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Theoretical And Computational Acoustics 2001 by T F Gao,Qihu Li,Er-chang Shang Pdf
This book contains 67 papers presented at ICTCA2001. It includes three keynote addresses surveying the frontier developments in computational and theoretical acoustics. The papers cover aero-, seismo- and ocean acoustics, as well as ultrasonics. Computational methods, numerical simulation, theoretical analysis and experimental results are emphasized by different papers.The proceedings have been selected for coverage in:Index to Scientific & Technical Proceedings (ISTP CDROM version / ISI Proceedings)
Theoretical and Computational Acoustics 2001 by Er-Chang Shang,Qihu Li,T. F. Gao Pdf
This book contains 67 papers presented at ICTCA2001. It includes three keynote addresses surveying the frontier developments in computational and theoretical acoustics. The papers cover aero-, seismo- and ocean acoustics, as well as ultrasonics. Computational methods, numerical simulation, theoretical analysis and experimental results are emphasized by different papers.
Theoretical and Computational Acoustics 2003 by Alexandra Tolstoy,Yu-Chiung Teng,E C Shang Pdf
The ICTCA conference provides an interdisciplinary forum for active researchers in academia and industry who are of varying backgrounds to discuss the state-of-the-art developments and results in theoretical and computational acoustics and related topics. The papers presented at the meeting cover acoustical problems of common interest across disciplines and their accurate mathematical and numerical modeling. This volume collects papers that were presented at the sixth meeting. The subjects include geophysics, scattering and diffraction, the parabolic equation (with special sessions in honor of Dr Fred Tappert), seismic exploration, boundary element methods, visualization, oil industry applications, shallow water acoustics, matched field tracking, bubbles, waves in complex media, seabed interactions, ocean acoustic inversion, and mathematical issues in underwater acoustics. Contents:Cross Hole Simulations in Elastic Formations Using Off-Axis Sources via BEM (J Antonio & A Tadeu)The Acoustical Klein–Gordon Equation: The Direct and Inverse Problems (B J Forbes & E R Pike)Bottom Reflection Phase Shift Parameter Inversion from Reverberation and Propagation Data (H L Ge et al.)Dynamics of Immiscible Two-Phase Fluid Reservoir Flow (A Hanyga)Revolutionary Influence of the Parabolic Equation Approximation (D Lee)Computation of Acoustic Field on 2D Fronts (N Maltsev)Seismic Resolution: An Old Problem But a New Challenge for Seismic Reservoir Characterization (Y-F Sun et al.)Simulated Tomographic Geoacoustic Inversion (A Tolstoy)and other papers Readership: Researchers, academics and practitioners in ocean engineering, computer science, mathematical physics, geophysics and applied physics. Keywords:Computational Acoustics;Geophysics;Applied Mathematics;Ocean Acoustics
Covers the theory and practice of innovative new approaches to modelling acoustic propagation There are as many types of acoustic phenomena as there are media, from longitudinal pressure waves in a fluid to S and P waves in seismology. This text focuses on the application of computational methods to the fields of linear acoustics. Techniques for solving the linear wave equation in homogeneous medium are explored in depth, as are techniques for modelling wave propagation in inhomogeneous and anisotropic fluid medium from a source and scattering from objects. Written for both students and working engineers, this book features a unique pedagogical approach to acquainting readers with innovative numerical methods for developing computational procedures for solving problems in acoustics and for understanding linear acoustic propagation and scattering. Chapters follow a consistent format, beginning with a presentation of modelling paradigms, followed by descriptions of numerical methods appropriate to each paradigm. Along the way important implementation issues are discussed and examples are provided, as are exercises and references to suggested readings. Classic methods and approaches are explored throughout, along with comments on modern advances and novel modeling approaches. Bridges the gap between theory and implementation, and features examples illustrating the use of the methods described Provides complete derivations and explanations of recent research trends in order to provide readers with a deep understanding of novel techniques and methods Features a systematic presentation appropriate for advanced students as well as working professionals References, suggested reading and fully worked problems are provided throughout An indispensable learning tool/reference that readers will find useful throughout their academic and professional careers, this book is both a supplemental text for graduate students in physics and engineering interested in acoustics and a valuable working resource for engineers in an array of industries, including defense, medicine, architecture, civil engineering, aerospace, biotech, and more.
Theoretical and Computational Acoustics 2005 by Dr. Alexandra Tolstoy,Erchang Shang,Yu-Chiung Teng Pdf
Preface -- Reconstruction of sound pressure field by IFEM / R. Anderssohn [und weitere] -- Seabed parameter estimation by inversion of long range sound propagation fields / W. Chen, L. Ma and N.R. Chapman -- High resolution radon transform and wavefield separation / J. Chen [und weitere] -- Three-dimensional acoustic simulation on acoustic scattering by nonlinear internal wave in coastal ocean / L.Y.S. Chiu, C.-F. Chen and J.F. Lynch -- Estimation of shear wave velocity in seafloor sediment by seismo-acoustic interface waves: a case study for geotechnical application / H. Dong, J.M. Hovem and S.A. Frivik. The optimum source depth distribution for reverberation inversion in a shallow-water waveguide / T.F. Gao and E.C. Shang -- Semi-automatic adjoint PE modeling for geoacoustic inversion / J.-P. Hermand [und weitere] -- Modeling 3D wave propagation in the ocean coupled with elastic bottom and irregular interface / L.-W. Hsieh, D. Lee and C.-F. Chen -- Reflections from steel plates with doubly periodic anechoic coatings / S. Ivansson -- Seismic characterization and monitoring of thin-layer reservoir / L. Jin, X. Chen and J. Li -- The energy-conserving property of the standard PE / D. Lee and E.-C. Shang -- Estimation of anisotropic properties from a surface seismic survey and log data / R. Li and M. Urosevic -- Using Gaussian beam model in oceans with penetrating slope bottoms / Y.-T. Lin [und weitere] -- Application Niche genetic algorithms to AVOA inversion in orthorhombic media / M.-H. Lu and H.-Z. Yang -- Reconstruction of seismic impedance from marine seismic data / B.R. Mabuza [und weitere] -- Characterization of an underwater acoustic signal using the statistics of the wavelet subband coefficients / M.I. Taroudakis, G. Tzagkarakis and P. Tsakalides -- Some theoretical aspects for elastic wave modeling in a recently developed spectral element method / X.M. Wang, G. Seriani and W.J. Lin -- Inversion of bottom back-scattering matrix / J.R. Wu, T.F. Gao and E.C. Shang -- New methods of scattering coefficients computation for the prediction of room acoustic parameters / X. Zeng, C.L. Christensen and J.H. Rindel
Theoretical And Computational Acoustics 2005 (With Cd-rom) - Proceedings Of The 7th International Conference (Ictca 2005) by Alexandra Tolstoy,Er-chang Shang,Yu-chiung Teng Pdf
This volume represents the latest advances in the field of theoretical and computational acoustics. The coverage includes results in the areas of underwater acoustics, seismics, scattering, inversion, genetic algorithms, reverberation, IFEM, Radon transforms, wavelet statistics, PE modeling, and Gaussian beams.
Theoretical and Computational Acoustics '99 by Ding Lee,Gza Seriani Pdf
The ICTCA conference provides an interdisciplinary forum for active researchers in academia and industry who are of varying backgrounds to discuss the state-of-the-art developments and results in theoretical and computational acoustics and related topics. The papers presented at the meeting cover acoustical problems of common interest across disciplines and their accurate mathematical and numerical modelling.The present book collects papers that were presented at the 4th meeting and printed in the Journal of Computational Acoustics. There are about 120 full research articles on various subjects, such as wave propagation theory and numerical modelling, sound propagation, vibrations and noise generation, underwater acoustics, engineering seismology, ultrasonic field synthesis and modelling, as well as computational methods, inverse problems and tomography, shallow water acoustics and environmental/bottom parameter extraction. A CD-Rom is attached that allows readers to browse through articles and print those of interest to them.
Theoretical And Computational Acoustics - Proceedings Of The International Conference (In 2 Volumes) by John E Ffowcs Williams,Ding Lee,Allan D Pierce,Martin H Schultz Pdf
This conference provided a forum for active researchers to discuss the state of the art in theoretical and computational acoustics. Topics covered structural acoustics, scattering, 3-dimensional propagational problems, fluid/elastic interfaces, wavelets and their impact on acoustics, computational methods and supercomputing.
Theoretical And Computational Acoustics '97 by Er-chang Shang,Martin H Schultz,Allan D Pierce,Yu-chiung Teng,Yih-hsing Pao Pdf
This volume is dedicated to Dr Ding Lee for his untiring efforts in promoting the advancement of theoretical and computational acoustics.This proceedings volume provides a forum for active researchers to discuss the state-of-the-art developments and results in theoretical and computational acoustics, covering aero-, seismo- and ocean acoustics and related topics. It discusses multidimensional wave propagation modeling, methods of computational acoustics, wave propagation in rocks, fluid-solid interfaces, nonlinear acoustics, neural networks, real applications and experimental results.
Theoretical and Computational Acoustics 2005 by Dr. Alexandra Tolstoy,Erchang Shang,Yu-Chiung Teng Pdf
This volume represents the latest advances in the field of theoretical and computational acoustics. The coverage includes results in the areas of underwater acoustics, seismics, scattering, inversion, genetic algorithms, reverberation, IFEM, Radon transforms, wavelet statistics, PE modeling, and Gaussian beams.
Theoretical and Computational Acoustics 2003 by Dr. Alexandra Tolstoy,Yu-Chiung Teng,Erchang Shang Pdf
The ICTCA conference provides an interdisciplinary forum for active researchers in academia and industry who are of varying backgrounds to discuss the state-of-the-art developments and results in theoretical and computational acoustics and related topics. The papers presented at the meeting cover acoustical problems of common interest across disciplines and their accurate mathematical and numerical modeling. This volume collects papers that were presented at the sixth meeting. The subjects include geophysics, scattering and diffraction, the parabolic equation (with special sessions in honor of Dr Fred Tappert), seismic exploration, boundary element methods, visualization, oil industry applications, shallow water acoustics, matched field tracking, bubbles, waves in complex media, seabed interactions, ocean acoustic inversion, and mathematical issues in underwater acoustics.
Computational Atmospheric Acoustics by E.M. Salomons Pdf
Noise from cars, trains, and aeroplanes can be heard at large distances from the source. Accurate predictions of the loudness of the noise require accurate computations of sound propagation in the atmosphere. This book describes models that can be used for these computations. The models take into account complex effects of the atmosphere and the ground surface on sound waves, including the effects of wind and temperature distributions, atmospheric turbulence, irregular terrain, and noise barriers. The main text of the book focuses on physical effects in atmospheric acoustics. The effects are illustrated by many numerical examples. The main text requires a very limited mathematical background from the reader; detailed mathematical descriptions of the models, developed from the basic principles of acoustics, are presented in appendices. Models for moving media are compared with models that are based on the effective sound speed approach. Both two-dimensional models and three-dimensional models are presented. As meteorological effects play an important role in atmospheric acoustics, selected topics from boundary layer meteorology and the theory of turbulence are also presented.
Poromechanics II by J.L. Auriault,C. Geindreau,P. Royer,J.F. Bloch Pdf
These proceedings deal with the fundamentals and applications of poromechanics to geomechanics, material sciences, geophysics, acoustics and biomechanics. They discuss the state of the art in such topics as constitutive modelling and upscaling methods.
Computational Acoustics of Noise Propagation in Fluids - Finite and Boundary Element Methods by Steffen Marburg,Bodo Nolte Pdf
The book provides a survey of numerical methods for acoustics, namely the finite element method (FEM) and the boundary element method (BEM). It is the first book summarizing FEM and BEM (and optimization) for acoustics. The book shows that both methods can be effectively used for many other cases, FEM even for open domains and BEM for closed ones. Emphasis of the book is put on numerical aspects and on treatment of the exterior problem in acoustics, i.e. noise radiation.
