The Method of the Generalised Eikonal

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Publisher : Walter de Gruyter GmbH & Co KG
ISBN 13 : 3110383012
Total Pages : 238 pages
Book Rating : 4.1/5 (13 download)

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Book Synopsis The Method of the Generalised Eikonal by : Michael V. Vesnik

Download or read book The Method of the Generalised Eikonal written by Michael V. Vesnik and published by Walter de Gruyter GmbH & Co KG. This book was released on 2015-07-31 with total page 238 pages. Available in PDF, EPUB and Kindle. Book excerpt: Diffraction theory describes scattering mechanisms for waves of various physical nature, scattered by objects of different shapes and materials. This book proposes new methods to account for the contour shape, edge profile and boundary conditions of three-dimensional scatterers (in particularly, flat polygons and polyhedrals). A standard method to refine the physical optics approximation (PO) is the heuristic method of edge waves (MEW). In comparison with MEW, the presented approaches simplify the solving and refining the PO approximation without solving a corresponding two-dimensional problem. Furthermore these methods allow to take into account the field perturbation in the vicinity of vertices. While the analytical formulas obtained by using these new approaches are as simple as in the PO case, the accuracy can be even higher than for MEW. On the basis of the developed methods construction of solutions for wave propagation in urban area and elastic wave diffraction (including seismic waves) are proposed. The book is useful for specialists who solve scientific and engineering problems in wave propagation and for students and postgraduate students.

Wavelet Analysis on the Sphere

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Publisher : Walter de Gruyter GmbH & Co KG
ISBN 13 : 3110481243
Total Pages : 186 pages
Book Rating : 4.1/5 (14 download)

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Book Synopsis Wavelet Analysis on the Sphere by : Sabrine Arfaoui

Download or read book Wavelet Analysis on the Sphere written by Sabrine Arfaoui and published by Walter de Gruyter GmbH & Co KG. This book was released on 2017-03-20 with total page 186 pages. Available in PDF, EPUB and Kindle. Book excerpt: The goal of this monograph is to develop the theory of wavelet harmonic analysis on the sphere. By starting with orthogonal polynomials and functional Hilbert spaces on the sphere, the foundations are laid for the study of spherical harmonics such as zonal functions. The book also discusses the construction of wavelet bases using special functions, especially Bessel, Hermite, Tchebychev, and Gegenbauer polynomials.

Inside Finite Elements

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Publisher : Walter de Gruyter GmbH & Co KG
ISBN 13 : 3110386186
Total Pages : 195 pages
Book Rating : 4.1/5 (13 download)

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Book Synopsis Inside Finite Elements by : Martin Weiser

Download or read book Inside Finite Elements written by Martin Weiser and published by Walter de Gruyter GmbH & Co KG. This book was released on 2016-05-10 with total page 195 pages. Available in PDF, EPUB and Kindle. Book excerpt: All relevant implementation aspects of finite element methods are discussed in this book. The focus is on algorithms and data structures as well as on their concrete implementation. Theory is covered only as far as it gives insight into the construction of algorithms. In the exercises, a complete FE-solver for stationary 2D problems is implemented in Matlab/Octave. Contents: Finite Element Fundamentals Grids and Finite Elements Assembly Solvers Error Estimation Mesh Refinement Multigrid Elastomechanics Fluid Mechanics Grid Data Structure Function Reference

Frontiers Of Physics 1998, Proceedings Of The Intl Mtg

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Publisher : World Scientific
ISBN 13 : 9814542725
Total Pages : 698 pages
Book Rating : 4.8/5 (145 download)

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Book Synopsis Frontiers Of Physics 1998, Proceedings Of The Intl Mtg by : D A Bradley

Download or read book Frontiers Of Physics 1998, Proceedings Of The Intl Mtg written by D A Bradley and published by World Scientific. This book was released on 2000-11-24 with total page 698 pages. Available in PDF, EPUB and Kindle. Book excerpt: Contents:Progress of RFQ and Superconducting Accelerators in China (C E Chen et al.)QCD Phase Transition in the Laboratory and in the Early Universe (B Sinha)Frontiers in Ultrafast Laser Science (W Sibbett)Asymmetries of Sea Quark Distributions in Baryons (M Alberg et al.)A Variational Approach to Many-Particle Systems (C K Kim et al.)Synchrotron Radiation Activities at KEK (M Kihara)Results of the UNU/ICTP PFF Network (S Lee)New Generation Positron-Atom Scattering Theories (K Ratnavelu)Superconducting Pairing of Quarks in QCD (N V Hieu & L T Tuong)Photon-Gated Persistent Spectral Hole Burning (Y X Nie & L Z Zhao)Wind Driven Circulation of the South China Sea (A Camerlengo)Effect of Soil Type on Environmental Terrestrial Gamma Radiation Dose in Johor State, Malaysia (A T Ramli et al.)Research in Optical Fibres Devices at Telekom Malaysia Photonics Laboratory (H B Ahmad et al.)Simplifying Complexity (W A T Wan Abdullah)Gravitational Wave Detection in the Laboratory (Y T Chen et al.)and other papers Readership: Theoretical physicists.

Stabilisation and Motion Control of Unstable Objects

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Publisher : Walter de Gruyter GmbH & Co KG
ISBN 13 : 3110392828
Total Pages : 281 pages
Book Rating : 4.1/5 (13 download)

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Book Synopsis Stabilisation and Motion Control of Unstable Objects by : Alexander M. Formalskii

Download or read book Stabilisation and Motion Control of Unstable Objects written by Alexander M. Formalskii and published by Walter de Gruyter GmbH & Co KG. This book was released on 2015-11-13 with total page 281 pages. Available in PDF, EPUB and Kindle. Book excerpt: Systems with mechanical degrees of freedom containing unstable objects are analysed in this monograph and algorithms for their control are developed, discussed, and numerically tested. This is achieved by identifying unstable modes of motion and using all available resources to suppress them. By using this approach the region of states from which a stable regime can be reached is maximised. The systems discussed in this book are models for pendula and vehicles and find applications in mechatronics, robotics as well as in mechanical and automotive engineering.

Group Theory of Chemical Elements

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Publisher : Walter de Gruyter GmbH & Co KG
ISBN 13 : 3110475200
Total Pages : 225 pages
Book Rating : 4.1/5 (14 download)

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Book Synopsis Group Theory of Chemical Elements by : Abram I. Fet

Download or read book Group Theory of Chemical Elements written by Abram I. Fet and published by Walter de Gruyter GmbH & Co KG. This book was released on 2016-09-12 with total page 225 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this monograph, group-theoretical approaches are used to build a system of hadrons and qualitatively describe the properties of chemical compounds. This serves as a complement to numerically and approximately solve the many-electron Schrödinger equation, in order to understand the behavior of chemical elements. Besides general theory, specific results are compared with experimentally measured chemical properties.

Noncompact Semisimple Lie Algebras and Groups

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Publisher : Walter de Gruyter GmbH & Co KG
ISBN 13 : 311042780X
Total Pages : 511 pages
Book Rating : 4.1/5 (14 download)

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Book Synopsis Noncompact Semisimple Lie Algebras and Groups by : Vladimir K. Dobrev

Download or read book Noncompact Semisimple Lie Algebras and Groups written by Vladimir K. Dobrev and published by Walter de Gruyter GmbH & Co KG. This book was released on 2016-09-12 with total page 511 pages. Available in PDF, EPUB and Kindle. Book excerpt: With applications in quantum field theory, elementary particle physics and general relativity, this two-volume work studies invariance of differential operators under Lie algebras, quantum groups, superalgebras including infinite-dimensional cases, Schrödinger algebras, applications to holography. This first volume covers the general aspects of Lie algebras and group theory supplemented by many concrete examples for a great variety of noncompact semisimple Lie algebras and groups. Contents: Introduction Lie Algebras and Groups Real Semisimple Lie Algebras Invariant Differential Operators Case of the Anti-de Sitter Group Conformal Case in 4D Kazhdan–Lusztig Polynomials, Subsingular Vectors, and Conditionally Invariant Equations Invariant Differential Operators for Noncompact Lie Algebras Parabolically Related to Conformal Lie Algebras Multilinear Invariant Differential Operators from New Generalized Verma Modules Bibliography Author Index Subject Index

Springer Series in Light Scattering

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Publisher : Springer
ISBN 13 : 3319708082
Total Pages : 301 pages
Book Rating : 4.3/5 (197 download)

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Book Synopsis Springer Series in Light Scattering by : Alexander Kokhanovsky

Download or read book Springer Series in Light Scattering written by Alexander Kokhanovsky and published by Springer. This book was released on 2017-12-22 with total page 301 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents a survey of modern theoretical and experimental techniques in studies of light scattering phenomena and radiative transfer processes in random media. It presents reviews on light scattering by sea water and bubbles, and includes a separate chapter addressing studies of the remote sensing of crystalline clouds with a focus on the shape of particles—a parameter rarely studied by passive remote sensing techniques. In particular, it offers a comprehensive analysis of polarized radiative transfer in optically active (e.g., chiral) light scattering media and explores advances in spectro-polarimetry of particulate media. Lastly it discusses new developments in light scattering for combustion monitoring.

Interaction of Gases with Surfaces

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Publisher : Springer Science & Business Media
ISBN 13 : 3540491074
Total Pages : 140 pages
Book Rating : 4.5/5 (44 download)

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Book Synopsis Interaction of Gases with Surfaces by : Alexander V. Bogdanov

Download or read book Interaction of Gases with Surfaces written by Alexander V. Bogdanov and published by Springer Science & Business Media. This book was released on 2008-09-11 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt: Interface phenomena are most fascinating because of the mixing of different scales and the interference of diverse physical processes. This makes it necessary to use different levels of description: microscopic, kinetic, and gas-dynamical. A unified quasiclassical approach is used to answer practical questions dealing with inelastic gas-surface scattering, the kinetics of adsorption layers, the evolution of inhomogeneities and defects at the surface, the Knudsen layer, the development of boundary conditions on the kinetic and gas-dynamical levels, the determination of exchange and slip coefficients, and so on.

Nuclear Science Abstracts

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Publisher :
ISBN 13 :
Total Pages : 934 pages
Book Rating : 4.0/5 ( download)

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Book Synopsis Nuclear Science Abstracts by :

Download or read book Nuclear Science Abstracts written by and published by . This book was released on 1976 with total page 934 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Advances in Geophysics

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Publisher : Elsevier
ISBN 13 : 0080466354
Total Pages : 627 pages
Book Rating : 4.0/5 (84 download)

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Book Synopsis Advances in Geophysics by : Ru-Shan Wu

Download or read book Advances in Geophysics written by Ru-Shan Wu and published by Elsevier. This book was released on 2006-12-14 with total page 627 pages. Available in PDF, EPUB and Kindle. Book excerpt: Significant progress in our understanding of the Earth's structure and functioning is dependent on new and original observations. However, these observations cannot be interpreted in a quantitative way without tools to model them, and developing adequate modelling methods is also a prerequisite for progress. Seismological raw data in the 21st century are mostly three-component broadband recordings, and require advanced numerical tools to be modelled, especially if lateral variations in the model are accounted for in addition to the radial stratification of the Earth. Considerable progress has been made concerning modelling of elastic waves in laterally heterogeneous structures in the last decades, taking advantage of the development of computer power. The number of articles related to new developments of diverse methods is enormous and it can be very difficult for newcomers to get an overview of the different methods available, and to be able to find which method is most appropriate for his or her applications. This book aims at giving introductions and basic reviews of the modelling methods for elastic waves in laterally heterogeneous structures which are most commonly used in contemporary seismology, or may have great potential for the future.

Handbook of X-ray Imaging

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Publisher : CRC Press
ISBN 13 : 1498741541
Total Pages : 1477 pages
Book Rating : 4.4/5 (987 download)

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Book Synopsis Handbook of X-ray Imaging by : Paolo Russo

Download or read book Handbook of X-ray Imaging written by Paolo Russo and published by CRC Press. This book was released on 2017-12-14 with total page 1477 pages. Available in PDF, EPUB and Kindle. Book excerpt: Containing chapter contributions from over 130 experts, this unique publication is the first handbook dedicated to the physics and technology of X-ray imaging, offering extensive coverage of the field. This highly comprehensive work is edited by one of the world’s leading experts in X-ray imaging physics and technology and has been created with guidance from a Scientific Board containing respected and renowned scientists from around the world. The book's scope includes 2D and 3D X-ray imaging techniques from soft-X-ray to megavoltage energies, including computed tomography, fluoroscopy, dental imaging and small animal imaging, with several chapters dedicated to breast imaging techniques. 2D and 3D industrial imaging is incorporated, including imaging of artworks. Specific attention is dedicated to techniques of phase contrast X-ray imaging. The approach undertaken is one that illustrates the theory as well as the techniques and the devices routinely used in the various fields. Computational aspects are fully covered, including 3D reconstruction algorithms, hard/software phantoms, and computer-aided diagnosis. Theories of image quality are fully illustrated. Historical, radioprotection, radiation dosimetry, quality assurance and educational aspects are also covered. This handbook will be suitable for a very broad audience, including graduate students in medical physics and biomedical engineering; medical physics residents; radiographers; physicists and engineers in the field of imaging and non-destructive industrial testing using X-rays; and scientists interested in understanding and using X-ray imaging techniques. The handbook's editor, Dr. Paolo Russo, has over 30 years’ experience in the academic teaching of medical physics and X-ray imaging research. He has authored several book chapters in the field of X-ray imaging, is Editor-in-Chief of an international scientific journal in medical physics, and has responsibilities in the publication committees of international scientific organizations in medical physics. Features: Comprehensive coverage of the use of X-rays both in medical radiology and industrial testing The first handbook published to be dedicated to the physics and technology of X-rays Handbook edited by world authority, with contributions from experts in each field

Semi-Riemannian Maps and Their Applications

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Publisher : Springer Science & Business Media
ISBN 13 : 9401729794
Total Pages : 203 pages
Book Rating : 4.4/5 (17 download)

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Book Synopsis Semi-Riemannian Maps and Their Applications by : Eduardo García-Río

Download or read book Semi-Riemannian Maps and Their Applications written by Eduardo García-Río and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 203 pages. Available in PDF, EPUB and Kindle. Book excerpt: A major flaw in semi-Riemannian geometry is a shortage of suitable types of maps between semi-Riemannian manifolds that will compare their geometric properties. Here, a class of such maps called semi-Riemannian maps is introduced. The main purpose of this book is to present results in semi-Riemannian geometry obtained by the existence of such a map between semi-Riemannian manifolds, as well as to encourage the reader to explore these maps. The first three chapters are devoted to the development of fundamental concepts and formulas in semi-Riemannian geometry which are used throughout the work. In Chapters 4 and 5 semi-Riemannian maps and such maps with respect to a semi-Riemannian foliation are studied. Chapter 6 studies the maps from a semi-Riemannian manifold to 1-dimensional semi- Euclidean space. In Chapter 7 some splitting theorems are obtained by using the existence of a semi-Riemannian map. Audience: This volume will be of interest to mathematicians and physicists whose work involves differential geometry, global analysis, or relativity and gravitation.

Light Scattering Reviews

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Publisher : Springer Science & Business Media
ISBN 13 : 3540376720
Total Pages : 509 pages
Book Rating : 4.5/5 (43 download)

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Book Synopsis Light Scattering Reviews by : Alexander A. Kokhanovsky

Download or read book Light Scattering Reviews written by Alexander A. Kokhanovsky and published by Springer Science & Business Media. This book was released on 2006-09-03 with total page 509 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides an account of recent developments in light scattering media optics. Leading researchers focus on both the theoretical and experimental results in the area. In particular, light scattering by ice crystals, soil particles and biological particles is considered. This volume first discusses single light scattering, followed by multiple light scattering and finally examines possible applications in combustion and marine research.

Light Scattering by Optically Soft Particles

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Publisher : Springer Science & Business Media
ISBN 13 : 354037664X
Total Pages : 203 pages
Book Rating : 4.5/5 (43 download)

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Book Synopsis Light Scattering by Optically Soft Particles by : Subodh K. Sharma

Download or read book Light Scattering by Optically Soft Particles written by Subodh K. Sharma and published by Springer Science & Business Media. This book was released on 2006-08-29 with total page 203 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book deals with a particular class of approximation methods in the context of light scattering by small particles. Soft particles occur in ocean optics, biomedical optics, atmospheric optics and in many industrial applications. This class of approximations has been termed as eikonal or soft particle approximations. The study of these approximations is very important because soft particles occur abundantly in nature.

Soviet Physics

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Publisher :
ISBN 13 :
Total Pages : 444 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Soviet Physics by :

Download or read book Soviet Physics written by and published by . This book was released on 1986 with total page 444 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Mathematical Aspects of Classical Field Theory

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Publisher : American Mathematical Soc.
ISBN 13 : 0821851446
Total Pages : 658 pages
Book Rating : 4.8/5 (218 download)

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Book Synopsis Mathematical Aspects of Classical Field Theory by : Mark J. Gotay

Download or read book Mathematical Aspects of Classical Field Theory written by Mark J. Gotay and published by American Mathematical Soc.. This book was released on 1992 with total page 658 pages. Available in PDF, EPUB and Kindle. Book excerpt: Classical field theory has undergone a renaissance in recent years. Symplectic techniques have yielded deep insights into its foundations, as has an improved understanding of the variational calculus. Further impetus for the study of classical fields has come from other areas, such as integrable systems, Poisson geometry, global analysis, and quantum theory. This book contains the proceedings of the AMS-IMS-SIAM Joint Summer Research Conference on Mathematical Aspects of Classical Field Theory, held in July 1991 at the University of Washington at Seattle. The conference brought together researchers in many of the main areas of classical field theory to present the latest ideas and results. The volume contains thirty refereed papers, both survey and research articles, and is designed to reflect the state of the art as well as chart the future course of the subject. The topics fall into four major categories: global analysis and relativity (cosmic censorship, initial value problem, quantum gravity), geometric methods (symplectic and Poisson structures, momentum mappings, Dirac constraint theory), BRST theory, and the calculus of variations (the variational bicomplex, higher order theories). Also included are related topics with a ``classical basis'', such as geometric quantization, integrable systems, symmetries, deformation theory, and geometric mechanics.