The Numerical Modelling Of Nonlinear Stellar Pulsations
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The Numerical Modelling Of Nonlinear Stellar Pulsations
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Author : J. Robert Buchler
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
The Numerical Modelling Of Nonlinear Stellar Pulsations written by J. Robert Buchler 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 2012-12-06 with Science categories.
This interdisciplinary meeting has brought together a group of astrophysicists with hands-on experience in the numerical computation of astrophysical fluid dynamics, in particular nonlinear stellar pulsations, and a group of applied mathematicians who are actively engaged with the development of novel and improved numerical methods. The goal of the workshop has been for the astrophysicists to discuss in detail the numerical problems encountered in the modelling of stellar pulsations and for the mathematicians to present a survey of recent developments in numerical techniques. This astrophysical-mathematical intercourse will help the astrophysicists in the future development of more reliable and efficient codes, on the one hand, and it has introduced the mathematicians to an unfamiliar area which is a tough testing ground for their techniques. Since the difficulties encountered are common to other fluid dynamics problems, and are in fact perhaps more severe, fluid dynamicists in other research areas may fmd the results of this workshop of interest as well. Much of our theoretical understanding of the intricate and interesting behavior of variable stars rests on our ability to perform accurate numerical hydrodynamical computations of stellar models. Extensive calculations of nonlinear radial stellar pulsations with the use of increasingly powerful computers are showing more and more clearly that the numerical codes in current use have serious deficiencies.
Mercury
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Author : A. Balogh
language : en
Publisher: Springer Science & Business Media
Release Date : 2008-02-23
Mercury written by A. Balogh 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 2008-02-23 with Science categories.
This fascinating book reviews the progress made in Mercury studies since the flybys by Mariner 10 in 1974-75. Thus far, it is the only book on Mercury which balances a wide range of Earth-based observations, made under difficult conditions, with the only available space-based data. The text is based on continued research using the Mariner 10 archive, on observations from Earth, and on increasingly realistic models of this mysterious planet’s interior evolution.
New Perspectives On Stellar Pulsation And Pulsating Variable Stars
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Author : James M. Nemec
language : en
Publisher: Cambridge University Press
Release Date : 1993-10-21
New Perspectives On Stellar Pulsation And Pulsating Variable Stars written by James M. Nemec and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993-10-21 with Science categories.
How can the interior of the Sun, white dwarfs and other stars be studied by stellar seismology? What can Doppler imaging tell us about high-degree pulsations? What impact are CCD and infrared observations having on extending the Cepheid and RR Lyrae distance scale? And how are other classes of pulsators providing independent checks of the distance scale? These and many other critical questions are answered in this timely review of the dramatic advances made in pulsating star research in the last decade. This survey collects together more than thirty comprehensive reviews and over one hundred summaries of research papers from the 139th IAU Colloquium, held in Victoria, British Columbia. Together these cover all aspects of recent developments in the field of variable star research and preview some of the exciting advances anticipated for the next decade. This volume provides an essential review for graduate students and researchers.
Stellar Pulsation Nonlinear Studies
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Author : Mine Takeuti
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-03-09
Stellar Pulsation Nonlinear Studies written by Mine Takeuti 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 2013-03-09 with Science categories.
Stellar pulsations provide a complex system in stars. This complexity is studied by analyzing the non-sinusoidal, semi-regular, or irregular light curves. This unique volume summarizes the application of recent theoretical results obtained from stellar pulsation studies. In addition, the latest developments in hydrodynamic simulations are discussed. A historical sketch of the study of beat Cepheids, first known for their variable amplitudes, is given as an introduction to the book. This introduction clearly demonstrates how complicated the study of variable stars can be, and therefore challenges and invites the reader to study the entire book.
Numerical Modeling Of Coupled Phenomena In Science And Engineering
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Author : Mario César Suárez Arriaga
language : en
Publisher: CRC Press
Release Date : 2008-12-01
Numerical Modeling Of Coupled Phenomena In Science And Engineering written by Mario César Suárez Arriaga and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-12-01 with Technology & Engineering categories.
Mathematics is a universal language. Differential equations, mathematical modeling, numerical methods and computation form the underlying infrastructure of engineering and the sciences. In this context mathematical modeling is a very powerful tool for studying engineering problems, natural systems and human society. This interdisciplinary book cont
Cosmic Winds And The Heliosphere
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Author : Jack Randolph Jokipii
language : en
Publisher: University of Arizona Press
Release Date : 1997-10
Cosmic Winds And The Heliosphere written by Jack Randolph Jokipii and has been published by University of Arizona Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997-10 with Science categories.
Contributors examine the physics of wind origin and physical phenomena in winds, including heliospheric shocks, magnetohydrodynamic turbulence, and kinetic phenomena--and their interactions with surrounding media. Contributions range from studies of the interstellar cloud surrounding the solar system to solar wind interaction with comets.
Computational Methods For Astrophysical Fluid Flow
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Author : Randall J. LeVeque
language : en
Publisher: Springer Science & Business Media
Release Date : 2006-04-18
Computational Methods For Astrophysical Fluid Flow written by Randall J. LeVeque 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 2006-04-18 with Science categories.
This book leads directly to the most modern numerical techniques for compressible fluid flow, with special consideration given to astrophysical applications. Emphasis is put on high-resolution shock-capturing finite-volume schemes based on Riemann solvers. The applications of such schemes, in particular the PPM method, are given and include large-scale simulations of supernova explosions by core collapse and thermonuclear burning and astrophysical jets. Parts two and three treat radiation hydrodynamics. The power of adaptive (moving) grids is demonstrated with a number of stellar-physical simulations showing very crispy shock-front structures.
Physics And Chemistry Of Circumstellar Dust Shells
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Author : Hans-Peter Gail
language : en
Publisher: Cambridge University Press
Release Date : 2014
Physics And Chemistry Of Circumstellar Dust Shells written by Hans-Peter Gail and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014 with Science categories.
This book explores why dust forms around stars, and how to model stellar dust formation and dust-forming environments consistently.
Applying Fractals In Astronomy
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Author : Andre HECK
language : en
Publisher: Springer Science & Business Media
Release Date : 2008-09-11
Applying Fractals In Astronomy written by Andre HECK 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 2008-09-11 with Science categories.
'Fractal geometry addressesitselfto questions that many people have been asking themselves. It con cerns an aspect of Nature that almost everybody had been conscious of, but could not address in a formal fashion. ' 'Fractal geometry seems to be the proper language to describe the complezity of many very compli cated shapes around us. ' (Mandelbrot, 1990a) 'I believe that fractals respond to a profound un easiness in man. ' (Mandelbrot, 1990b) The catchword fractal, ever since it was coined by Mandelbrot (1975) to refer to a class of abstract mathematical objects that were already known at the turn ofthe 19th century, has found an unprecedented resonance both inside and outside the scientific community. Fractal concepts, far more than the concepts of catastrophe theory introduced a few years earlier, are currently being applied not only in the physical sciences, but also in biology and medicine (Goldberger and West 1987). In the mid-eighties, Kadanoff (1986) asked the question: 'Why all the fuss about /ractals'! '. He offered a twofold answer: in the first place, it is 'because of the practical, technological importance of fractal objects'. Indeed he emphasised the relevance of these structures for materials scientists and oil drilling engineers, in search of structures with novel properties, or models for the flow of oil through the soil. His second answer was: 'Because of the intellectual interest of fractals '.
Cellular Automata Prospects In Astrophysical Applications Proceedings Of The Workshop On Cellular Automata Models For Astrophysical Phenomena
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Author : A Lejeune
language : en
Publisher: World Scientific
Release Date : 1993-11-23
Cellular Automata Prospects In Astrophysical Applications Proceedings Of The Workshop On Cellular Automata Models For Astrophysical Phenomena written by A Lejeune and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993-11-23 with categories.
This book provides a survey of the basic ideas of the cellular automaton (CA) modelling environment, emphasising the relevance of this framework to astrophysical applications. It contains introductory level lectures on lattice gases, and on CA turbulence, diffusion-reaction processes, percolation and self-organised criticality. Further, it gives a variety of astrophysical applications, including stellar oscillations, galactic evolution, distribution of luminous matter in the universe, etc.