Large eddy simulation of a muffler with the high-order spectral difference method
Fluid Dynamics
2013-05-30 v1 Mathematical Physics
math.MP
Abstract
The combination of the high-order accurate spectral difference discretization on unstructured grids with subgrid-scale modelling is investigated for large eddy simulation of a muffler at Re = 4.64 10^4 and low Mach number. The subgrid-scale stress tensor is modelled by the wall-adapting local eddy-viscosity model with a cut-off length which is a decreasing function of the order of accuracy of the scheme. Numerical results indicate that although the high-order solver without subgrid-scale modelling is already able to capture well the features of the flow, the coupling with the wall-adapting local eddy-viscosity model improves the quality of the solution.
Keywords
Cite
@article{arxiv.1305.6681,
title = {Large eddy simulation of a muffler with the high-order spectral difference method},
author = {Matteo Parsani and Michael Bilka and Chris Lacor},
journal= {arXiv preprint arXiv:1305.6681},
year = {2013}
}