Written with students and professors in mind, Analysis of Queues: Methods and Applications combines coverage of classical queueing theory with recent advances in studying stochastic networks. Exploring a broad range of applications, the book contains plenty of solved problems, exercises, case studies, paradoxes, and numerical examples. In addition to the standard single-station and single class discrete queues, the book discusses models for multi-class queues and queueing networks as well as methods based on fluid scaling, stochastic fluid flows, continuous parameter Markov processes, and quasi-birth-and-death processes, to name a few. It describes a variety of applications including computer-communication networks, information systems, production operations, transportation, and service systems such as healthcare, call centers and restaurants.
Particle Physics and High Energy Physics have stagnated since the early 1970s. Now, the underlying principle of reductionism ? so sacred to twentieth-century physics ? is itself being questioned. This book examines these tumultuous developments that are leading to a paradigm shift and a new horizon for Physics.Presenting the new paradigm in fuzzy spacetime, this book is based on some 100 papers published in peer-reviewed journals including Foundations of Physics, Nuovo Cimento and The International Journal of Modern Physics (A&E), as well as two recently published books, The Chaotic Universe (Nova Science, New York) and The Universe of Fluctuations (Springer). The work had predicted correctly in advance epoch-turning observations, for example, that the Universe is accelerating with a small cosmological constant driven by dark energy when the prevalent line of thinking was the exact opposite. Similarly, the prediction of a minimum thermodynamic residual energy in the Universe has also been realized more recently. Further to a unified description of gravitation and electromagnetism via fluctuations, several other features are presented in complete agreement with experiments, in sharp contrast to the present ideas which are neither verifiable nor disprovable.
Thermal convection is often encountered by scientists and engineers while designing or analyzing flows involving exchange of energy. Fundamentals of Convective Heat Transfer is a unified text that captures the physical insight into convective heat transfer and thorough, analytical, and numerical treatments. It also focuses on the latest developments in the theory of convective energy and mass transport. Aimed at graduates, senior undergraduates, and engineers involved in research and development activities, the book provides new material on boiling, including nuances of physical processes. In all the derivations, step-by-step and systematic approaches have been followed.
These volume are an overview of the recent development in the challenging realm of the unification theory of Cosmology, Quantum gravity, Particle physics, General relativity and Gravitation. These volumes contain contributions from distinguished researchers worldwide. Theoretical and experimental physicists and philosophers will find this book a valuabled and essential resource.
Fluid mechanics continues to dominate the world of engineering. This book bridges the gap between first and higher level text books on the subject. It shows that the approximate approaches are essentially globally averaged versions of the local treatment, that in turn is covered in considerable detail in the second edition.
Freshly updated and extended version of Slope Analysis (Chowdhury, Elsevier, 1978). This reference book gives a complete overview of the developments in slope engineering in the last 30 years. Its multi-disciplinary, critical approach and the chapters devoted to seismic effects and probabilistic approaches and reliability analyses, reflect the distinctive style of the original. Subjects discussed are: the understanding of slope performance, mechanisms of instability, requirements for modeling and analysis, and new techniques for observation and modeling. Special attention is paid to the relation with the increasing frequency and consequences of natural and man-made hazards. Strategies and methods for assessing landslide susceptibility, hazard and risk are also explored. Moreover, the relevance of geotechnical analysis of slopes in the context of climate change scenarios is discussed. All theory is supported by numerous examples. ''...A wonderful book on Slope Stability....recommended as a refernence book to those who are associated with the geotechnical engineering profession (undergraduates, post graduates and consulting engineers)...'' Prof. Devendra Narain Singh, Indian Inst. of Technology, Mumbai, India ''I have yet to see a book that excels the range and depth of Geotechnical Slope Analysis... I have failed to find a topic which is not covered and that makes the book almost a single window outlet for the whole range of readership from students to experts and from theoreticians to practicing engineers...'' Prof. R.K. Bhandari, New Delhi, India
The Training and Visit (T&V) system of management was introduced in Kenya by the World Bank in 1982 as a pilot, which became effective in 1991. The two Bank Extension Projects that supported the T&V system sought to increase agricultural productivity and develop the institutions of the extension service. Whether the extension approach is effective or not became a subject for debate. The costs appear to be high and the impact on agricultural production low. This volume evaluates the impact of the system based on a credible body of empirical evidence. It identifies the system's deficiencies and makes recommendations for improvement.
This text presents a highly original treatment of the fundamentals of FEM, developed using computer algebra, based on undergraduate-level engineering mathematics and the mechanics of solids. The book is divided into two distinct parts of nine chapters and seven appendices. The first chapter reviews the energy concepts in structural mechanics with bar problems, which is continued in the next chapter for truss analysis using Mathematica programs. The Courant and Clough triangular elements for scalar potentials and linear elasticity are covered in chapters three and four, followed by four-node elements. Chapters five and six describe Taig’s isoparametric interpolants and Iron’s patch test. Rayleigh vector modes, which satisfy point-wise equilibrium, are elaborated on in chapter seven along with successful patch tests in the physical (x,y) Cartesian frame. Chapter eight explains point-wise incompressibility and employs (Moore-Penrose) inversion of rectangular matrices. The final chapter analyzes patch-tests in all directions and introduces five-node elements for linear stresses. Curved boundaries and higher order stresses are addressed in closed algebraic form. Appendices give a short introduction to Mathematica, followed by truss analysis using symbolic codes that could be used in all FEM problems to assemble element matrices and solve for all unknowns. All Mathematica codes for theoretical formulations and graphics are included with extensive numerical examples.
This undergraduate textbook on the key subject of geology closely follows the core curriculum adopted by most universities throughout the world and is a must for every geology student. It covers all aspects of petrology, including not only the principles of petrology but also applications to the origin, composition, and field relationships of rocks. Although petrology is commonly taught in the junior year, this book is a useful resource for graduate students as well.
Vibration of Periodic Structures introduces the fundamentals of the periodic structure theory. The book shows how knowledge of stop and pass bands can be utilized to develop a method for finding natural frequency distribution in a finite periodic structure. Basic concepts are then extended to wave propagation in infinitely long periodically supported beams and plates and the distribution of natural frequencies of a similar structure of finite length. The method is then extended to vibration of skin-stringer structures and the structural-acoustic properties of a section of an aircraft fuselage.This book is ideal for practicing engineers in various industries involved in the analysis of vibration of structures with periodic properties and prediction of supersonic flutter characteristics of said structures. Shows how the periodic structure theory can be combined with the finite element method to model a section of an airplane fuselage to study its structural-acoustic characteristics Features developing methods for predicting the dynamics of periodic structures in a cost-effective manner Guides the reader in predicting and reducing response of periodically stiffened structures to random excitations
Thank you for visiting our website. Would you like to provide feedback on how we could improve your experience?
This site does not use any third party cookies with one exception — it uses cookies from Google to deliver its services and to analyze traffic.Learn More.