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Lessons learned from hybrid RANS-LES computations of a three-element airfoil flow

ShiaHui Peng ; Bastian Nebenführ (Institutionen för tillämpad mekanik, Strömningslära) ; Lars Davidson (Institutionen för tillämpad mekanik, Strömningslära)
21st AIAA Computational Fluid Dynamics Conference (2013)
[Konferensbidrag, refereegranskat]

Some important aspects of hybrid RANS-LES modelling for a high-lift flow have been discussed on the basis of a number of simulations with different computational settings tabulated in nine cases. By means of comparative studies of these cases grouped in different sets, the effect of the simulation strategies invoked in the computations has been investigated, including local transition (specified around the leading edges of the high-lift elements), hybrid RANS-LES methods, temporal resolution, as well as the extension of computational domain in the spanwise (homogeneous) direction and the grid resolution in this direction. In exploring the effects of these issues, the lessons learned from these computations are also speculated.



Denna post skapades 2013-12-19.
CPL Pubid: 190039

 

Institutioner (Chalmers)

Institutionen för tillämpad mekanik, Strömningslära

Ämnesområden

Elektroteknik och elektronik

Chalmers infrastruktur