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Advances in LES of Complex Flows

Proceedings of the Euromech Colloquium 412, held in Munich, Germany 4∓6 October 2000

  • Conference proceedings
  • © 2002

Overview

Part of the book series: Fluid Mechanics and Its Applications (FMIA, volume 65)

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Table of contents (23 papers)

  1. Modelling and analysis of subgrid scales

  2. Cartesian grids for complex geometries

  3. Curvilinear and non-structured grids for complex geometries

  4. DES and RANS-LES coupling

  5. Aircraft wake vortices

Keywords

About this book

The articles focus on new developments in the field of large-eddy simulation of complex flows and are related to the topics: modelling and analysis of subgrid scales, numerical issues in LES cartesian grids for complex geometries, curvilinear and non-structured grids for complex geometries. DES and RANS-LES coupling, aircraft wake vortices, combustion and magnetohydrodynamics.

Progress has been made not only in understanding and modelling the dynamics of unresolved scales, but also in designing means that prevent the contamination of LES predictions by discretization errors. Progress is reported as well on the use of cartesian and curvilinear coordinates to compute flow in and around complex geometries and in the field of LES with unstructured grids. A chapter is dedicated to the detached-eddy simulation technique and its recent achievements and to the promising technique of coupling RANS and LES solutions in order to push the resolution-based Reynolds number limit of wall-resolving LES to higher values.

Complexity due to physical mechanisms links the last two chapters. It is shown that LES constitutes the tool to analyse the physics of aircraft wake vortices during landing and takeoff. Its thorough understanding is a prerequisite for reliable predictions of the distance between consecutive landing airplanes. Subgrid combustion modelling for LES of single and two-phase reacting flows is demonstrated to have the potential to deal with finite-rate kinetics in high Reynolds number flows of full-scale gas turbine engines. Fluctuating magnetic fields are more reliably predicted by LES when tensor-diffusivity rather than gradient-diffusion models are used. An encouraging result in the context of turbulence control by magnetic fields.

Editors and Affiliations

  • Fachgebiet Strömungsmechanik, Technische Universität München, Garching, Germany

    R. Friedrich

  • Institut für Hydromechanik, Universität Karlsruhe, Karlsruhe, Germany

    W. Rodi

Bibliographic Information

  • Book Title: Advances in LES of Complex Flows

  • Book Subtitle: Proceedings of the Euromech Colloquium 412, held in Munich, Germany 4∓6 October 2000

  • Editors: R. Friedrich, W. Rodi

  • Series Title: Fluid Mechanics and Its Applications

  • DOI: https://doi.org/10.1007/0-306-48383-1

  • Publisher: Springer Dordrecht

  • eBook Packages: Springer Book Archive

  • Copyright Information: Springer Science+Business Media Dordrecht 2002

  • Hardcover ISBN: 978-1-4020-0486-5Published: 30 April 2002

  • Softcover ISBN: 978-90-481-5964-2Published: 28 October 2010

  • eBook ISBN: 978-0-306-48383-7Published: 11 April 2006

  • Series ISSN: 0926-5112

  • Series E-ISSN: 2215-0056

  • Edition Number: 1

  • Number of Pages: XXII, 378

  • Topics: Engineering Fluid Dynamics, Simulation and Modeling, Classical and Continuum Physics

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