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Books > Science & Mathematics > Mathematics > Applied mathematics > General

Mathematical Demography - Selected Papers (Hardcover, 2nd ed. 2013): David P Smith, Nathan Keyfitz Mathematical Demography - Selected Papers (Hardcover, 2nd ed. 2013)
David P Smith, Nathan Keyfitz; Edited by Kenneth W. Wachter, Herv e Le Bras
R4,676 Discovery Miles 46 760 Ships in 10 - 15 working days

Mathematical demography is the centerpiece of quantitative social science. The founding works of this field from Roman times to the late Twentieth Century are collected here, in a new edition of a classic work by David R. Smith and Nathan Keyfitz. Commentaries by Smith and Keyfitz have been brought up to date and extended by Kenneth Wachter and Herve Le Bras, giving a synoptic picture of the leading achievements in formal population studies. Like the original collection, this new edition constitutes an indispensable source for students and scientists alike, and illustrates the deep roots and continuing vitality of mathematical demography.

Mathematical Methods for Financial Markets (Hardcover, 2009 ed.): Monique Jeanblanc, Marc Yor, Marc Chesney Mathematical Methods for Financial Markets (Hardcover, 2009 ed.)
Monique Jeanblanc, Marc Yor, Marc Chesney
R3,400 Discovery Miles 34 000 Ships in 10 - 15 working days

Mathematical finance has grown into a huge area of research which requires a large number of sophisticated mathematical tools. This book simultaneously introduces the financial methodology and the relevant mathematical tools in a style that is mathematically rigorous and yet accessible to practitioners and mathematicians alike. It interlaces financial concepts such as arbitrage opportunities, admissible strategies, contingent claims, option pricing and default risk with the mathematical theory of Brownian motion, diffusion processes, and Levy processes. The first half of the book is devoted to continuous path processes whereas the second half deals with discontinuous processes.

The extensive bibliography comprises a wealth of important references and the author index enables readers quickly to locate where the reference is cited within the book, making this volume an invaluable tool both for students and for those at the forefront of research and practice."

Mathematical and Numerical Foundations of Turbulence Models and Applications (Hardcover, 2014 ed.): Tomas Chacon Rebollo, Roger... Mathematical and Numerical Foundations of Turbulence Models and Applications (Hardcover, 2014 ed.)
Tomas Chacon Rebollo, Roger Lewandowski
R4,104 Discovery Miles 41 040 Ships in 18 - 22 working days

With applications to climate, technology, and industry, the modeling and numerical simulation of turbulent flows are rich with history and modern relevance. The complexity of the problems that arise in the study of turbulence requires tools from various scientific disciplines, including mathematics, physics, engineering and computer science.

Authored by two experts in the area with a long history of collaboration, this monograph provides a current, detailed look at several turbulence models from both the theoretical and numerical perspectives. The k-epsilon, large-eddy simulation and other models are rigorously derived and their performance is analyzed using benchmark simulations for real-world turbulent flows.

"Mathematical and Numerical Foundations of Turbulence Models and Applications" is an ideal reference for students in applied mathematics and engineering, as well as researchers in mathematical and numerical fluid dynamics. It is also a valuable resource for advanced graduate students in fluid dynamics, engineers, physical oceanographers, meteorologists and climatologists.

Deformed Spacetime - Geometrizing Interactions in Four and Five Dimensions (Hardcover, 2007 ed.): Fabio Cardone, Roberto Mignani Deformed Spacetime - Geometrizing Interactions in Four and Five Dimensions (Hardcover, 2007 ed.)
Fabio Cardone, Roberto Mignani
R4,291 Discovery Miles 42 910 Ships in 18 - 22 working days

This volume provides a detailed discussion of the mathematical aspects and the physical applications of a new geometrical structure of space-time, based on a generalization ("deformation") of the usual Minkowski space, as supposed to be endowed with a metric whose coefficients depend on the energy.

Such a formalism (Deformed Special Relativity, DSR) allows one

  • to account for breakdown of local Lorentz invariance in the usual, special-relativistic meaning (however, Lorentz invariance is recovered in a generalized sense)
  • to provide an effective geometrical description of the four fundamental interactions (electromagnetic, weak, strong and gravitational)

Moreover, the four-dimensional energy-dependent space-time is just a manifestation of a larger, five-dimensional space in which energy plays the role of a fifth (non-compactified) dimension. This new five-dimensional scheme (Deformed Relativity in Five Dimensions, DR5) represents a true generalization of the usual Kaluza-Klein (KK) formalism.

The mathematical properties of such a generalized KK scheme are illustrated. They include the solutions of the five-dimensional Einstein equations in vacuum in most cases of physical relevance, the infinitesimal symmetries of the theory for the phenomenological metrics of the four interactions, and the study of the five-dimensional geodesics.

The mathematical results concerning the geometry of the deformed five-dimensional spacetime (like its Killing symmetries) can be applied also to other multidimensional theories with infinite extra dimensions. Some experiments providing preliminary evidence for the hypothesized deformation of space-time for all thefour fundamental interactions are discussed.

Single-Facility Location Problems with Barriers (Hardcover, 2002 ed.): Kathrin Klamroth Single-Facility Location Problems with Barriers (Hardcover, 2002 ed.)
Kathrin Klamroth
R1,521 Discovery Miles 15 210 Ships in 18 - 22 working days

Growing transportation costs and tight delivery schedules mean that good located decisions are more crucial than ever in the success or failure of industrial and puplic projects. The development of realistic location models is an essential phase in every locational decision process. Especially when dealing with geometric representations of continuous (planar) location model problems, the goegraphical reality must be incorporated. This text develops the mathematical implications of barriers to the geometrical and analytical characteristics of continuous location problems. Besides their relevance in the application of location theoretic results, location problems with barriers are also very interesting from a mathematical point of view. The nonconvexity of distance measures in the presence of barriers leads to nonconvex optimization problems. Most of the classical methods in continuous location theory rely heaily on the convexity of the objective function and will thus fail in this context. On the other hand, general methods in global optimization capable of treating nonconvex problems ignore the geometric charateristics of the location problems considered. Theoretic as well as algorithmic approaches are utilized to overcome the described difficulties for the solution of location problems with barriers. Depending on the barrier shapes, the underlying distance measure, and type of objective function, different concepts are conceived to handle the nonconvexity of the problem. This book will appeal to those working in operations research and management science and mathematicians interested in optimization theory and its applications.

Progress in Mathematical Relativity, Gravitation and Cosmology - Proceedings of the Spanish Relativity Meeting ERE2012,... Progress in Mathematical Relativity, Gravitation and Cosmology - Proceedings of the Spanish Relativity Meeting ERE2012, University of Minho, Guimaraes, Portugal, September 3-7, 2012 (Hardcover, 2014 ed.)
Alfonso Garcia-Parrado, Filipe C. Mena, Filipe Moura, Estelita Vaz
R5,516 R4,925 Discovery Miles 49 250 Save R591 (11%) Ships in 10 - 15 working days

This book contains contributions from the Spanish Relativity Meeting, ERE 2012, held in" "Guimaraes, Portugal, September 2012. It features more than 70 papers on a range of topics in general relativity and gravitation, from mathematical cosmology, numerical relativity and black holes to string theory and quantum gravity.

Under the title "Progress in Mathematical Relativity, Gravitation and Cosmology," ERE 2012 was attended by an exceptional international list of over a hundred participants from the five continents and over forty countries. ERE is organized every year by one of the Spanish or Portuguese groups working in this area and is supported by the Spanish Society of Gravitation and Relativity (SEGRE).

This book will be of interest to researchers in mathematics and physics.

"

Cognitive Intelligence with Neutrosophic Statistics in Bioinformatics (Paperback): Florentin Smarandache, Muhammad Aslam Cognitive Intelligence with Neutrosophic Statistics in Bioinformatics (Paperback)
Florentin Smarandache, Muhammad Aslam
R2,952 Discovery Miles 29 520 Ships in 10 - 15 working days

Cognitive Intelligence with Neutrosophic Statistics in Bioinformatics investigates and presents the many applications that have arisen in the last ten years using neutrosophic statistics in bioinformatics, medicine, agriculture and cognitive science. This book will be very useful to the scientific community, appealing to audiences interested in fuzzy, vague concepts from which uncertain data are collected, including academic researchers, practicing engineers and graduate students. Neutrosophic statistics is a generalization of classical statistics. In classical statistics, the data is known, formed by crisp numbers. In comparison, data in neutrosophic statistics has some indeterminacy. This data may be ambiguous, vague, imprecise, incomplete, and even unknown. Neutrosophic statistics refers to a set of data, such that the data or a part of it are indeterminate in some degree, and to methods used to analyze the data.

Numerical Mathematics and Advanced Applications - Proceedings of ENUMATH 2007, the 7th European Conference on Numerical... Numerical Mathematics and Advanced Applications - Proceedings of ENUMATH 2007, the 7th European Conference on Numerical Mathematics and Advanced Applications, Graz, Austria, September 2007 (Hardcover, 2008 ed.)
Karl Kunisch, Gunther Of, Olaf Steinbach
R2,829 Discovery Miles 28 290 Ships in 18 - 22 working days

The European Conference on Numerical Mathematics and Advanced Applications (ENUMATH) is a series of conferences held every two years to provide a forum for discussion on recent aspects of numerical mathematics and their applications. The ?rst ENUMATH conference was held in Paris (1995), and the series continued by the one in Heidelberg (1997), Jyvaskyla (1999), Ischia (2001), Prague (2003), and Santiago de Compostela (2005). This volume contains a selection of invited plenary lectures, papers presented in minisymposia, and contributed papers of ENUMATH 2007, held in Graz, Austria, September 10-14, 2007. We are happy that so many people have shown their interest in this conference. In addition to the ten invited presentations and the public lecture, we had more than 240 talks in nine minisymposia and ?fty four sessions of contributed talks, and about 316 participants from all over the world, specially from Europe. A total of 98 contributions appear in these proceedings. Topics include theoretical aspects of new numerical techniques and algorithms, as well as to applications in engineering and science. The book will be useful for a wide range of readers, giving them an excellent overview of the most modern methods, techniques, algorithms and results in numerical mathematics, scienti?c computing and their applications. We would like to thank all the participants for the attendance and for their va- ablecontributionsanddiscussionsduringtheconference.Specialthanksgothe m- isymposium organizers, who made a large contribution to the conference, the chair persons, and all speakers.

A Global Kinetic Model for Electron Radiation Belt Formation and Evolution (Hardcover, 2015 ed.): Zhenpeng Su A Global Kinetic Model for Electron Radiation Belt Formation and Evolution (Hardcover, 2015 ed.)
Zhenpeng Su
R2,653 Discovery Miles 26 530 Ships in 18 - 22 working days

This thesis focuses on the construction and application of an electron radiation belt kinetic model including various adiabatic and non-adiabatic processes. The terrestrial radiation belt was discovered over 50 years ago and has received a resurgence of interest in recent years. The main drivers of radiation belt research are the fundamental science questions surrounding its complex and dramatic dynamics and particularly its potential hazards posed to space-borne systems. The establishment of physics-based radiation belt models will be able to identify the contributions of various mechanisms, forecast the future radiation belt evolution and then mitigate its adverse space weather effects. Dr. Su is now an Professor works in Department of Geophysics and Planetary Sciences, University of Science and Technology of China, Hefei, China.

Form Symmetries and Reduction of Order in Difference Equations (Paperback): Hassan Sedaghat Form Symmetries and Reduction of Order in Difference Equations (Paperback)
Hassan Sedaghat
R1,988 Discovery Miles 19 880 Ships in 10 - 15 working days

Form Symmetries and Reduction of Order in Difference Equations presents a new approach to the formulation and analysis of difference equations in which the underlying space is typically an algebraic group. In some problems and applications, an additional algebraic or topological structure is assumed in order to define equations and obtain significant results about them. Reflecting the author's past research experience, the majority of examples involve equations in finite dimensional Euclidean spaces. The book first introduces difference equations on groups, building a foundation for later chapters and illustrating the wide variety of possible formulations and interpretations of difference equations that occur in concrete contexts. The author then proposes a systematic method of decomposition for recursive difference equations that uses a semiconjugate relation between maps. Focusing on large classes of difference equations, he shows how to find the semiconjugate relations and accompanying factorizations of two difference equations with strictly lower orders. The final chapter goes beyond semiconjugacy by extending the fundamental ideas based on form symmetries to nonrecursive difference equations. With numerous examples and exercises, this book is an ideal introduction to an exciting new domain in the area of difference equations. It takes a fresh and all-inclusive look at difference equations and develops a systematic procedure for examining how these equations are constructed and solved.

Linear and Nonlinear Programming - Second Edition (Hardcover, 2nd ed. 2003): David G. Luenberger Linear and Nonlinear Programming - Second Edition (Hardcover, 2nd ed. 2003)
David G. Luenberger
R3,382 Discovery Miles 33 820 Ships in 18 - 22 working days

The original edition of this book was celebrated for its coverage of the central concepts of practical optimization techniques. This updated edition expands and illuminates the connection between the purely analytical character of an optimization problem, expressed by properties of the necessary conditions, and the behavior of algorithms used to solve a problem. Incorporating modern theoretical insights, this classic text is even more useful.

Robustness in Econometrics (Hardcover, 1st ed. 2017): Vladik Kreinovich, Songsak Sriboonchitta, Van-Nam Huynh Robustness in Econometrics (Hardcover, 1st ed. 2017)
Vladik Kreinovich, Songsak Sriboonchitta, Van-Nam Huynh
R4,891 Discovery Miles 48 910 Ships in 18 - 22 working days

This book presents recent research on robustness in econometrics. Robust data processing techniques - i.e., techniques that yield results minimally affected by outliers - and their applications to real-life economic and financial situations are the main focus of this book. The book also discusses applications of more traditional statistical techniques to econometric problems. Econometrics is a branch of economics that uses mathematical (especially statistical) methods to analyze economic systems, to forecast economic and financial dynamics, and to develop strategies for achieving desirable economic performance. In day-by-day data, we often encounter outliers that do not reflect the long-term economic trends, e.g., unexpected and abrupt fluctuations. As such, it is important to develop robust data processing techniques that can accommodate these fluctuations.

Audio Technology, Music, and Media - From Sound Wave to Reproduction (Hardcover, 1st ed. 2021): Julian Ashbourn Audio Technology, Music, and Media - From Sound Wave to Reproduction (Hardcover, 1st ed. 2021)
Julian Ashbourn
R1,634 Discovery Miles 16 340 Ships in 18 - 22 working days

This book provides a true A to Z of recorded sound, from its inception to the present day, outlining how technologies, techniques, and social attitudes have changed things, noting what is good and what is less good. The author starts by discussing the physics of sound generation and propagation. He then moves on to outline the history of recorded sound and early techniques and technologies, such as the rise of multi-channel tape recorders and their impact on recorded sound. He goes on to debate live sound versus recorded sound and why there is a difference, particularly with classical music. Other topics covered are the sound of real instruments and how that sound is produced and how to record it; microphone techniques and true stereo sound; digital workstations, sampling, and digital media; and music reproduction in the home and how it has changed. The author wraps up the book by discussing where we should be headed for both popular and classical music recording and reproduction, the role of the Audio Engineer in the 21st century, and a brief look at technology today and where it is headed. This book is ideal for anyone interested in recorded sound. "[Julian Ashbourn] strives for perfection and reaches it through his recordings... His deep knowledge of both technology and music is extensive and it is with great pleasure that I see he is passing this on for the benefit of others. I have no doubt that this book will be highly valued by many in the music industry, as it will be by me." -- Claudio Di Meo, Composer, Pianist and Principal Conductor of The Kensington Philharmonic Orchestra, The Hemel Symphony Orchestra and The Lumina Choir

From Particle Systems to Partial Differential Equations - PSPDE IV, Braga, Portugal, December 2015 (Hardcover, 1st ed. 2017):... From Particle Systems to Partial Differential Equations - PSPDE IV, Braga, Portugal, December 2015 (Hardcover, 1st ed. 2017)
Patricia Goncalves, Ana Jacinta Soares
R4,709 Discovery Miles 47 090 Ships in 10 - 15 working days

"This book addresses mathematical problems motivated by various applications in physics, engineering, chemistry and biology. It gathers the lecture notes from the mini-course presented by Jean-Christophe Mourrat on the construction of the various stochastic "basic" terms involved in the formulation of the dynamic OE4 theory in three space dimensions, as well as selected contributions presented at the fourth meeting on Particle Systems and PDEs, which was held at the University of Minho's Centre of Mathematics in December 2015. The purpose of the conference was to bring together prominent researchers working in the fields of particle systems and partial differential equations, offering them a forum to present their recent results and discuss their topics of expertise. The meeting was also intended to present to a vast and varied public, including young researchers, the area of interacting particle systems, its underlying motivation, and its relation to partial differential equations. The book will be of great interest to probabilists, analysts, and all mathematicians whose work focuses on topics in mathematical physics, stochastic processes and differential equations in general, as well as physicists working in statistical mechanics and kinetic theory."

Distributed Coordination of Multi-agent Networks - Emergent Problems, Models, and Issues (Hardcover, 2011 Ed.): Wei Ren,... Distributed Coordination of Multi-agent Networks - Emergent Problems, Models, and Issues (Hardcover, 2011 Ed.)
Wei Ren, Yongcan Cao
R4,059 Discovery Miles 40 590 Ships in 18 - 22 working days

Multi-agent systems have numerous civilian, homeland security, and military applications; however, for all these applications, communication bandwidth, sensing range, power constraints, and stealth requirements preclude centralized command and control. The alternative is distributed coordination, which is more promising in terms of scalability, robustness, and flexibility. Distributed Coordination of Multi-agent Networks introduces problems, models, and issues such as collective periodic motion coordination, collective tracking with a dynamic leader, and containment control with multiple leaders, and explores ideas for their solution. Solving these problems extends the existing application domains of multi-agent networks; for example, collective periodic motion coordination is appropriate for applications involving repetitive movements, collective tracking guarantees tracking of a dynamic leader by multiple followers in the presence of reduced interaction and partial measurements, and containment control enables maneuvering of multiple followers by multiple leaders. The authors models for distributed coordination arise from physical constraints and the complex environments in which multi-agent systems operate; they include Lagrangian models more realistic for mechanical-systems modeling than point models and fractional-order systems which better represent the consequences of environmental complexity. Other issues addressed in the text include the time delays inherent in networked systems, optimality concerns associated with the deisgn of energy-efficent algorithms, and the use of sampled-data settings in systems with intermittent neightbor-neighbor contact. Researchers, graduate students, and engineers interested in the field of multi-agent systems will find this monograph useful in introducing them to presently emerging research directions and problems in distributed coordination of multi-agent networks. The Communications and Control Engineering series reports major technological advances which have potential for great impact in the fields of communication and control. It reflects research in industrial and academic institutions around the world so that the readership can exploit new possibilities as they become available.

Multivariate Statistical Inference and Application (Hardcover, New): A.C. Rencher Multivariate Statistical Inference and Application (Hardcover, New)
A.C. Rencher
R4,892 Discovery Miles 48 920 Ships in 18 - 22 working days

The most accessible introduction to the theory and practice of multivariate analysis

Multivariate Statistical Inference and Applications is a user-friendly introduction to basic multivariate analysis theory and practice for statistics majors as well as nonmajors with little or no background in theoretical statistics. Among the many special features of this extremely accessible first text on multivariate analysis are:

  • Clear, step-by-step explanations of all key concepts and procedures along with original, easy-to-follow proofs
  • Numerous problems, examples, and tables of distributions
  • Many real-world data sets drawn from a wide range of disciplines
  • Reviews of univariate procedures that give rise to multivariate techniques
  • An extensive survey of the world literature on multivariate analysis
  • An in-depth review of matrix theory
  • A disk including all the data sets and SAS command files for all examples and numerical problems found in the book

These same features also make Multivariate Statistical Inference and Applications an excellent professional resource for scientists and clinicians who need to acquaint themselves with multivariate techniques. It can be used as a stand-alone introduction or in concert with its more methods-oriented sibling volume, the critically acclaimed Methods of Multivariate Analysis.

Fractional Signals and Systems (Hardcover): Manuel Duarte Ortigueira, Duarte Valerio Fractional Signals and Systems (Hardcover)
Manuel Duarte Ortigueira, Duarte Valerio
R4,192 Discovery Miles 41 920 Ships in 10 - 15 working days

The book illustrates the theoretical results of fractional derivatives via applications in signals and systems, covering continuous and discrete derivatives, and the corresponding linear systems. Both time and frequency analysis are presented. Some advanced topics are included like derivatives of stochastic processes. It is an essential reference for researchers in mathematics, physics, and engineering.

Cells and Robots - Modeling and Control of Large-Size Agent Populations (Hardcover, 2007 ed.): Dejan Lj Milutinovic, Pedro U.... Cells and Robots - Modeling and Control of Large-Size Agent Populations (Hardcover, 2007 ed.)
Dejan Lj Milutinovic, Pedro U. Lima
R2,642 Discovery Miles 26 420 Ships in 18 - 22 working days

This monograph has arisen from the multidisciplinary research extending over biology, robotics and hybrid systems theory. It is inspired by modeling reactive behavior of the immune system cell population, where each cell is considered an independent agent. The authors formulate the optimal control of maximizing the probability of robotic presence in a given region and discuss the application of the Minimum Principle for partial differential equations to this problem.

Symmetry and Symmetry-Breaking in Semiconductors - Fine Structure of Exciton States (Hardcover, 1st ed. 2018): Bernd... Symmetry and Symmetry-Breaking in Semiconductors - Fine Structure of Exciton States (Hardcover, 1st ed. 2018)
Bernd Hoenerlage, Ivan Pelant
R2,901 Discovery Miles 29 010 Ships in 18 - 22 working days

This book discusses group theory investigations of zincblende and wurtzite semiconductors under symmetry-breaking conditions. The text presents the group theory elements required to develop a multitude of symmetry-breaking problems, giving scientists a fast track to bypass the need for recalculating electronic states. The text is not only a valuable resource for speeding up calculations but also illustrates the construction of effective Hamiltonians for a chosen set of electronic states in crystalline semiconductors. Since Hamiltonians have to be invariant under the transformations of the point group, the crystal symmetry determines the multiplet structure of these states in the presence of spin-orbit, crystal-field, or exchange interactions. Symmetry-breaking leads to additional coupling of the states, resulting in shifts and/or splittings of the multiplets. Such interactions may be intrinsic, as in the case of the quasi-particle dispersion, or extrinsic, induced by magnetic, electric, or strain fields. Using a power expansion of the perturbations these interaction terms can be determined in their parameterized form in a unique way. The hierarchic structure of this invariant development allows to estimate the importance of particular symmetry-breaking effects in the Hamiltonian. A number of selected experimental curves are included to illustrate the symmetry-based discussions, which are especially important in optical spectroscopy. This text is written for graduate students and researchers who want to understand and simulate experimental findings reflecting the fine structure of electronic or excitonic states in crystalline semiconductors.

Numerical Methods with Worked Examples: Matlab Edition (Hardcover, 2nd ed. 2012): C. Woodford, C. Phillips Numerical Methods with Worked Examples: Matlab Edition (Hardcover, 2nd ed. 2012)
C. Woodford, C. Phillips
R1,542 Discovery Miles 15 420 Ships in 18 - 22 working days

This book is for students following an introductory course in numerical methods, numerical techniques or numerical analysis. It introduces MATLAB as a computing environment for experimenting with numerical methods. It approaches the subject from a pragmatic viewpoint; theory is kept at a minimum commensurate with comprehensive coverage of the subject and it contains abundant worked examples which provide easy understanding through a clear and concise theoretical treatment. This edition places even greater emphasis on 'learning by doing' than the previous edition.

Fully documented MATLAB code for the numerical methods described in the book will be available as supplementary material to the book on http: //extras.springer.com

"

Analyses of Turbulence in the Neutrally and Stably Stratified Planetary Boundary Layer (Hardcover, 1st ed. 2017): Cedrick... Analyses of Turbulence in the Neutrally and Stably Stratified Planetary Boundary Layer (Hardcover, 1st ed. 2017)
Cedrick Ansorge
R3,290 Discovery Miles 32 900 Ships in 10 - 15 working days

This thesis presents a study of strong stratification and turbulence collapse in the planetary boundary layer, opening a new avenue in this field. It is the first work to study all regimes of stratified turbulence in a unified simulation framework without a break in the paradigms for representation of turbulence. To date, advances in our understanding and the parameterization of turbulence in the stable boundary layer have been hampered by difficulties simulating the strongly stratified regime, and the analysis has primarily been based on field measurements. The content presented here changes that paradigm by demonstrating the ability of direct numerical simulation to address this problem, and by doing so to remove the uncertainty of turbulence models from the analysis. Employing a stably stratified Ekman layer as a simplified physical model of the stable boundary layer, the three stratification regimes observed in nature- weakly, intermediately and strongly stratified-are reproduced, and the data is subsequently used to answer key, long-standing questions. The main part of the book is organized in three sections, namely a comprehensive introduction, numerics, and physics. The thesis ends with a clear and concise conclusion that distills specific implications for the study of the stable boundary layer. This structure emphasizes the physical results, but at the same time gives relevance to the technical aspects of numerical schemes and post-processing tools. The selection of the relevant literature during the introduction, and its use along the work appropriately combines literature from two research communities: fluid dynamics, and boundary-layer meteorology.

Computational Modeling and Problem Solving in the Networked World - Interfaces in Computer Science and Operations Research... Computational Modeling and Problem Solving in the Networked World - Interfaces in Computer Science and Operations Research (Hardcover, 2003 ed.)
Hemant K. Bhargava, Nong Ye
R4,190 Discovery Miles 41 900 Ships in 18 - 22 working days

This book is a compilation of a selected subset of research articles presented at the Eighth INFORMS Computing Society Conference, held in Chandler, Arizona, from January 8 to 10, 2003. The articles in this book represent the diversity and depth of the interface between ORiMS (operations research and the management sciences) and CS/AI (computer science and artificial intelligence ). This volume starts with two papers that represent the reflective and integrative thinking that is critical to any scientific discipline. These two articles present philosophical perspectives on computation, covering a variety of traditional and newer methods for modeling, solving, and explaining mathematical models. The next set includes articles that study machine learning and computational heuristics, and is followed by articles that address issues in performance testing of solution algorithms and heuristics. These two sets of papers demonstrate the richness of thought that takes place at the ORiMS and CSI AI interface. The final set of articles demonstrates the usefulness of these and other methods at the interface towards solving problems in the real world, covering e-commerce, workflow, electronic negotiation, music, parallel computation, and telecommunications. The articles in this collection represent the results of cross-fertilization between ORiMS and CSI AI, making possible advances that could have not been achieved in isolation. The continuing aim ofthe INFORMS Computing Society and this research conference is to invigorate and further develop this interface.

Thermodynamics, Gibbs Method and Statistical Physics of Electron Gases (Hardcover, 2010 Ed.): Bahram M. Askerov, Sophia Figarova Thermodynamics, Gibbs Method and Statistical Physics of Electron Gases (Hardcover, 2010 Ed.)
Bahram M. Askerov, Sophia Figarova
R4,077 Discovery Miles 40 770 Ships in 18 - 22 working days

Thermodynamicsandstatisticalphysicsstudythephysicalproperties(mec- nical, thermal, magnetic, optical, electrical, etc.) of the macroscopic system. The tasks and objects of study in thermodynamics and statistical physics are identical. However, the methods of investigationinto macroscopicsystems are di?erent. Thermodynamics is a phenomenological theory. It studies the properties of bodies, without going into the mechanism of phenomena, i.e., not taking into consideration the relation between the internal structure of substance and phenomena, it generalizes experimental results. As a result of such a g- eralization, postulates and laws of thermodynamics made their appearance. These laws make it possible to ?nd general relations between the di?erent properties of macroscopic systems and the physical events occurring in them. Statisticalphysicsisa microscopic theory.Onthebasisoftheknowledgeof the type of particles a system consists of, the nature of their interaction, and thelawsofmotionoftheseparticlesissuingfromtheconstructionofsubstance, it explains the properties being observedon experiment, and predicts the new properties of systems. Using the laws of classical or quantum mechanics, and alsothe theoryofprobability, itestablishesqualitativelynewstatistical app- priatenesses of the physical properties of macroscopic systems, substantiates the laws of thermodynamics, determines the limits of their applicability, gives the statistical interpretation of thermodynamic parameters, and also works out methods of calculations of their means. The Gibbs method is based on statisticalphysics.Thismethodis themostcanonical.Therefore, inthis book, the exposition of the Gibbs method takes an important pla

Science Outside the Laboratory - Measurement in Field Science and Economics (Hardcover): Marcel Boumans Science Outside the Laboratory - Measurement in Field Science and Economics (Hardcover)
Marcel Boumans
R2,252 Discovery Miles 22 520 Ships in 10 - 15 working days

The conduct of most of social science occurs outside the laboratory. Such studies in field science explore phenomena that cannot for practical, technical, or ethical reasons be explored under controlled conditions. These phenomena cannot be fully isolated from their environment or investigated by manipulation or intervention. Yet measurement, including rigorous or clinical measurement, does provide analysts with a sound basis for discerning what occurs under field conditions, and why. Science Outside the Laboratory explores the state of measurement theory, its reliability, and the role expert judgment plays in field investigations from the perspective of the philosophy of science. Its discussion of the problems of passive observation, the calculus of observation, the two-model problem, and model-based consensus uses illustrations drawn primarily from economics. The treatment clarifies the extent to which measurement provides valid information about objects and events in field sciences, but also has implications for measurement in the laboratory.

DESider - A European Effort on Hybrid RANS-LES Modelling - Results of the European-Union Funded Project, 2004 - 2007... DESider - A European Effort on Hybrid RANS-LES Modelling - Results of the European-Union Funded Project, 2004 - 2007 (Hardcover, 2009 ed.)
Werner Haase, Marianna Braza, Alistair Revell
R5,213 Discovery Miles 52 130 Ships in 18 - 22 working days

Preface "In aircraft design, efficiency is determined by the ability to accurately and rel- bly predict the occurrence of, and to model the development of, turbulent flows. Hence, the main objective in industrial computational fluid dynamics (CFD) is to increase the capabilities for an improved predictive accuracy for both complex flows and complex geometries". This text part taken from Haase et al (2006), - scribing the results of the DESider predecessor project "FLOMANIA" is still - and will be in future valid. With an ever-increasing demand for faster, more reliable and cleaner aircraft, flight envelopes are necessarily shifted into areas of the flow regimes exhibiting highly unsteady and, for military aircraft, unstable flow behaviour. This undou- edly poses major new challenges in CFD; generally stated as an increased pred- tive accuracy whist retaining "affordable" computation times. Together with highly resolved meshes employing millions of nodes, numerical methods must have the inherent capability to predict unsteady flows. Although at present, (U)RANS methods are likely to remain as the workhorses in industry, the DESider project focussed on the development and combination of these approaches with LES methods in order to "bridge" the gap between the much more expensive (due to high Reynolds numbers in flight), but more accurate (full) LES.

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