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[null,"1.","Record Nr.",null,"UNINA9910455593203321"]
[null,null,"Autore",null,"Kuzelev M. V (Mikhail Viktorovich)"]
[null,null,"Titolo",null,"Methods of wave theory in dispersive media [[electronic resource] /] / M.V. Kuzelev, A.A. Rukhadze"]
[null,null,"Pubbl/distr/stampa",null,"Hackensack, N.J. ; ; London, : World Scientific, c2010"]
[null,null,"ISBN",null,"1-282-75784-9"]
[{"$nulls":4},"9786612757846"]
[{"$nulls":4},"981-4261-70-X"]
[null,null,"Descrizione fisica",null,"1 online resource (271 p.)"]
[null,null,"Disciplina",null,"531.1133"]
[null,null,"Soggetti",null,"Wave-motion, Theory of"]
[{"$nulls":4},"Waves"]
[{"$nulls":4},"Dispersion"]
[{"$nulls":4},"Linear systems"]
[{"$nulls":4},"Electronic books."]
[null,null,"Lingua di pubblicazione",null,"Inglese"]
[null,null,"Formato",null,"Materiale a stampa"]
[null,null,null,"Livello bibliografico","Monografia"]
[null,null,null,"Note generali","Description based upon print version of record."]
[null,null,null,"Nota di bibliografia","Includes bibliographical references (p. 257-258)."]
[null,null,"Nota di contenuto",null,"Contents; Synopsis; Introduction; Chapter 1 Linear Harmonic Waves in Dispersive Systems. Initial-Value Problem and Problem with An External Source; 1. Harmonic Waves in Dispersive Systems; 2. Initial-Value Problem. Eigenmode Method; 3. Characteristic Function of the State Vector. Dispersion Operator; 4. Laplace Transform Method; Chapter 2 A Case Study of Linear Waves in Dispersive Media; 5. Transverse Electromagnetic Waves in an Isotropic Dielectric; 6. Longitudinal Electrostatic Waves in a Cold Isotropic Plasma. Collisional Dissipation of Plasma Waves"]
[{"$nulls":4},"7. Transverse Electromagnetic Waves in a Cold Isotropic Plasma. Dissipation of Transverse Waves in a Plasma8. Electromagnetic Waves in Metals; 9. Electromagnetic Waves in a Waveguide with an Isotropic Dielectric; 10. Longitudinal Waves in a Hot Isotropic Plasma. Electron Diffusion in a Plasma; 11. Longitudinal Waves in an Isotropic Degenerate Plasma. Waves in a Quantum Plasma; 12. Ion Acoustic Waves in a Nonisothermal Plasma. Ambipolar Diffusion; 13. Electromagnetic Waves in a Waveguide with an Anisotropic Plasma in a Strong External Magnetic Field"]
[{"$nulls":4},"14. Electromagnetic Waves Propagating in a Magnetized Electron Plasma along a Magnetic Field15. Electrostatic Waves Propagating in a "]
[{"$nulls":4},"Magnetized Electron Plasma at an Angle to a Magnetic Field; 16. Magnetohydrodynamic Waves in a Conducting Fluid; 17. Acoustic Waves in Crystals; 18. Longitudinal Electrostatic Waves in a One-Dimensional Electron Beam; 19. Beam Instability in a Plasma; 20. Instability of a Current-Carrying Plasma; Chapter 3 Linear Waves in Coupled Media. Slow Amplitude Method; 21. Coupled Oscillator Representation and Slow Amplitude Method"]
[{"$nulls":4},"22. Beam-Plasma System in the Coupled Oscillator Representation23. Basic Equations of Microwave Electronics; 24. Resonant Buneman Instability in a Current-Carrying Plasma in the Coupled Oscillator Representation; 25. Dispersion Function and Wave Absorption in Dissipative Systems; 26. Some Effects in the Interaction between Waves in Coupled Systems; 27. Waves and Their Interaction in Periodic Structures; Chapter 4 Nonharmonic Waves in Dispersive Media; 28. General Solution to the Initial-Value Problem; 29. Quasi-Harmonic Approximation. Group Velocity"]
[{"$nulls":4},"30. Pulse Spreading in Equilibrium Dispersive Media31. Stationary-Phase Method; 32. Some Problems for Wave Equations with a Source; Chapter 5 Nonharmonic Waves in Nonequilibrium Media; 33. Pulse propagation in Nonequilibrium Media; 34. Stationary-Phase Method for Complex Frequencies; 35. Quasi-Harmonic Approximation in the Theory of Interaction of Electron Beams with Slowing-Down Media; Chapter 6 Theory of Instabilities; 36. Convective and Absolute Instabilities. First Criterion for the Type of Instability; 37. Saddle-Point Method. Second Criterion for the Type of Instability"]
[{"$nulls":4},"38. Third Criterion for the Type of Instability"]
[null,null,null,"Sommario/riassunto","This book presents the main mathematical methods of description and general problems in the theory of linear waves in dispersive systems and media, including equilibrium and nonequilibrium waves. To show how the general theory can be applied in practice, the authors give a unified description of the waves in all important physical systems which are traditionally studied in the mechanics of continuous media, electrodynamics, plasma physics, electronics and physical kinetics. Consideration is also given to the interaction of waves in coupled systems, the propagation and evolution of localized w"]
[null,"2.","Record Nr.",null,"UNINA9910417803303321"]
[null,null,"Titolo",null,"Colombia : Antropologia di una guerra interminabile"]
[null,null,"Pubbl/distr/stampa",null,"Rosenberg & Sellier"]
[null,null,"Lingua di pubblicazione",null,"Italiano"]
[null,null,"Formato",null,"Materiale a stampa"]
[null,null,null,"Livello bibliografico","Monografia"]
[null,null,null,"Sommario/riassunto","Un'agile lettura antropologica delle vicende recenti e dell'attuale situazione della realtà colombiana, un caso di studio con peculiarità di grande interesse, conosciuto in Italia in modo assai superficiale. Dalla genesi del conflitto (cinquantadue anni di guerra;più di otto milioni di vittime registrate ufficialmente; quasi un milione di vittime di omicidio; sette milioni di profughi interni; centosessantaquattromiladesaparecidos; più di trentatremila sequestri...) alla sua lettura e alla sua memoria (\"nel\" e \"del\" conflitto), toccando i temi della persistenza della violenza, del movimento popolare, della \"guerra sporca\", del narcotraffico e della narcocultura, del paramilitarismo, della necropolitica. Fino alla firma degli accordi del 2016, celebrati con un grande macchinario simbolico ma bocciati dal successivo referendum. Una vicenda \"interminabile\" in cui le rappresentazioni si intrecciano indissolubilmente con gli eventi della storia e della cronaca."]
[null,"3.","Record Nr.",null,"UNINA9910963374603321"]
[null,null,"Titolo",null,"Computational fluid dynamics / / edited by Frederic Magoules"]
[null,null,"Pubbl/distr/stampa",null,"Boca Raton, : Chapman and Hall/CRC, 2012"]
[null,null,"ISBN",null,"0-429-10757-9"]
[{"$nulls":4},"1-283-31172-0"]
[{"$nulls":4},"9786613311726"]
[{"$nulls":4},"1-4398-5662-1"]
[null,null,"Edizione",null,"[1st ed.]"]
[null,null,"Descrizione fisica",null,"1 online resource (xxxi, 375 p. ) : ill"]
[null,null,"Collana",null,"Chapman and Hall/CRC numerical analysis and scientific computation series"]
[null,null,"Classificazione",null,"MAT021000SCI055000TEC009070"]
[null,null,"Disciplina",null,"532.00285"]
[null,null,"Soggetti",null,"Fluid dynamics - Mathematics"]
[{"$nulls":4},"Numerical analysis"]
[null,null,"Lingua di pubblicazione",null,"Inglese"]
[null,null,"Formato",null,"Materiale a stampa"]
[null,null,null,"Livello bibliografico","Monografia"]
[null,null,null,"Note generali","A Chapman & Hall book."]
[null,null,null,"Nota di bibliografia","Includes bibliographical references."]
[null,null,"Nota di contenuto",null,"Finite Volumes Methods , Jerome Boudet Introduction Conservativity Control volume integration Grid General flux interpolation Resolution and time discretization Consistency, stability, and convergence Upwind interpolation Particular case of structured grids Boundary conditions Weighted Residuals Methods , Fabien Godeferd Introduction Principles of the weighted residuals method Collocation or pseudo-spectral method Least squares method Method of moments Galerkin approximation Subdomains An example Spectral Methods , Fabien Godeferd Introduction Linear problem: Galerkin, tau, and collocation methods Applications: Fourier Applications: Chebyshev Implicit equations Evaluation of nonlinear terms Smoothed-Particle Hydrodynamics (SPH) Methods , Francis Leboeuf and Jean-Christophe Marongiu Introduction SPH approximation of a function Properties of the kernel function W Barycenter of D(x i ) Choices of the kernel function W SPH approximation of differential operators applied on a function Using a Taylor series expansion Concluding remarks Application of SPH Methods to Conservation Equations , Francis Leboeuf and Jean-Christophe Marongiu General form of conservation equation Weak SPH-ALE formulation of the conservation equations Application to flow conservation equations Boundary conditions Applications of SPH and SPH-ALE methods Finite Volume Particle Methods (FVPM) , Francis Leboeuf and Jean-Christophe Marongiu "]
[{"$nulls":4},"Introduction Partition of unity Average of a function Derivatives of ? Conservation equation and FVPM Concluding remarks Numerical Algorithms for Unstructured Meshes , Bruno Koobus, Frederic Alauzet, and Alain Dervieux Introduction Spatial representation Toward higher spatial order Positivity of mixed element-volume formulations 3D multi-scales anisotropic mesh adaptation 3D goal-oriented anisotropic mesh adaptation Concluding remarks LES, Variational Multiscale LES, and Hybrid Models , Hilde Ouvrard, Maria-Vittoria Salvetti, Simone Camarri, Stephen Wornom, Alain Dervieux, and Bruno Koobus Introduction Numerical model Large eddy simulation (LES) Variational multiscale large eddy simulation (VMS-LES) Hybrid RANS/LES Concluding remarks Numerical Algorithms for Free Surface Flow , Alexandre Caboussat, Guillaume Jouvet, Marco Picasso, and Jacques Rappaz Introduction A short review on two-phases flow with free surfaces Some preliminary remarks on ice and glacier modeling Modeling Time splitting scheme A two-grids method for space discretization Modeling of interfacial effects Numerical results for liquid flow Numerical results for ice flow Concluding remarks Bibliography"]
[null,null,null,"Sommario/riassunto","This book concentrates on the numerical of computational fluid mechanics (including mathematical models in computational fluid mechanics, numerical methods in computational fluid mechanics, finite volume, finite difference, finite element, spectral methods, smoothed particle hydrodynamics methods, mixed-element-volume methods, free surface flow) followed by some focus of new development of classical methods, and to the recent methods appearing in this field. The topics covered in this book are wide ranging and demonstrate the extensive use in computational fluid mechanics. The book opens with a presentation of the basis of finite volume methods, weighted residual methods and spectral methods. These specific approaches are particularly important in the context of fluid mechanics, where they cover complementary domains of application. A unified point of view is introduced, based on the weighted residuals description. Chapter 1 presents the finite volume method. Chapter 2 describes the principles of weighted residuals methods. Chapter 3 introduces the spectral method. Chapter 4 presents computational fluid dynamics based on the smoothed particle hydrodynamics (SPH) method. Chapter 5 focuses on an improved SPH method based on an arbitrary Lagrange Euler (ALE) formalism. Chapter 6, using the similarity with the finite volumes method, introduces high order flux schemes between interacting points. Chapter 7 presents some numerical methods for compressible computational fluid dynamics. Chapter 8 deals with the prediction of turbulent complex flows as occur. Chapter 9 discusses the modeling and numerical simulation of free surface flows--"]