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A Vortex Penalization Method for Flows With Moving Immersed Obstacles

[+] Author Affiliations
Georges-Henri Cottet, Adrien Magni

Laboratoire Jean Kuntzman, Grenoble, France

Federico Gallizio

Optimad Engineering srl, Torino, Italy

Iraj Mortazavi

IMB Université de Bordeaux, Talence, France

Paper No. AJK2011-20015, pp. 3703-3708; 6 pages
doi:10.1115/AJK2011-20015
From:
  • ASME-JSME-KSME 2011 Joint Fluids Engineering Conference
  • ASME-JSME-KSME 2011 Joint Fluids Engineering Conference: Volume 1, Symposia – Parts A, B, C, and D
  • Hamamatsu, Japan, July 24–29, 2011
  • Conference Sponsors: Fluids Engineering Division
  • ISBN: 978-0-7918-4440-3
  • Copyright © 2011 by JSME

abstract

The aim of this work is to couple vortex methods with the penalization methods in order to take advantage from both of them. This immersed boundary approach maintains the efficiency of vortex methods for high Reynolds numbers focusing the computational task on the rotational zones and avoids their lack on the no-slip boundary conditions replacing the vortex sheet method by the penalization of obstacles. This method that is very appropriate for bluff-body flows is validated for the flow around a moving vertical axis turbine for two transitional and turbulent Reynolds numbers.

Copyright © 2011 by JSME

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