1887
banner image
No data available.
Please log in to see this content.
You have no subscription access to this content.
No metrics data to plot.
The attempt to load metrics for this article has failed.
The attempt to plot a graph for these metrics has failed.
Large-eddy simulation of turbulent channel flow using explicit filtering and dynamic mixed models
Rent:
Rent this article for
USD
10.1063/1.4745007
/content/aip/journal/pof2/24/8/10.1063/1.4745007
http://aip.metastore.ingenta.com/content/aip/journal/pof2/24/8/10.1063/1.4745007

Figures

Image of FIG. 1.
FIG. 1.

(a) Mean streamwise velocity and (b) RMS velocity fluctuations obtained using DSMM for channel flow in configurations of A exp (solid lines), B exp (dashed lines), and C exp (dotted lines). Symbols denote the non-filtered DNS data of Moser et al. 23

Image of FIG. 2.
FIG. 2.

(a) Mean streamwise velocity and (b) RMS velocity fluctuations obtained using DGMM for channel flow in configurations of A exp (solid lines), B exp (dashed lines), and C exp (dotted lines). Symbols denote the non-filtered DNS data of Moser et al. 23

Image of FIG. 3.
FIG. 3.

(a) Ensemble-averaged modeled stress (), resolved stress, and total stress (resolved stress + modeled stress) and (b) modified Leonard stress (), eddy-viscosity stress (η12), and total modeled stress () in configurations of A exp (solid lines), B exp (dashed lines), and C exp (dotted lines) obtained using DSMM. Symbols denote the non-filtered DNS data of Moser et al. 23

Image of FIG. 4.
FIG. 4.

(a) Ensemble-averaged modeled stress (), resolved stress, and total stress (resolved stress + modeled stress) and (b) modified Leonard stress (), eddy-viscosity stress (η12), and total modeled stress () in configurations of A exp (solid lines), B exp (dashed lines), and C exp (dotted lines) obtained using DGMM. Symbols denote the non-filtered DNS data of Moser et al. 23

Image of FIG. 5.
FIG. 5.

(a) Mean streamwise velocity and (b) RMS velocity fluctuations obtained using DSMM for channel flow in configurations of D exp (solid lines), E exp (dashed lines), and F exp (dotted lines). Symbols denote the non-filtered DNS data of Moser et al. 23

Image of FIG. 6.
FIG. 6.

(a) Mean streamwise velocity and (b) RMS velocity fluctuations obtained using DGMM for channel flow in configurations of D exp (solid lines), E exp (dashed lines), and F exp (dotted lines). Symbols denote the non-filtered DNS data of Moser et al. 23

Image of FIG. 7.
FIG. 7.

(a) Ensemble-averaged modeled stress (), resolved stress, and total stress (resolved stress + modeled stress) and (b) modified Leonard stress (), eddy-viscosity stress (η12), and total modeled stress () in configurations of D exp (solid lines), E exp (dashed lines), and F exp (dotted lines) obtained using DSMM. Symbols denote the non-filtered DNS data of Moser et al. 23

Image of FIG. 8.
FIG. 8.

(a) Ensemble-averaged modeled stress (), resolved stress, and total stress (resolved stress + modeled stress) and (b) modified Leonard stress (), eddy-viscosity stress (η12), and total modeled stress () in configurations of D exp (solid lines), E exp (dashed lines), and F exp (dotted lines) obtained using DGMM. Symbols denote the non-filtered DNS data of Moser et al. 23

Image of FIG. 9.
FIG. 9.

(a) Mean streamwise velocity and (b) RMS velocity fluctuations obtained using DSMM for channel flow in configurations of C exp (solid lines), E exp (dashed lines), and G exp (dotted lines). Symbols denote the non-filtered DNS data of Moser et al. 23

Image of FIG. 10.
FIG. 10.

(a) Mean streamwise velocity and (b) RMS velocity fluctuations obtained using DGMM for channel flow in configurations of C exp (solid lines), E exp (dashed lines), and G exp (dotted lines). Symbols denote the non-filtered DNS data of Moser et al. 23

Image of FIG. 11.
FIG. 11.

Ensemble-averaged modeled stress and resolved stress in configurations of C exp (solid lines), E exp (dashed lines), and G exp (dotted lines) obtained using (a) DSMM and (b) DGMM. Symbols denote the non-filtered DNS data of Moser et al. 23

Image of FIG. 12.
FIG. 12.

(a) Mean streamwise velocity and (b) RMS velocity fluctuations obtained using DGMM for channel flow in configurations of D exp (solid lines) and A imp (dashed lines). Symbols denote the non-filtered DNS data of Moser et al. 23

Image of FIG. 13.
FIG. 13.

(a) Mean streamwise velocity and (b) RMS velocity fluctuations obtained using DGMM for channel flow in configurations of G exp (solid lines) and B imp (dashed lines). Symbols denote the non-filtered DNS data of Moser et al. 23

Image of FIG. 14.
FIG. 14.

(a) Mean streatwise velocity and (b) RMS velocity fluctuations obtained using DGMM for channel flow in configurations of D exp (solid lines) and B imp (dashed lines). Symbols denote the non-filtered DNS data of Moser et al. 23

Image of FIG. 15.
FIG. 15.

(a) Mean streamwise velocity and (b) RMS velocity fluctuations obtained using DGMM for channel flow in configurations of G exp (solid lines) and C imp (dashed lines). Symbols denote the non-filtered DNS data of Moser et al. 23

Tables

Generic image for table
Table I.

Grid parameters for explicit-filter LES of turbulent channel flow. N x(y, z) and are the number of grid points and explicit-filter widths in wall units, respectively. Grid parameters used for DNS by Moser et al. 23 are also provided for reference.

Generic image for table
Table II.

Root-mean-squared differences between the present explicit-filter LES solutions and the non-filtered DNS data of Moser et al. 23 calculated using Eq. (27) for the first- and second-order statistics.

Generic image for table
Table III.

Grid parameters for implicit-filter LES of turbulent channel flow. N x(y, z) and are the number of grid points and implicit-filter widths in wall units, respectively.

Generic image for table
Table IV.

Root-mean-squared differences between the present implicit-filter LES solutions and the non-filtered DNS data of Moser et al. 23 calculated using Eq. (27) for the first- and second-order statistics. Implicit-filter LES were performed with DGMM.

Loading

Article metrics loading...

/content/aip/journal/pof2/24/8/10.1063/1.4745007
2012-08-14
2014-04-21
Loading

Full text loading...

This is a required field
Please enter a valid email address
752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Large-eddy simulation of turbulent channel flow using explicit filtering and dynamic mixed models
http://aip.metastore.ingenta.com/content/aip/journal/pof2/24/8/10.1063/1.4745007
10.1063/1.4745007
SEARCH_EXPAND_ITEM