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Comparison of Subgrid-scale Viscosity Models and Selective Filtering Strategy for Large-eddy Simulations
| Content Provider | Semantic Scholar |
|---|---|
| Author | Aubard, G. Volpiani, P. Stefanin Gloerfelt, Xavier Robinet, Jean-Christophe |
| Copyright Year | 2013 |
| Abstract | Explicitly filtered large-eddy simulations (LES), combining high-accuracy schemes with the use of a selective filtering without adding an explicit subgrid-scales (SGS) model, are carried out for the Taylor-Green-vortex and the supersonic-boundary-layer cases. First, the present approach is validated against direct numerical simulation (DNS) results. Subsequently, several SGS models are implemented in order to investigate if they can improve the initial filter-based methodology. It is shown that the most accurate results are obtained when the filtering is used alone as an implicit model, and for a minimal cost. Moreover, the tests for the Taylor-Green vortex indicate that the discretization error from the numerical methods, notably the dissipation error from the high-order filtering, can have a greater influence than the SGS models. |
| Starting Page | 497 |
| Ending Page | 518 |
| Page Count | 22 |
| File Format | PDF HTM / HTML |
| DOI | 10.1007/s10494-013-9485-5 |
| Volume Number | 91 |
| Alternate Webpage(s) | https://sam.ensam.eu/bitstream/handle/10985/8637/DYNFLUID_FTC_2013_AUBARD.pdf?isAllowed=y&sequence=1 |
| Alternate Webpage(s) | https://page-one.springer.com/pdf/preview/10.1007/s10494-013-9485-5 |
| Alternate Webpage(s) | https://hal.archives-ouvertes.fr/hal-01069582/document |
| Alternate Webpage(s) | https://doi.org/10.1007/s10494-013-9485-5 |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
