|
[Sponsors] |
June 24, 2013, 12:12 |
KomegaSSTSAS 2D simulations
|
#1 |
New Member
Luca Patruno
Join Date: Jun 2011
Posts: 1
Rep Power: 0 |
Does anyone have expereince in SAS 2D simulations? I made a few tests and simulating a rectangular cylinder with side ratio 4 I find that, in order to have a reasonable solution, I have to increase Cs to 0.45 which is well above the Cs used in 2D LES simulations. Is this normal?
As the KomegaSSTSAS is able to detect the resolved scales, is it safe to increase the Cs? I mean that, as far as I can understand, an excessivly high Cs will turn the model in the underlying RANS model so that the simulation will not develope the fine scales as it would do with a smaller Cs. Nevertheless, the worst I can get (still with reasonable Cs) is the k-omega model, is it right? Thank you for you help! |
|
|
|
Similar Threads | ||||
Thread | Thread Starter | Forum | Replies | Last Post |
Periodic boundary conditions in 3D Eulerian granular flow simulations | dsm | FLUENT | 4 | March 2, 2012 19:04 |
Hardware selection for steady/unsteady incompressible, turbulent and cht simulations | maddalena | OpenFOAM | 2 | July 13, 2011 08:55 |
Cumulative continuity error large in parallel simulations | xiao | OpenFOAM | 3 | March 7, 2011 04:13 |
Timestepping in two - phase Simulations using RSM | challenger85 | CFX | 0 | January 4, 2010 05:00 |
URANS and Transient Simulations | bob | Main CFD Forum | 0 | October 1, 2003 03:54 |