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April 28, 2014, 11:35
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recomandations for LES/ILES with fluent
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Senior Member
mahdi abdollahzadeh
Join Date: Mar 2011
Location: Covilha,Portugal
Posts: 153
Rep Power: 16  |
Dear all
I'm not experienced with LES or ILES simulation in Fluent. I want to model stall of NACA 012 at angle of 20. Re=3e6 and C=1m. I would appreciate recommendations and experiences? regarding the grid size, grid spacing, time-step selection, 2D LES, initialization, typical CPU time . is 2D LES valid in this case? I have runned a 2D lES but it seems never to converge and lift and drag are oscillating chaotic. best Mahdi |
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