numerical methods for two phase incompressible flows 40 springer series in computational mathematics

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Numerical Methods For Two Phase Incompressible Flows

Author : Sven Gross
ISBN : 3642196861
Genre : Mathematics
File Size : 74. 90 MB
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This book is the first monograph providing an introduction to and an overview of numerical methods for the simulation of two-phase incompressible flows. The Navier-Stokes equations describing the fluid dynamics are examined in combination with models for mass and surfactant transport. The book pursues a comprehensive approach: important modeling issues are treated, appropriate weak formulations are derived, level set and finite element discretization techniques are analyzed, efficient iterative solvers are investigated, implementational aspects are considered and the results of numerical experiments are presented. The book is aimed at M Sc and PhD students and other researchers in the fields of Numerical Analysis and Computational Engineering Science interested in the numerical treatment of two-phase incompressible flows.

Transport Processes At Fluidic Interfaces

Author : Dieter Bothe
ISBN : 9783319566023
Genre : Mathematics
File Size : 64. 53 MB
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There are several physico-chemical processes that determine the behavior of multiphase fluid systems – e.g., the fluid dynamics in the different phases and the dynamics of the interface(s), mass transport between the fluids, adsorption effects at the interface, and transport of surfactants on the interface – and result in heterogeneous interface properties. In general, these processes are strongly coupled and local properties of the interface play a crucial role. A thorough understanding of the behavior of such complex flow problems must be based on physically sound mathematical models, which especially account for the local processes at the interface. This book presents recent findings on the rigorous derivation and mathematical analysis of such models and on the development of numerical methods for direct numerical simulations. Validation results are based on specifically designed experiments using high-resolution experimental techniques. A special feature of this book is its focus on an interdisciplinary research approach combining Applied Analysis, Numerical Mathematics, Interface Physics and Chemistry, as well as relevant research areas in the Engineering Sciences. The contributions originated from the joint interdisciplinary research projects in the DFG Priority Programme SPP 1506 “Transport Processes at Fluidic Interfaces.”

Isogeometric Analysis And Applications 2014

Author : Bert Jüttler
ISBN : 9783319233154
Genre : Mathematics
File Size : 42. 9 MB
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Isogeometric Analysis is a groundbreaking computational approach that promises the possibility of integrating the finite element method into conventional spline-based CAD design tools. It thus bridges the gap between numerical analysis and geometry, and moreover it allows to tackle new cutting edge applications at the frontiers of research in science and engineering. This proceedings volume contains a selection of outstanding research papers presented at the second International Workshop on Isogeometric Analysis and Applications, held at Annweiler, Germany, in April 2014.

Numerische Algorithmen F R Gitterfreie Methoden Zur L Sung Von Transportproblemen

Author : Tobias Seifarth
ISBN : 9783839612699
Genre : Computers
File Size : 36. 44 MB
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Gitterfreie Berechnungsmethoden kommen aufgrund ihrer Flexibilität in erster Linie bei Problemstellungen mit zeitabhängigen komplexen Geometrien zum Einsatz, da sich dort die Erzeugung, Organisation und Anpassung der Rechengitter überaus schwierig und sehr zeitaufwändig gestaltet. Da in zahlreichen Fällen zur effizienten Lösung solcher Problemstellungen die Eulersche Betrachtungsweise notwendig ist, werden geeignete Verfahren zur Approximation der konvektiven Terme benötigt. Dies stellt für gitterfreie Methoden eine große Herausforderung dar, da zur Approximation lediglich eine Menge von Punkten zur Verfügung steht. Während im Rahmen der gitterbasierten Methoden die Approximation konvektions-dominierender Probleme bereits ausführlich behandelt wurde und viele Verfahren bereitgestellt werden, gibt es im Kontext der gitterfreien Methoden bisher nur wenige Ansätze zur Lösung solcher Probleme. Deshalb werden hier neue Verfahren entwickelt, die eine effiziente Lösung konvektions-dominierender Probleme ermöglichen, wobei der Fokus auf der Lösung inkompressibler Strömungsprobleme liegt.

Geometrically Unfitted Finite Element Methods And Applications

Author : Stéphane P. A. Bordas
ISBN : 9783319714318
Genre : Mathematics
File Size : 89. 18 MB
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This book provides a snapshot of the state of the art of the rapidly evolving field of integration of geometric data in finite element computations. The contributions to this volume, based on research presented at the UCL workshop on the topic in January 2016, include three review papers on core topics such as fictitious domain methods for elasticity, trace finite element methods for partial differential equations defined on surfaces, and Nitsche’s method for contact problems. Five chapters present original research articles on related theoretical topics, including Lagrange multiplier methods, interface problems, bulk-surface coupling, and approximation of partial differential equations on moving domains. Finally, two chapters discuss advanced applications such as crack propagation or flow in fractured poroelastic media. This is the first volume that provides a comprehensive overview of the field of unfitted finite element methods, including recent techniques such as cutFEM, traceFEM, ghost penalty, and augmented Lagrangian techniques. It is aimed at researchers in applied mathematics, scientific computing or computational engineering.

Frontiers In Numerical Analysis

Author : James Blowey
ISBN : 3540443193
Genre : Mathematics
File Size : 68. 31 MB
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A set of detailed lecture notes on six topics at the forefront of current research in numerical analysis and applied mathematics. Each set of notes presents a self-contained guide to a current research area. Detailed proofs of key results are provided. The notes start from a level suitable for first year graduate students in applied mathematics, mathematical analysis or numerical analysis, and proceed to current research topics. Current (unsolved) problems are also described and directions for future research are given. This book is also suitable for professional mathematicians.

Essential Computational Fluid Dynamics

Author : Oleg Zikanov
ISBN : 9781118174395
Genre : Science
File Size : 66. 27 MB
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This book serves as a complete and self-contained introduction tothe principles of Computational Fluid Dynamic (CFD)analysis. It is deliberately short (at approximately 300pages) and can be used as a text for the first part of the courseof applied CFD followed by a software tutorial. The mainobjectives of this non-traditional format are: 1) To introduce andexplain, using simple examples where possible, the principles andmethods of CFD analysis and to demystify the `black box’ of aCFD software tool, and 2) To provide a basic understanding of howCFD problems are set and which factors affect the success andfailure of the analysis. Included in the text are themathematical and physical foundations of CFD, formulation of CFDproblems, basic principles of numerical approximation (grids,consistency, convergence, stability, and order of approximation,etc), methods of discretization with focus on finite difference andfinite volume techniques, methods of solution of transient andsteady state problems, commonly used numerical methods for heattransfer and fluid flows, plus a brief introduction into turbulencemodeling.

Angewandte Mathematik Body And Soul

Author : Kenneth Eriksson
ISBN : 9783540269502
Genre : Mathematics
File Size : 46. 66 MB
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"Angewandte Mathematik: Body & Soul" ist ein neuer Grundkurs in der Mathematikausbildung für Studienanfänger in den Naturwissenschaften, der Technik, und der Mathematik, der an der Chalmers Tekniska Högskola in Göteborg entwickelt wurde. Er besteht aus drei Bänden sowie Computer-Software. Das Projekt ist begründet in der Computerrevolution, die ihrerseits völlig neue Möglichkeiten des wissenschaftlichen Rechnens in der Mathematik, den Naturwissenschaften und im Ingenieurwesen eröffnet hat. Es besteht aus einer Synthese der mathematischen Analysis (Soul) mit der numerischen Berechnung (Body) sowie den Anwendungen. Die Bände I-III geben eine moderne Version der Analysis und der linearen Algebra wieder, einschließlich konstruktiver numerischer Techniken und Anwendungen, zugeschnitten auf Anfängerprogramme im Maschinenbau und den Naturwissenschaften. Weitere Bände behandeln Themen wie z.B. dynamische Systeme, Strömungsdynamik, Festkörpermechanik und Elektromagnetismus. Dieser Band entwickelt das Riemann-Integral, um eine Funktion zu einer gegebenen Ableitung zu bestimmen. Darauf aufbauend werden Differentialgleichungen und Anfangswertprobleme mit einer Vielzahl anschaulicher Anwendungen behandelt. Die lineare Algebra wird auf n-dimensionale Räume verallgemeinert, wobei wiederum dem praktischen Umgang und numerischen Lösungstechniken besonderer Platz eingeräumt wird. Die Autoren sind führende Experten im Gebiet des wissenschaftlichen Rechnens und haben schon mehrere erfolgreiche Bücher geschrieben. "[......] Oh, by the way, I suggest immediate purchase of all three volumes!" The Mathematical Association of America Online, 7.7.04

Mathematical Reviews

Author :
ISBN : UVA:X006180726
Genre : Mathematics
File Size : 35. 42 MB
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Hierarchische Matrizen

Author : Wolfgang Hackbusch
ISBN : 9783642002212
Genre : Mathematics
File Size : 49. 53 MB
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Bei der Diskretisierung von Randwertaufgaben und Integralgleichungen entstehen große, eventuell auch voll besetzte Matrizen. In dem Band stellt der Autor eine neuartige Methode dar, die es erstmals erlaubt, solche Matrizen nicht nur effizient zu speichern, sondern auch alle Matrixoperationen einschließlich der Matrixinversion bzw. der Dreieckszerlegung approximativ durchzuführen. Anwendung findet diese Technik nicht nur bei der Lösung großer Gleichungssysteme, sondern auch bei Matrixgleichungen und der Berechnung von Matrixfunktionen.

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