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Variational Multiscale LES Investigation of Drag and Near-Wake Flow of an Axisymmetric Blunt-Based Body

  • A. MariottiEmail author
  • M. V. Salvetti
  • G. Buresti
Conference paper
Part of the ERCOFTAC Series book series (ERCO, volume 20)

Abstract

The characterization of the relationship between the base pressure of bluff bodies and the geometrical and fluid dynamical parameters defining a certain configuration is a complex and still open problem, of interest for both fundamental research and practical applications.

Keywords

Boundary Layer Thickness Recirculation Zone Bluff Body Recirculation Region Momentum Thickness 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Notes

Acknowledgments

The authors wish to thank Nicola Pineschi for his precious contribution in carrying out the numerical simulations.

References

  1. 1.
    Rowe, A., Fry, A.L.A., Motalleby, F.: Influence of boundary-layer thickness on base pressure and vortex shedding frequency. AIAA J. 39, 754–756 (2001)CrossRefGoogle Scholar
  2. 2.
    Porteiro, I.L.F., Przirembel, C.E.G., Page, R.H.: Modification of subsonic wakes using boundary layer and base mass transfer. AIAA J. 21, 665–670 (1983)CrossRefGoogle Scholar
  3. 3.
    Mariotti, A., Buresti, G.: Experimental characterization of the influence of boundary layer thickness on the base pressure and near-wake flow of a bluff body. In: Proceedings of XII National Congress of Wind Engineering, 7–10 Oct 2012, Venice, Italy (2012)Google Scholar
  4. 4.
    Camarri, S., Salvetti, M.V., Koobus, B., Dervieux, A.: A low-diffusion MUSCL scheme for LES on unstructured grids. Comput. Fluids 33, 1101–1129 (2004)CrossRefzbMATHGoogle Scholar
  5. 5.
    Ouvrard, H., Koobus, B., Dervieux, A., Salvetti, M.V.: Classical and variational multiscale LES of the flow around a circular cylinder on unstructured grids. Comput. Fluids 39, 1083–1094 (2004)CrossRefGoogle Scholar
  6. 6.
    Wornom, S., Ouvrard, H., Salvetti, M.V., Koobus, B., Dervieux, A.: Variational multiscale large-eddy simulations of the flow past a circular cylinder: Reynolds number effects. Comput. Fluids 47, 47–50 (2011)CrossRefGoogle Scholar

Copyright information

© Springer International Publishing Switzerland 2015

Authors and Affiliations

  1. 1.Dipartimento di Ingegneria Civile e IndustrialeUniversità di PisaPisaItaly

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