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LESFOIL: Large Eddy Simulation of Flow Around a High Lift Airfoil - Results of the Project LESFOIL Supported by the European Union 1998 - 2001 (Paperback, Softcover reprint of the original 1st ed. 2003)
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LESFOIL: Large Eddy Simulation of Flow Around a High Lift Airfoil - Results of the Project LESFOIL Supported by the European Union 1998 - 2001 (Paperback, Softcover reprint of the original 1st ed. 2003)
Series: Notes on Numerical Fluid Mechanics and Multidisciplinary Design, 83
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Large Eddy Simulation is a relatively new and still evolving
computatio nal strategy for predicting turbulent flows. It is now
widely used in research to elucidate fundamental interactions in
physics of turbulence, to predict phe nomena which are closely
linked to the unsteady features of turbulence and to create data
bases against which statistical closure models can be asses sed.
However, its applicability to complex industrial flows, to which
statisti cal models are applied routinely, has not been established
with any degree of confidence. There is, in particular, a question
mark against the prospect of LES becoming an economically tenable
alternative to Reynolds-averaged N avier-Stokes methods at
practically high Reynolds numbers and in complex geometries.
Aerospace flows pose particularly challenging problems to LES,
because of the high Reynolds numbers involved, the need to resolve
accura tely small-scale features in the thin and often transitional
boundary layers developing on aerodynamic surfaces. When the flow
also contains a separated region - due to high incidence, say - the
range and disparity of the influen tial scales to be resolved is
enormous, and this substantially aggravates the problems of
resolution and cost. It is just this combination of circumstances
that has been at the heart of the project LESFOIL to which this
book is devoted. The project combined the efforts, resources and
expertise of 9 partner organisations, 4 universities, 3 industrial
companies and 2 research institu tes."
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