Abstract
In chapter 12 we have shown that LES by finite differences are satisfactory for flows with three periodic directions. Engineering-oriented flows and in particular flows related to aeronautical or mechanical engineering applications have at least a solid boundary. Two homogeneous directions in the simulation of turbulent flows save computational time, in particular in understanding the physics or in checking the physical modelling. In fact, the turbulent statistics can be evaluated by a limited number of flow fields. To investigate the feasibility of LES in wall bounded flows the choice is to consider the flow in a plane channel or in a pipe. The channel is a better choice for the large number of results in literature obtained by different subgrid models and by different numerical methods. Whoever is interested on LES of pipes can use the code described in chapter 10 by modifying the viscous terms as described in this chapter. The equations used by Fatica et al.. (1994) to perform LES of time developing round jets can be used.
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© 2000 Springer Science+Business Media Dordrecht
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Orlandi, P. (2000). Large eddy simulations of wall-bounded flows. In: Orlandi, P. (eds) Fluid Flow Phenomena. Fluid Mechanics and Its Applications, vol 55. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-4281-6_14
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DOI: https://doi.org/10.1007/978-94-011-4281-6_14
Publisher Name: Springer, Dordrecht
Print ISBN: 978-1-4020-0389-9
Online ISBN: 978-94-011-4281-6
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