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Computation and Comparison of Efficient Turbulence Models for Aeronautics — European Research Project ETMA

  • Book
  • © 1998

Overview

Editors:
  1. Alain Dervieux
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  2. Marianna Braza
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  3. Jean-Paul Dussauge
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  • Stimmen die Simulationen?

Part of the book series: Notes on Numerical Fluid Mechanics (NONUFM, volume 5)

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Table of contents (63 chapters)

  1. Front Matter

    Pages i-xiv
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  2. Mixing Layers

    1. Front Matter

      Pages 1-1
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    2. Test Case 1: Supersonic mixing layers

      • J.-P. Dussauge
      Pages 3-10

    3. Numerical Simulation and Modeling of an Unsteady Supersonic Mixing-Layer Flow

      • M. Braza, F. Hanine
      Pages 11-19

    4. A modified k-ε model derived by homogenization techniques

      • T. Chacón, D. Franco, F. Ortegón, I. Sánchez
      Pages 20-27

    5. Compressibility Models Applied to Supersonic Mixing Layers

      • D. Guézengar, H. Guillard
      Pages 28-36

    6. Numerical simulation of supersonic mixing layers at different convective Mach numbers with a k — ε model

      • C. Le Ribault
      Pages 37-44

    7. Supersonic Mixing Layer

      • S. Tsangaris, A. Pentaris, M. Thomadakis
      Pages 45-51

    8. Synthesis on compressible mixing layers

      • J-P. Dussauge
      Pages 52-57

  4. Incompressible Wall Flows with Separation

    1. Front Matter

      Pages 87-87
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    2. Presentation of Test Cases TC-2A, TC-2B, TC-2C, TC-2D Twodimensional, Incompressible, Wall Flows with Separation

      • P. S. Larsen
      Pages 89-94

    3. Incompressible Recirculating Flows

      • Robert D. Harper, Michael M. Gibson
      Pages 95-102

    4. Computational Results on Test Cases TC-2C and TC2-D Two Dimensional, Incompressible Flows with Recirculation

      • J. J. Schmidt, P. S. Larsen
      Pages 103-110

    5. Incompressible Recirculating Flows

      • Robert D. Harper, Michael M. Gibson
      Pages 111-118

    6. Numerical Solution of the Turbulent Flow Over a Fence Using Two Equation Models

      • J. C. F. Pereira, M. H. Kobayashi, N. P. C. Marques
      Pages 119-126

    7. Computations of Separating and Reattaching Flows with High- and Low-Re-Number Second-Moment Closures

      • S. Jakirlić, K. Hanjalić, I. Hadžić
      Pages 127-140
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Keywords

About this book

The computation of complex turbulent flows by statistical modelling has already a long history. The most popular two-equation models today were introduced in the early sev­ enties. However these models have been generally tested in rather academic cases. The develope­ ment of computers has led to more and more acurate numerical methods. The interactions betwe~n numerical and modelling techniques are generally not well mastered. Moreover, computation of real life cases, including 3D effects, complex geometries and pressure gra­ dients based on two-equation models with low-Reynolds treatment at the proximity of walls are not really of common use. A large number of models has been proposed; this is perhaps the sign that none of them is really satisfactory, and then the assessment of their generality is not an easy task: it requires a lot of understanding of the physics and a lot of work for testing the large number of relevant cases in order to assess their limits of validity which is a condition for an improved confidence in engineering applications. This is probably why workshops and working groups are frequent and the ETMA consor­ tium has choosen to build a state of the art in theoretical and numerical statistical turbu­ lence modelling for real life computations by taking some marks with respect to previous workshops such as the Stanford meetings (1980,1981); some problems are kept or updated by new experiments, some problems are discarded, some new problems are introduced; the focus is kept on flows with 2D geometries.

About the authors

Die Herausgeber sind Sprecher des EU-Projekts ETMA

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