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Moving Boundaries V by B. Šarler,C. A. Brebbia,H. Power Pdf
"This book contains papers presented at the Fifh International Conference on Computational Modelling of Free and Moving Boundary Problems, held at Bistra Castle, Slovenia, in the early summer of 1999"--Pref.
Moving Boundaries in Translation Studies by Helle V. Dam,Matilde Nisbeth Brøgger,Karen Korning Zethsen Pdf
Translation is in motion. Technological developments, digitalisation and globalisation are among the many factors affecting and changing translation and, with it, translation studies. Moving Boundaries in Translation Studies offers a bird’s-eye view of recent developments and discusses their implications for the boundaries of the discipline. With 15 chapters written by leading translation scholars from around the world, the book analyses new translation phenomena, new practices and tools, new forms of organisation, new concepts and names as well as new scholarly approaches and methods. This is key reading for scholars, researchers and advanced students of translation and interpreting studies. The Open Access version of this book, available at http://www.taylorfrancis.com, has been made available under a Creative Commons Attribution-Non Commercial-No Derivatives 4.0 license
Free and Moving Boundaries by Roland Glowinski,Jean-Paul Zolesio Pdf
Addressing algebraic problems found in biomathematics and energy, Free and Moving Boundaries: Analysis, Simulation and Control discusses moving boundary and boundary control in systems described by partial differential equations (PDEs). With contributions from international experts, the book emphasizes numerical and theoretical control of mo
IUTAM Symposium on Recent Advances in Moving Boundary Problems in Mechanics by Stefanie Gutschmidt,James N. Hewett,Mathieu Sellier Pdf
Many problems in mechanics involve deformable domains with moving boundaries, including fluid-structure interaction, multiphase flows, flows over soft tissues and textiles, or flows involving accretion/erosion to name but a few. The presence of a moving boundary presents considerable challenges when it comes to modelling and understanding the underlying system dynamics. This proceedings volume collects contributions made at the IUTAM Symposium on Recent Advances in Moving Boundary Problems in Mechanics held in Christchurch, New Zealand in February 2018.
Fluid Structure Interaction and Moving Boundary Problems IV by Subrata Kumar Chakrabarti,C. A. Brebbia Pdf
Publishing papers presented at the Fourth International Conference on Fluid Structure Interactions, this book features contributions from experts specialising in this field on new ideas and the latest techniques. A valuable addition to this successful series and will be of great interest to mechanical and structural engineers, offshore engineers, earthquake engineers, naval engineers and any other experts involved in topics related to fluid structure interaction. Topics covered include: Hydrodynamic Forces; Response of Structures including Fluid Dynamic; Offshore Structure and Ship Dynamics; Fluid Pipeline Interactions; Structure Response to Serve Shock and Blast Loading; Vortex Shedding and Flow Induced Vibrations; Cavitations Effects in Turbo Machines and Pumps; Wind Effects on Bridges and Tall Structures; Mechanics of Cables, Rivers and Moorings; Building Biofluids and Biological Tissue Interaction Problems in CFD; Experimental Studies and Validation; Vibrations and Noise; Free Surface Flows and Moving Boundary Problems.
Author : W. R. Rathkamp,P. S. Baker Publisher : Unknown Page : 14 pages File Size : 47,7 Mb Release : 1954 Category : Electric current regulators ISBN : UOM:39015086409953
Grain Boundary Migration in Metals by Gunter Gottstein,Lasar S. Shvindlerman Pdf
A major goal of materials science is to create new engineering materials and optimize their cost and performance. Understanding how adjacent materials behave at their borders is an essential part of this process. Grain boundaries are the longest-known crystal defects, but although they were discovered in the mid-eighteenth century, until quite rece
Brownian Dynamics at Boundaries and Interfaces by Zeev Schuss Pdf
Brownian dynamics serve as mathematical models for the diffusive motion of microscopic particles of various shapes in gaseous, liquid, or solid environments. The renewed interest in Brownian dynamics is due primarily to their key role in molecular and cellular biophysics: diffusion of ions and molecules is the driver of all life. Brownian dynamics simulations are the numerical realizations of stochastic differential equations that model the functions of biological micro devices such as protein ionic channels of biological membranes, cardiac myocytes, neuronal synapses, and many more. Stochastic differential equations are ubiquitous models in computational physics, chemistry, biophysics, computer science, communications theory, mathematical finance theory, and many other disciplines. Brownian dynamics simulations of the random motion of particles, be it molecules or stock prices, give rise to mathematical problems that neither the kinetic theory of Maxwell and Boltzmann, nor Einstein’s and Langevin’s theories of Brownian motion could predict. This book takes the readers on a journey that starts with the rigorous definition of mathematical Brownian motion, and ends with the explicit solution of a series of complex problems that have immediate applications. It is aimed at applied mathematicians, physicists, theoretical chemists, and physiologists who are interested in modeling, analysis, and simulation of micro devices of microbiology. The book contains exercises and worked out examples throughout.
Computational Fluid Dynamics with Moving Boundaries by Wei Shyy,H. S. Udaykumar,Madhukar M. Rao,Richard W. Smith Pdf
This text describes several computational techniques that can be applied to a variety of problems in thermo-fluid physics, multi-phase flow, and applied mechanics involving moving flow boundaries. Step-by-step discussions of numerical procedures include multiple examples that employ algorithms in problem-solving. In addition to its survey of contemporary numerical techniques, this volume discusses formulation and computation strategies as well as applications in many fields. Researchers and professionals in aerospace, chemical, mechanical, and materials engineering will find it a valuable resource. It is also an appropriate textbook for advanced courses in fluid dynamics, computation fluid dynamics, heat transfer, and numerical methods.
Free Boundary Problems by Pierluigi Colli,Claudio Verdi,Augusto Visintin Pdf
Many phenomena of interest for applications are represented by differential equations which are defined in a domain whose boundary is a priori unknown, and is accordingly named a "free boundary". A further quantitative condition is then provided in order to exclude indeterminacy. Free boundary problems thus encompass a broad spectrum which is represented in this state-of-the-art volume by a variety of contributions of researchers in mathematics and applied fields like physics, biology and material sciences. Special emphasis has been reserved for mathematical modelling and for the formulation of new problems.
On the Evolution of Phase Boundaries by Morton E. Gurtin,Geoffrey B. McFadden Pdf
This IMA Volume in Mathematics and its Applications ON THE EVOLUTION OF PHASE BOUNDARIES is based on the proceedings of a workshop which was an integral part of the 1990- 91 IMA program on "Phase Transitions and Free Boundaries". The purpose of the workshop was to bring together mathematicians and other scientists working on the Stefan problem and related theories for modeling physical phenomena that occurs in two phase systems. We thank M.E. Gurtin and G. McFadden for editing the proceedings. We also take this opportunity to thank the National Science Foundation, whose financial support made the workshop possible. A vner Friedman Willard Miller, Jr. PREFACE A primary goal of the IMA workshop on the Evolution of Phase Boundaries from September 17-21, 1990 was to emphasize the interdisciplinary nature of contempo rary research in this field, research which combines ideas from nonlinear partial dif ferential equations, asymptotic analysis, numerical computation, and experimental science. The workshop brought together researchers from several disciplines, includ ing mathematics, physics, and both experimental and theoretical materials science.
Shape Design Sensitivity Analysis and Optimization Using the Boundary Element Method by Zhiye Zhao Pdf
This book investigates the various aspects of shape optimization of two dimensional continuum structures, including shape design sensitivity analysis, structural analysis using the boundary element method (BEM), and shape optimization implementation. The book begins by reviewing the developments of shape optimization, followed by the presentation of the mathematical programming methods for solving optimization problems. The basic theory of the BEM is presented which will be employed later on as the numerical tool to provide the structural responses and the shape design sensitivities. The key issue of shape optimization, the shape design sensitivity analy sis, is fully investigated. A general formulation of stress sensitivity using the continuum approach is presented. The difficulty of the modelling of the ad joint problem is studied, and two approaches are presented for the modelling of the adjoint problem. The first approach uses distributed loads to smooth the concentrated adjoint loads, and the second approach employs the singu larity subtraction method to remove the singular boundary displacements and tractions from the BEM equation. A novel finite difference based approach to shape design sensitivity is pre sented, which overcomes the two drawbacks of the conventional finite difference method. This approach has the advantage of being simple in concept, and eas ier implementation. A shape optimization program for two-dimensional continuum structures is developed, including structural analysis using the BEM, shape design sensitiv ity analysis, mathematical programming, and the design boundary modelling.
Numerical Methods for Free Boundary Problems by VEITTAANMÄKI Pdf
About 80 participants from 16 countries attended the Conference on Numerical Methods for Free Boundary Problems, held at the University of Jyviiskylii, Finland, July 23-27, 1990. The main purpose of this conference was to provide up-to-date information on important directions of research in the field of free boundary problems and their numerical solutions. The contributions contained in this volume cover the lectures given in the conference. The invited lectures were given by H.W. Alt, V. Barbu, K-H. Hoffmann, H. Mittelmann and V. Rivkind. In his lecture H.W. Alt considered a mathematical model and existence theory for non-isothermal phase separations in binary systems. The lecture of V. Barbu was on the approximate solvability of the inverse one phase Stefan problem. K-H. Hoff mann gave an up-to-date survey of several directions in free boundary problems and listed several applications, but the material of his lecture is not included in this proceedings. H.D. Mittelmann handled the stability of thermo capillary convection in float-zone crystal growth. V. Rivkind considered numerical methods for solving coupled Navier-Stokes and Stefan equations. Besides of those invited lectures mentioned above there were 37 contributed papers presented. We shall briefly outline the topics of the contributed papers: Stefan like problems. Modelling, existence and uniqueness.
Magnetically and Capillary Driven Grain Boundary Motion in Zinc Bicrystals by Christoph Günster Pdf
In der vorliegenden Dissertation wurden neue Erkenntnisse auf dem Gebiet der experimentellen Erforschung der Korngrenzenbewegung vorgestellt. Im Rahmen der Arbeit wurde anhand von in-situ Messungen mittels einer eigens dazu entwickelten Polarisationsmikroskopiesonde mit integriertem Heiztisch die Abhängigkeit der Korngrenzenbeweglichkeit vom Desorientierungs- und Inklinationswinkel der Korngrenze, sowie der Temperatur an speziell gezüchteten Bikristallen aus 99,995% Zink mit symmetrischen und asymmetrischen Kippkorngrenzen und gemischten Korngrenzen im Temperaturbereich zwischen 330°C und 415°C in Hochmagnetfeldern von 10 bis 28 Tesla Stärke als Triebkraft untersucht. Dabei wurde die jeweilige Wanderungsgeschwindigkeit v der Korngrenzen bei verschiedenen Temperaturen und treibenden Kräften gemessen. Aus den so erhaltenen Messdaten wurden die Aktivierungsparameter der Korngrenzenbewegung für die jeweils untersuchte Korngrenze bestimmt.Weiter wurde im Rahmen der Experimente in Hochfeldmagneten gezeigt, dass die Polarisationsmikroskopiesonde zur Bestimmung der Korngrenzenenergie in magnetisch anisotropen Metallen verwendet werden kann. Zu kleinerem Anteil wurden auch Versuche zu krümmungsgetriebener Korngrenzenbewegung durchgeführt. Alle Ergebnisse zeigten eine starke Inklinations- und Desorientierungsabhängigkeit der Korngrenzenbeweglichkeit, wobei für asymmetrische Korngrenzen höhere Aktivierungsparameter ermittelt wurden als für symmetrische. Dies wurde auf Unterschiede zwischen der atomistischen Struktur von asymmetrischen und symmetrischen Korngrenzen zurückgeführt. Weiterhin wurde auch die Auswirkung einer Glühung im Hochmagnetfeld auf Textur- und Mikrostrukturentwicklung von Zinkpolykristallen untersucht, wobei gezeigt wurde, dass das Magnetfeld ein geeignetes Werkzeug zur Beeinflussung der Mikrostruktur in Zink ist.
