scholarly journals Large eddy simulation using the general circulation model ICON

2015 ◽  
Vol 7 (3) ◽  
pp. 963-986 ◽  
Author(s):  
Anurag Dipankar ◽  
Bjorn Stevens ◽  
Rieke Heinze ◽  
Christopher Moseley ◽  
Günther Zängl ◽  
...  
Keyword(s):  
Large Eddy Simulation ◽  
General Circulation Model ◽  
General Circulation ◽  
Circulation Model ◽  
Eddy Simulation ◽  
Large Eddy

scholarly journals Approximate deconvolution large eddy simulation of a barotropic ocean circulation model

2011 ◽  
Vol 40 (2) ◽  
pp. 120-132 ◽  
Author(s):  
Omer San ◽  
Anne E. Staples ◽  
Zhu Wang ◽  
Traian Iliescu
Keyword(s):  
Large Eddy Simulation ◽  
Ocean Circulation ◽  
Circulation Model ◽  
Ocean Circulation Model ◽  
Eddy Simulation ◽  
Large Eddy ◽  
Approximate Deconvolution

scholarly journals The CGILS experimental design to investigate low cloud feedbacks in general circulation models by using single-column and large-eddy simulation models

2012 ◽  
Vol 4 (4) ◽  
pp. n/a-n/a ◽  
Author(s):  
Minghua Zhang ◽  
Christopher S. Bretherton ◽  
Peter N. Blossey ◽  
Sandrine Bony ◽  
Florent Brient ◽  
...  
Keyword(s):  
Experimental Design ◽  
Large Eddy Simulation ◽  
General Circulation ◽  
Simulation Models ◽  
General Circulation Models ◽  
Cloud Feedbacks ◽  
Eddy Simulation ◽  
Large Eddy ◽  
Single Column ◽  
Low Cloud

scholarly journals Large-Eddy Simulation of Turbulent Barotropic Flows in Spectral Space on a Sphere

2015 ◽  
Vol 72 (5) ◽  
pp. 1727-1742
Author(s):  
L. N. Azadani ◽  
A. E. Staples
Keyword(s):  
Large Eddy Simulation ◽  
Atmospheric Circulation ◽  
Circulation Model ◽  
Spectral Space ◽  
Small Scale ◽  
Pass Filter ◽  
Low Pass Filter ◽  
Eddy Simulation ◽  
Large Eddy ◽  
Low Pass

Abstract Numerical simulations of atmospheric circulation models are limited by their finite spatial resolution, so large-eddy simulation (LES) is a preferred approach to study these models. In LES, a low-pass filter is applied to the flow field to separate the large- and small-scale motions. In implicitly filtered LES, the computational mesh and discretization schemes are considered to be the low-pass filter, while in the explicitly filtered LES approach, the filtering procedure is separated from the grid and discretization operators and allows for better control of the numerical errors. The aim of this paper is to study and compare implicitly filtered and explicitly filtered LES of atmospheric circulation models in spectral space. To achieve this goal, the results of implicitly filtered and explicitly filtered LES of a barotropic atmosphere circulation model on a sphere in spectral space are presented and compared with the results obtained from direct numerical simulation (DNS). Different numerical experiments are performed to investigate the efficiency of explicit filtering over implicit filtering under different dissipation terms and rotation rates. The study shows that explicit filtering increases the accuracy of the computations and improves the results, particularly where the location of coherent structures is concerned, a topic of particular importance in LES of atmospheric flows for climate and weather applications.

Large Eddy Simulation on the Fluid Flow Inside a Conventional Ladle Shroud System

2019 ◽  
Author(s):  
J. Li ◽  
W. Lin ◽  
Q. Liu ◽  
S. Yang ◽  
J. Zhang
Keyword(s):  
Fluid Flow ◽  
Large Eddy Simulation ◽  
Eddy Simulation ◽  
Large Eddy

Large Eddy Simulation of traffic pollutant dispersion in a residence area

2009 ◽  
Author(s):  
Zhaoshun Zhang ◽  
Guixiang Cui ◽  
Rui-Feng Shi ◽  
Z. S. Wang ◽  
Chunxiao Xu
Keyword(s):  
Large Eddy Simulation ◽  
Pollutant Dispersion ◽  
Eddy Simulation ◽  
Large Eddy
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