kindle. Book excerpt: The interaction of acoustic fields with submerged elastic structures, both by propagation and scattering, is being investigated at various institutions and laboratories world-wide with ever-increasing sophistication of experiments and analysis. This book offers a collection of contributions from these research centers that represent the present state-of-the-art in the study of acoustic elastic interaction, being on the cutting edge of these investigations. This includes the description of acoustic scattering from submerged elastic objects and shells by the Resonance Scattering Theory of Flax, Dragonette and Überall, and the interaction of these phenomena in terms of interface waves. It also includes the use of this theory for the purpose of inverse scattering, i.e. the determination of the scattered objects properties from the received acoustic backscattered signals. The problem of acoustically excited waves in inhomogeneous and anisotropic materials, and of inhomogeneous propagating waves is considered. Vibrations and resonances of elastic shells, including shells with various kinds of internal attachments, are analyzed. Acoustic scattering experiments are described in the time domain, and on the basis of the Wigner-Ville distribution. Acoustic propagation in the water column over elastic boundaries is studied experimentally both in laboratory tanks, and in the field, and is analyzed theoretically. Ultrasonic nondestructive testing, including such aspects like probe modelling, scattering by various types of cracks, receiving probes and calibration by a side-drilled hole is also studied in details.A comprehensive picture of these complex phenomena and other aspects is presented in the book by researchers that are experts in each of these domains, giving up-to-date accounts of the field in all these aspects.

Acoustic Interactions With Submerged Elastic Structures - Part Iii: Acoustic Propagation And Scattering, Wavelets And Time Frequency Analysis

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Publisher : World Scientific
ISBN 13 : 9814497819
Total Pages : 443 pages
Book Rating : 4.8/5 (144 download)

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Book Synopsis Acoustic Interactions With Submerged Elastic Structures - Part Iii: Acoustic Propagation And Scattering, Wavelets And Time Frequency Analysis by : Dieter Guicking

Download or read book Acoustic Interactions With Submerged Elastic Structures - Part Iii: Acoustic Propagation And Scattering, Wavelets And Time Frequency Analysis written by Dieter Guicking and published by World Scientific. This book was released on 2001-07-31 with total page 443 pages. Available in PDF, EPUB and Kindle. Book excerpt: The interaction of acoustic fields with submerged elastic structures, both by propagation and scattering, is being investigated at various institutions and laboratories world-wide with ever-increasing sophistication of experiments and analysis. This book offers a collection of contributions from these research centers that represent the present state-of-the-art in the study of acoustic elastic interaction, being on the cutting edge of these investigations. This includes the description of acoustic scattering from submerged elastic objects and shells by the Resonance Scattering Theory of Flax, Dragonette and Überall, and the interaction of these phenomena in terms of interface waves. It also includes the use of this theory for the purpose of inverse scattering, i.e. the determination of the scattered objects properties from the received acoustic backscattered signals. The problem of acoustically excited waves in inhomogeneous and anisotropic materials, and of inhomogeneous propagating waves is considered. Vibrations and resonances of elastic shells, including shells with various kinds of internal attachments, are analyzed. Acoustic scattering experiments are described in the time domain, and on the basis of the Wigner-Ville distribution. Acoustic propagation in the water column over elastic boundaries is studied experimentally both in laboratory tanks, and in the field, and is analyzed theoretically. Ultrasonic nondestructive testing, including such aspects like probe modelling, scattering by various types of cracks, receiving probes and calibration by a side-drilled hole is also studied in details.A comprehensive picture of these complex phenomena and other aspects is presented in the book by researchers that are experts in each of these domains, giving up-to-date accounts of the field in all these aspects.

Acoustic and Elastic Wave Scattering Using Boundary Elements

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Author :
Publisher : Computational Mechanics
ISBN 13 :
Total Pages : 160 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Acoustic and Elastic Wave Scattering Using Boundary Elements by : J. J. do Rêgo Silva

Download or read book Acoustic and Elastic Wave Scattering Using Boundary Elements written by J. J. do Rêgo Silva and published by Computational Mechanics. This book was released on 1994 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Scattering of Acoustic and Elastic Waves by Surfaces of Arbitrary Shape

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Publisher :
ISBN 13 :
Total Pages : 196 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Scattering of Acoustic and Elastic Waves by Surfaces of Arbitrary Shape by : Robert Peter Banaugh

Download or read book Scattering of Acoustic and Elastic Waves by Surfaces of Arbitrary Shape written by Robert Peter Banaugh and published by . This book was released on 1962 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Low and High Frequency Asymptotics

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Publisher : Elsevier
ISBN 13 : 1483290786
Total Pages : 535 pages
Book Rating : 4.4/5 (832 download)

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Book Synopsis Low and High Frequency Asymptotics by : V.K. Varadan

Download or read book Low and High Frequency Asymptotics written by V.K. Varadan and published by Elsevier. This book was released on 2013-10-22 with total page 535 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume focuses on asymptotic methods in the low and high frequency limits for the solution of scattering and propagation problems. Each chapter is pedagogical in nature, starting with the basic foundations and ending with practical applications. For example, using the Geometrical Theory of Diffraction, the canonical problem of edge diffraction is first solved and then used in solving the problem of diffraction by a finite crack. In recent times, the crack problem has been of much interest for its applications to Non-Destructive Evaluation (NDE) of flaws in structural materials.

Acoustic Interactions with Submerged Elastic Structures: Acoustic scattering and resonances

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Publisher : World Scientific
ISBN 13 : 9789810229641
Total Pages : 380 pages
Book Rating : 4.2/5 (296 download)

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Book Synopsis Acoustic Interactions with Submerged Elastic Structures: Acoustic scattering and resonances by : Ardéshir Guran

Download or read book Acoustic Interactions with Submerged Elastic Structures: Acoustic scattering and resonances written by Ardéshir Guran and published by World Scientific. This book was released on 1996-01-01 with total page 380 pages. Available in PDF, EPUB and Kindle. Book excerpt: "\berall's work in acoustic and electromagnetic scattering has evoked much interest, in the US as well as abroad, because of its possible practical applications, as well as the theoretical understanding. Many collaborators have been inspired by it, and have now contributed to this volume. The book is an excellent contribution to the literature of Acoustics and Wave Propagation. Professor Guran is to be congratulated for organizing and editing this volume." Prof. Hans A Bethe Noble Laureate Cornell University, 1996

Acoustic, Electromagnetic, and Elastic Wave Scattering--focus on the T-matrix Approach

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Publisher : Pergamon
ISBN 13 :
Total Pages : 712 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Acoustic, Electromagnetic, and Elastic Wave Scattering--focus on the T-matrix Approach by : V. K. Varadan

Download or read book Acoustic, Electromagnetic, and Elastic Wave Scattering--focus on the T-matrix Approach written by V. K. Varadan and published by Pergamon. This book was released on 1980 with total page 712 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Acoustic Scattering by Discontinuities in Waveguides

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Publisher :
ISBN 13 :
Total Pages : 300 pages
Book Rating : 4.:/5 (186 download)

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Book Synopsis Acoustic Scattering by Discontinuities in Waveguides by : Rahul Sen

Download or read book Acoustic Scattering by Discontinuities in Waveguides written by Rahul Sen and published by . This book was released on 1988 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Plane Wave Discontinuous Galerkin Methods for Acoustic Scattering

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Publisher :
ISBN 13 : 9781369351200
Total Pages : 134 pages
Book Rating : 4.3/5 (512 download)

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Book Synopsis Plane Wave Discontinuous Galerkin Methods for Acoustic Scattering by : Shelvean Kapita

Download or read book Plane Wave Discontinuous Galerkin Methods for Acoustic Scattering written by Shelvean Kapita and published by . This book was released on 2016 with total page 134 pages. Available in PDF, EPUB and Kindle. Book excerpt: We apply the Plane Wave Discontinuous Galerkin (PWDG) method to study the direct scattering of acoustic waves from impenetrable obstacles. In the first part of the thesis we consider the full exterior scattering problem with smooth boundaries. This problem is modeled by the Helmholtz equation in the unbounded domain exterior to the scatterer. To compute the scattered field, an artificial boundary is introduced to reduce the infinite domain to a finite computational domain. We then apply Dirichlet-to-Neumann (DtN) and Neumann-to-Dirichlet (NtD) boundary conditions on a circular artificial boundary. By using asymptotic properties of Hankel functions, we are able to prove wavenumber explicit L2-norm error estimates for the DtN-PWDG method on quasi-uniform meshes. Numerical experiments indicate that the accuracy of the PWDG method for the scattering problem is improved by the use of DtN and NtD boundary conditions. The second part of the thesis concerns acoustic scattering from domains with corners. In such domains, quasi-uniform meshes are not efficient so we derive error indicators to drive the selective refinement of the mesh in an adaptive algorithm. We prove a posteriori L2-norm error estimates for the Helmholtz equation with impedance boundary conditions on the artificial boundary. Numerical results demonstrate the efficiency of the proposed indicators. This adaptive strategy is compatible with the DtN and NtD truncation of the infinite domain problem and the combination would significantly improve the accuracy and reliability of PWDG simulations.

Index to Theses with Abstracts Accepted for Higher Degrees by the Universities of Great Britain and Ireland and the Council for National Academic Awards

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Publisher :
ISBN 13 :
Total Pages : 326 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Index to Theses with Abstracts Accepted for Higher Degrees by the Universities of Great Britain and Ireland and the Council for National Academic Awards by :

Download or read book Index to Theses with Abstracts Accepted for Higher Degrees by the Universities of Great Britain and Ireland and the Council for National Academic Awards written by and published by . This book was released on 2002 with total page 326 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Applied Mechanics Reviews

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Publisher :
ISBN 13 :
Total Pages : 390 pages
Book Rating : 4.3/5 (243 download)

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Book Synopsis Applied Mechanics Reviews by :

Download or read book Applied Mechanics Reviews written by and published by . This book was released on 1994 with total page 390 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Low and High Frequency Asymptotics

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Publisher :
ISBN 13 :
Total Pages : 520 pages
Book Rating : 4.:/5 (16 download)

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Book Synopsis Low and High Frequency Asymptotics by : Vijay K. Varadan

Download or read book Low and High Frequency Asymptotics written by Vijay K. Varadan and published by . This book was released on 1986 with total page 520 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Wave Propagation in Elastic Solids

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Publisher : Elsevier
ISBN 13 : 1483163733
Total Pages : 440 pages
Book Rating : 4.4/5 (831 download)

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Book Synopsis Wave Propagation in Elastic Solids by : J. D. Achenbach

Download or read book Wave Propagation in Elastic Solids written by J. D. Achenbach and published by Elsevier. This book was released on 2016-01-21 with total page 440 pages. Available in PDF, EPUB and Kindle. Book excerpt: Wave Propagation in Elastic Solids focuses on linearized theory and perfectly elastic media. This book discusses the one-dimensional motion of an elastic continuum; linearized theory of elasticity; elastodynamic theory; and elastic waves in an unbounded medium. The plane harmonic waves in elastic half-spaces; harmonic waves in waveguides; and forced motions of a half-space are also elaborated. This text likewise covers the transient waves in layers and rods; diffraction of waves by a slit; and thermal and viscoelastic effects, and effects of anisotropy and nonlinearity. Other topics include the summary of equations in rectangular coordinates, time-harmonic plane waves, approximate theories for rods, and transient in-plane motion of a layer. This publication is a good source for students and researchers conducting work on the wave propagation in elastic solids.

The Boundary Element Method in Acoustics

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Publisher : Stephen Kirkup
ISBN 13 : 9780953403103
Total Pages : 136 pages
Book Rating : 4.4/5 (31 download)

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Book Synopsis The Boundary Element Method in Acoustics by : Stephen Kirkup

Download or read book The Boundary Element Method in Acoustics written by Stephen Kirkup and published by Stephen Kirkup. This book was released on 1998 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt:

The Theory of Elastic Waves and Waveguides

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Publisher : Elsevier
ISBN 13 : 0080984045
Total Pages : 635 pages
Book Rating : 4.0/5 (89 download)

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Book Synopsis The Theory of Elastic Waves and Waveguides by : J. Miklowitz

Download or read book The Theory of Elastic Waves and Waveguides written by J. Miklowitz and published by Elsevier. This book was released on 2012-12-02 with total page 635 pages. Available in PDF, EPUB and Kindle. Book excerpt: The primary objective of this book is to give the reader a basic understanding of waves and their propagation in a linear elastic continuum. The studies of elastodynamic theory and its application to fundamental value problems should prepare the reader to tackle many physical problems of general interest in engineering and geophysics, and of particular interest in mechanics and seismology.