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New differential operators and discretization methods for large-eddy simulation and regularization modeling

Author
Trias, F. X.; Gorobets, A.; Perez, C.; Oliva, A.
Type of activity
Presentation of work at congresses
Name of edition
6th European Conference on Computational Fluid Dynamics
Date of publication
2014
Presentation's date
2014-07-21
Book of congress proceedings
11th World Congress on Computational Mechanics (WCCM XI); 5th European Conference on Computational Mechanics (ECCM V); 6th European Conference on Computational Fluid Dynamics (ECFD VI): all sessions and papers; July 20-25, 2014, Barcelona, Spain
First page
1
Last page
12
Publisher
International Association for Computational Mechanics (IACM)
Repository
http://hdl.handle.net/2117/103806 Open in new window
URL
http://www.wccm-eccm-ecfd2014.org/admin/files/filePaper/p3415.pdf Open in new window
Abstract
Direct numerical simulations (DNS) of the incompressible Navier-Stokes equations are limited to relatively low-Reynolds numbers. Therefore, dynamically less complex mathematical formulations are necessary for coarse-grain simulations. Regularization and eddy-viscosity models for Large-Eddy Simulation are examples thereof. They rely on differential operators that should be able to capture well different flow configurations (laminar and 2D flows, near-wall behavior, transitional regime...). Most o...
Citation
Trias, F. X., Gorobets, A., Perez, C., Oliva, A. New differential operators and discretization methods for large-eddy simulation and regularization modeling. A: European Conference on Computational Fluid Dynamics. "11th World Congress on Computational Mechanics (WCCM XI); 5th European Conference on Computational Mechanics (ECCM V); 6th European Conference on Computational Fluid Dynamics (ECFD VI): all sessions and papers; July 20-25, 2014, Barcelona, Spain". Barcelona: International Association for Computational Mechanics (IACM), 2014, p. 1-12.
Keywords
Eddy-viscosity, Large-eddy simulation, Regularization, Turbulence
Group of research
CTTC - Heat and Mass Transfer Technological Center

Participants