Many physical problems involve diffusive and convective (transport) processes. When diffusion dominates convection, standard numerical methods work satisfactorily. But when convection dominates diffusion, the standard methods become unstable, and special techniques are needed to compute accurate num
Revival: Numerical Solution Of Convection-Diffusion Problems
โ Scribed by Morton, K. W
- Publisher
- CRC Press
- Year
- 1996
- Tongue
- English
- Leaves
- 385
- Edition
- 1st edition
- Category
- Library
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โฆ Synopsis
Accurate modeling of the interaction between convective and diffusive processes is one of the most common challenges in the numerical approximation of partial differential equations. This is partly due to the fact that numerical algorithms, and the techniques used for their analysis, tend to be very different in the two limiting cases of elliptic and hyperbolic equations. Many different ideas and approaches have ย Read more...
Abstract: Accurate modeling of the interaction between convective and diffusive processes is one of the most common challenges in the numerical approximation of partial differential equations. This is partly due to the fact that numerical algorithms, and the techniques used for their analysis, tend to be very different in the two limiting cases of elliptic and hyperbolic equations. Many different ideas and approaches have been proposed in widely differing contexts to resolve the difficulties of exponential fitting, compact differencing, number upwinding, artificial viscosity, streamline diffusion, Petrov-Galerkin and evolution Galerkin being some examples from the main fields of finite difference and finite element methods.The main aim of this volume is to draw together all these ideas and see how they overlap and differ. The reader is provided with a useful and wide ranging source of algorithmic concepts and techniques of analysis. The material presented has been drawn both from theoretically oriented literature on finite differences, finite volume and finite element methods and also from accounts of practical, large-scale computing, particularly in the field of computational fluid dynamics
โฆ Table of Contents
Content: Introduction and overviewSelected results from mathematical analysisDifference schemes for steady problemsFinite element methodsGalerkin schemesPetrov-Galerkin methodsFinite volume methods for steady problemsUnsteady problemsReferences.
โฆ Subjects
Fluid dynamics;Mathematics;Numerical calculations;Reaction-diffusion equations;Algorithms;Equations;Hyperbolic;MATHEMATICS / Number Systems;Methods;Viscosity
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