1. LARGE EDDY SIMILATIONS OF FULLY DEVELOPED TURBULENT CHANNEL FLOW
Tariq Talha
School Of Engineering,
University of Warwick

2. DNS AND LES TEST SIMULATIONS
Finite Volume Descretization on staggered grid
Explicit treatment for convective terms and implicit for diffusive
Second order in time and space
Non uniform in wall-normal direction
Periodic B.cS in Streamwise and Spanwise and no slip at walls
Constant Mass flow rate
Re/Reτ/Reτ(A)
Grid
Computational domain
LES
DNS
DNS(KMM)
DNS/LES

3. UMEAN PROFILE

5. REYNOLD DIRECT STRESSES

8. REYNOLD SHEAR STRESS

9. SMAGORINSKY CONSTANT

10. LES SIMULATIONS AT HIGH REYNOLD NO.
180
395
640
Computational domain
Grid Re

11. TIME HISTORY

12. UMEAN PROFILE

13. REYNOLD DIRECT STRESSES

16. REYNOLD SHEAR STRESS

17. THANK YOU