Cover image for Theoretical and Computational Acoustics 2005 (With Cd-Rom) : Proceedings of the 7th International Conference (ICTCA 2005).
Theoretical and Computational Acoustics 2005 (With Cd-Rom) : Proceedings of the 7th International Conference (ICTCA 2005).
Title:
Theoretical and Computational Acoustics 2005 (With Cd-Rom) : Proceedings of the 7th International Conference (ICTCA 2005).
Author:
Tolstoy, Alexandra.
ISBN:
9789812772602
Personal Author:
Physical Description:
1 online resource (228 pages)
Contents:
CONTENTS -- Preface -- Reconstruction of Sound Pressure Field by IFEM -- 1 Introduction -- 2 Inverse Problem -- 3 Solution Techniques -- 4 Conclusion -- References -- Seabed Parameter Estimation by Inversion of Long Range Sound Propagation Fields -- I. INTRODUCTION -- II. THE LONG RANGE GEOACOUSTIC INVERSION EXPERIMENTS -- III. GEO-ACOUSTIC INVERSION METHOD -- IV. INVERSION RESULTS -- Acknowledgments -- References -- High Resolution Radon Transform and Wavefield Separation -- 1 Introduction -- 2 Fundamental Principle -- 3 Testifying of the Theoretical Models and Practical Data -- 4 Conclusions -- Reference -- Three-Dimensional Acoustic Simulation on Acoustic Scattering by Nonlinear Internal Wave in Coastal Ocean -- 1 Introduction -- 2 Simulation Approach -- 3 Implementation and Results -- 4 Summary and Conclusions -- 5 Reference -- Estimation of Shear Wave Velocity in Seafloor Sediment by Seismo-Acoustic Interface Waves: A Case Study for Geotechnical Application -- 1 Introduction -- 2 Data collection -- 3 Estimation of interface wave dispersion -- 4 Inversion algorithm -- 5 Data analysis -- 6 Conclusion -- 7 Acknowledgements -- References -- The Optimum Source Depth Distribution for Reverberation Inversion in a Shallow-Water Waveguide -- 1. Introduction -- 2. The singularity analysis of the kernel matrix -- 3. Numerical examples -- 4. Summary -- Acknowledgment -- References -- Semi-Automatic Adjoint PE Modeling for Geoacoustic Inversion -- 1. Introduction -- 2. Modular graph approach -- 3. Wide-angle PE -- 4. Optimization -- Acknowledgments -- References -- Modeling 3D Wave Propagation in the Ocean Coupled with Elastic Bottom and Irregular Interface -- 1 Introduction -- 2 Theoretical Derivation -- 3 Numerical Modeling -- 4 Model Appraisal -- 5 Summary -- Acknowledgement -- References.

Reflections from Steel Plates with Doubly Periodic Anechoic Coatings -- 1. Introduction and Summary -- 2. Computational Method -- 3. Basic Example -- 4. Nonnormally Reflected Beams -- 5. Design of Anechoic Coatings -- Acknowledgments -- References -- Seismic Characterization and Monitoring of Thin-Layer Reservoir -- 1 Introduction -- 2 Thin-layer seismic modeling -- 3 Seismic attributes versus incidence angle for thin-layer -- 4 Seismic attributes versus scale for thin-layer -- 5 Reflection coefficient spectrum for thin-layer thickness and velocity change -- 6 Time-frequency analysis for thin-layer -- 7 Conclusions and discussions -- Acknowledgement -- Reference -- The Energy-Conserving Property of the Standard PE -- 1. Introduction -- 2. Basic Development -- 3. Energy-Conserving Property -- 4. Remarks -- 5. Conclusion -- Acknowledgments -- References -- Estimation of Anisotropic Properties from a Surface Seismic Survey and Log Data -- 1 Introduction -- 2 Recovery of elastic parameters using joint inversion method -- 3 Field data application -- 4 Conclusions -- 5 Acknowledgments -- 6 References -- Using Gaussian Beam Model in Oceans with Penetrating Slope Bottoms -- 1 Introduction -- 2 Gaussian Beam Method -- 3 Verification of the NUTRAY Model -- 4 Two-layered Bottom Model -- 5 Conclusion -- 6 Reference -- Application Niche Genetic Algorithms to AVOA Inversion in Orthorhombic Media -- 1. Introduction -- 2. AVOA for ORT Media -- 3. NGA Inversion Algorithm -- 4. Numerical Simulation -- 5. Conclusions -- Acknowledgments -- References -- Reconstruction of Seismic Impedance from Marine Seismic Data -- I. INTRODUCTION -- II. BLIND DECONVOLUTION -- III. INVERSE REFLECTION PROBLEM -- IV. RESULTS -- V. CONCLUSIONS -- ACKNOWLEDGEMENTS.

Characterization of an Underwater Acoustic Signal using the Statistics of the Wavelet Subband Coefficients -- 1. Introduction -- 2. The classification scheme -- 3. Study of the sensitivity of the KLD for geoacoustic inversions -- 4. Conclusions -- References -- Some Theoretical Aspects for Elastic Wave Modeling in a Recently Developed Spectral Element Method -- 1. Introduction -- 2. Basic Principles of the Spectral Element Methods -- 3. Basis Functions and Element Quadrature -- 4. Element by Element Iterative Solver -- 5. Error Analysis and Convergence Comparisons -- 6. Conclusions and Discussions -- 7. Acknowledgments -- References -- Inversion of Bottom Back-Scattering Matrix -- 1. Introduction -- 2. Normal Mode Model of Reverberation in Shallow-Water Waveguide -- 3. Characteristics of Modal Back-Scattering Matrix -- 4. Inversion of Modal Back-Scattering Matrix -- 5. Conclusion -- Acknowledgements -- References -- New Methods of Scattering Coefficients Computation for the Prediction of Room Acoustic Parameters -- 1. Introduction -- 2. Current Methods for Modeling Surface Scattering -- 3. Practical Methods to Define Scattering Coefficient -- 4. Prediction of Various Models -- 5. Concluding Remarks -- 6. Acknowledgements -- References.
Abstract:
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. Sample Chapter(s). Chapter 1: Reconstruction of Sound Pressure Field by IFEM (186 KB). Contents: Reconstruction of Sound Pressure Field by IFEM (R Anderssohn et al.); High Resolution Radon Transform and Wavefield Separation (J Chen et al.); Semi-Automatic Adjoint PE Modeling for Geoacoustic Inversion (J-P Hermand et al.); Reflections from Steel Plates with Doubly Periodic Anechoic Coatings (S Ivansson); The Energy-Conserving Property of the Standard PE (D Lee & E-C Shang); Estimation of Anisotropic Properties from a Surface Seismic Survey and Log Data (R Li & M Urosevic); Reconstruction of Seismic Impedance from Marine Seismic Data (B R Mabuza et al.); Inversion of Bottom Back-Scattering Matrix (J R Wu et al.); and other papers. Readership: Academic and industry researchers in acoustics.
Local Note:
Electronic reproduction. Ann Arbor, Michigan : ProQuest Ebook Central, 2017. Available via World Wide Web. Access may be limited to ProQuest Ebook Central affiliated libraries.
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