Pub. Date:
Springer Berlin Heidelberg
Mathematics of Large Eddy Simulation of Turbulent Flows / Edition 1

Mathematics of Large Eddy Simulation of Turbulent Flows / Edition 1

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Large eddy simulation (LES) is a method of scientific computation seeking to predict the dynamics of organized structures in turbulent flows by approximating local, spatial averages of the flow. Since its birth in 1970, LES has undergone an explosive development and has matured into a highly-developed computational technology. It uses the tools of turbulence theory and the experience gained from practical computation.

This book focuses on the mathematical foundations of LES and its models and provides a connection between the powerful tools of applied mathematics, partial differential equations and LES. Thus, it is concerned with fundamental aspects not treated so deeply in the other books in the field, aspects such as well-posedness of the models, their energy balance and the connection to the Leray theory of weak solutions of the Navier-Stokes equations. The authors give a mathematically informed and detailed treatment of an interesting selection of models, focusing on issues connected with understanding and expanding the correctness and universality of LES.

This volume offers a useful entry point into the field for PhD students in applied mathematics, computational mathematics and partial differential equations. Non-mathematicians will appreciate it as a reference that introduces them to current tools and advances in the mathematical theory of LES.

Product Details

ISBN-13: 9783642065798
Publisher: Springer Berlin Heidelberg
Publication date: 11/23/2010
Series: Scientific Computation
Edition description: Softcover reprint of hardcover 1st ed. 2006
Pages: 350
Product dimensions: 6.10(w) x 9.00(h) x 0.90(d)

Table of Contents

Introduction.- The Navier Stokes Equations.- The Idea of LES.- Subfilter(Grid)-Scale Models: Introduction to Eddy Viscosity Models.- Improved Eddy Viscosity Models.- Advanced Models of the Reymolds Stresses.- Closure Based on Wave-Number Asymptotics.- Scale Similarity Models.- Boundary Conditions: Filtering on Bounded Domains.- Near Wall Models.- Alternative Les Models and Applications: New Approaches to LES Without Closure.- Introduction to VMM.- Uncertainties in Large Eddy Simulation and Improved Estimates of Turbulent Flow Functionals.- Numerical Tests: Test Problems for LES.- References.

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