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Model-invariant hybrid les-rans computation of separated flow past periodic hills
| Content Provider | NASA Technical Reports Server (NTRS) |
|---|---|
| Author | Woodruff, Stephen |
| Copyright Year | 2014 |
| Description | The requirement that physical quantities not vary with a hybrid LESRANS model's blending parameter imposes conditions on the computation that lead to better results across LES-RANS transitions. This promises to allow placement of those transitions so that LES is performed only where required by the physics, improving computational efficiency. The approach is applied to separated flow past periodic hills, where good predictions of separation-bubble size are seen due to the gradual, controlled, LES-RANS transition and the resulting enhanced near-wall eddy viscosity. |
| File Size | 387891 |
| Page Count | 10 |
| File Format | |
| Alternate Webpage(s) | http://archive.org/details/NASA_NTRS_Archive_20140003898 |
| Archival Resource Key | ark:/13960/t7tn27284 |
| Language | English |
| Publisher Date | 2014-03-19 |
| Access Restriction | Open |
| Subject Keyword | Aerodynamics Reynolds Stress Turbulence Computation Reynolds Number Wall Flow Size Separation Mathematical Models Isotropic Turbulence Separated Flow Eddy Viscosity Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aircraft Aerospace Engineering Aerospace Aeronautic Space Science |
| Content Type | Text |
| Resource Type | Article |
