Finite Element Analysis Of Acoustic Scattering
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Finite Element Analysis Of Acoustic Scattering
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Author : Frank Ihlenburg
language : en
Publisher: Springer Science & Business Media
Release Date : 2006-03-29
Finite Element Analysis Of Acoustic Scattering written by Frank Ihlenburg and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-03-29 with Mathematics categories.
A cognitive journey towards the reliable simulation of scattering problems using finite element methods, with the pre-asymptotic analysis of Galerkin FEM for the Helmholtz equation with moderate and large wave number forming the core of this book. Starting from the basic physical assumptions, the author methodically develops both the strong and weak forms of the governing equations, while the main chapter on finite element analysis is preceded by a systematic treatment of Galerkin methods for indefinite sesquilinear forms. In the final chapter, three dimensional computational simulations are presented and compared with experimental data. The author also includes broad reference material on numerical methods for the Helmholtz equation in unbounded domains, including Dirichlet-to-Neumann methods, absorbing boundary conditions, infinite elements and the perfectly matched layer. A self-contained and easily readable work.
Effect Of Ocean Surface Profiles On Near Surface Steady State Acoustic Scattering
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Author : Nathaniel Rivera
language : en
Publisher:
Release Date : 2003
Effect Of Ocean Surface Profiles On Near Surface Steady State Acoustic Scattering written by Nathaniel Rivera and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with categories.
Hybrid Smoothed Finite Element Method For Two Dimensional Underwater Acoustic Scattering Problems
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Author :
language : en
Publisher:
Release Date : 2016
Hybrid Smoothed Finite Element Method For Two Dimensional Underwater Acoustic Scattering Problems written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016 with categories.
Finite Element Analysis Of Wave Propagation And Scattering With Applications To Acoustic Fluid Structure Interaction
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Author : Frank Ihlenburg
language : de
Publisher:
Release Date : 1997
Finite Element Analysis Of Wave Propagation And Scattering With Applications To Acoustic Fluid Structure Interaction written by Frank Ihlenburg and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with categories.
Acoustic Scattering From Ellipses By The Modal Element Method
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Author : Kevin Lee Kreider
language : en
Publisher:
Release Date : 1995
Acoustic Scattering From Ellipses By The Modal Element Method written by Kevin Lee Kreider and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with categories.
On The Use Of The Finite Element Method For The Modeling Of Acoustic Scattering From One Dimensional Rough Fluid Poroelastic Interfaces
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Author : Anthony Lucas Bonomo
language : en
Publisher:
Release Date : 2014
On The Use Of The Finite Element Method For The Modeling Of Acoustic Scattering From One Dimensional Rough Fluid Poroelastic Interfaces written by Anthony Lucas Bonomo and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014 with categories.
A poroelastic finite element formulation originally derived for modeling porous absorbing material in air is adapted to the problem of acoustic scattering from a poroelastic seafloor with a one-dimensional randomly rough interface. The developed formulation is verified through calculation of the plane wave reflection coefficient for the case of a flat surface and comparison with the well known analytical solution. The scattering strengths are then obtained for two different sets of material properties and roughness parameters using a Monte Carlo approach. These numerical results are compared with those given by three analytic scattering models---perturbation theory, the Kirchhoff approximation, and the small-slope approximation---and from those calculated using two finite element formulations where the sediment is modeled as an acoustic fluid.
Modal Ring Method For The Scattering Of Sound
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Author : Kenneth J. Baumeister
language : en
Publisher:
Release Date : 1993
Modal Ring Method For The Scattering Of Sound written by Kenneth J. Baumeister and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with Computational grids (Computer systems) categories.
Acoustic Interactions With Submerged Elastic Structures
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Author : A. Guran
language : en
Publisher: World Scientific
Release Date : 2001
Acoustic Interactions With Submerged Elastic Structures written by A. Guran and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with Technology & Engineering categories.
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 berall, 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 WignerOCoVille 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. Contents: Discrete Spectral Analysis for Solitary Waves (J Engelbrecht et al.); Propagation and Interaction of Waves in Nonlinear-Elastic Solids with Microstructures (V I Erofeyev); Matched Field Processing: A Powerful Tool for the Study of Oceans and Scatterers (A Tolstoy); Progress in Underwater Acoustic Modeling (P C Etter); Reflectivity Response of a Submerged Layer with Density, Sound Velocity and Absorbtion Gradients (R Carb-Fit(r)); Mathematical Aspects of Wave Phenomena in a Wave Guide with Elastic Walls and Operator Polynomials (B P Belinskiy & J P Dauer); On Some General Mathematical Properties of the System Elastic Plate OCo Acoustic Medium (B P Belinskiy); Acoustic Scattering from Finite Length Cylinders Encapped by Two Hemispheres (D Decultot et al.); Acoustic Scattering from a Circular Cylindrical Shell Immersed in Water. Generation and Reradiation of Guided Waves (F L(r)on & G Maze); The Finite Element/Boundary Element Approach to the Radiation and Scattering of Submerged Shells Including Internal Structure or Equipment (R Miller); Resonance Extraction, Phase Matching Method and the Surface Paths for Finite Elastic Cylinders (X-L Bao); Nonlinear Waves in Thermoelastic Solids Undergoing Phase Transitions (J K Knowles). Readership: Nonlinear scientists."
Acoustic Interactions With Submerged Elastic Structures
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Author : Ardshir Guran
language : en
Publisher: World Scientific
Release Date : 2002
Acoustic Interactions With Submerged Elastic Structures written by Ardshir Guran and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Mathematics categories.
This series of volumes constitutes an outstanding collection of contributions by the most active research workers in the area of acoustics and mechanics. It brings the reader up to date on the status of the various aspects of research in this field. The volumes should preserve their value for a long time, as they represent a monument to the achievements of human research capabilities in the underwater-acoustics aspects of the environment.
Finite Element And Boundary Methods In Structural Acoustics And Vibration
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Author : Noureddine Atalla
language : en
Publisher: CRC Press
Release Date : 2015-04-17
Finite Element And Boundary Methods In Structural Acoustics And Vibration written by Noureddine Atalla and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-04-17 with Technology & Engineering categories.
Effectively Construct Integral Formulations Suitable for Numerical ImplementationFinite Element and Boundary Methods in Structural Acoustics and Vibration provides a unique and in-depth presentation of the finite element method (FEM) and the boundary element method (BEM) in structural acoustics and vibrations. It illustrates the principles using a
