HAL Id: hal-01247716
https://hal.archives-ouvertes.fr/hal-01247716
Submitted on 22 Dec 2015
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Anisotropic sub-grid scale numerical schemes for Large Eddy Simulations of turbulent flows
Georges-Henri Cottet
To cite this version:
Georges-Henri Cottet. Anisotropic sub-grid scale numerical schemes for Large Eddy Simulations of turbulent flows. [Research Report] LMC-IMAG. 1998. �hal-01247716�
W E
B T
N
S
! =u (x )−u (x)T 2 T 2
! =u (x )−u (x)E 1 E 1
! ="S u (x )+u (x)3 S 3
...
1 3
2
0.5 0.8 1.0 Y
-150 -100 -50 0
SGS dissipation
DM Case 1 Case 2 Case 3
1 10 100 1000 Y+
0.0 10.0 20.0 30.0
Mean velocity
min(y,2.5logy+5.5) DM
Case 1 Case 2 Case 3
0 200 400 600 Y+
0.0 1.0 2.0 3.0 4.0
VRMS WRMS URMS
DM Case 1 Case 2 Case 3
[12] urms, Re=22,776
0 20 40 60 80 100 Y+
0.0 0.2 0.4 0.6 0.8 1.0
< U V > DM
Case 1 Case 2 Case 3
0.0 0.5 1.0 Z
-0.5 0.0 0.5 1.0
Two point correlation (U)
DM Case 1 Case 2 Case 3
0.0 0.5 1.0
Z -0.5
0.0 0.5 1.0
Two point correlation (V)
DM Case 1 Case 2 Case 3
