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Type: Conference paper
Title: Large-eddy simulations of decaying turbulence using the stretched-vortex subgrid model with artificial damping
Author: Mattner, T.
Citation: Proceedings of the 21st Australasian Fluid Mechanics Conference (AFMC 2018), 2018 / pp.1-4
Publisher: Australian Fluid Mechanics Society
Issue Date: 2018
ISBN: 9780646597843
Conference Name: 21st Australasian Fluid Mechanics Conference (10 Dec 2018 - 13 Dec 2018 : Adelaide, Australia)
Statement of
T. W. Mattner
Abstract: The stretched-vortex subgrid model is used in conjunction with a fourth-order finite-difference method and artificial damping to run large-eddy simulations of decaying turbulence. By tuning the strength of the damping and the overlap between the subgrid model cutoff length-scale and the computational grid spacing, it is possible to obtain results that are independent of the grid spacing and consistent with reference simulations using a high-resolution spectral method. Artificial damping is useful for controlling numerical dispersion in large-eddy simulations of turbulent mixing.
Rights: Commencing with 19AFMC, the Society holds copyright to papers which appear in the Proceedings. Prior to that, copyright resides with authors of the papers.
RMID: 1000008679
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Appears in Collections:Mathematical Sciences publications

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