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Showing results 1 to 6 of 6 Search took 0.00 seconds. Search: Posts Made By: msuaeronautics

Forum: OpenFOAM May 16, 2016, 18:07

Replies: 23 vortex shedding frequency Views: 12,690 Posted By msuaeronautics Yes, I think in your case CL would be best to... Yes, I think in your case CL would be best to use. In addition, I believe sampling the history of instantaneous CL should work fine. Calculating a mean may not be beneficial to you at your...

Forum: OpenFOAM May 12, 2016, 13:24

Replies: 23 vortex shedding frequency Views: 12,690 Posted By msuaeronautics I think taking a force coefficient approach (i.e.... I think taking a force coefficient approach (i.e. histories of CD or CL) is far more appropriate for your Reynolds number. In other words, instead of analyzing U', use an appropriate history of CD. ...

Forum: OpenFOAM May 5, 2016, 12:48

Replies: 23 vortex shedding frequency Views: 12,690 Posted By msuaeronautics You can do it this way, or you can extract all of... You can do it this way, or you can extract all of your U(t) values (instantaneous velocity) per probe and compute the average. The fieldAverage tool is probably 'better.'

Forum: OpenFOAM May 5, 2016, 12:46

Replies: 23 vortex shedding frequency Views: 12,690 Posted By msuaeronautics No problem! The simple answer is that you... No problem! The simple answer is that you compute the frequency analysis per probe. Your analysis is a pointwise thing. Let's say you have probes at A= (1,1,1) and B= (2,2,2). Probe A will...

Forum: OpenFOAM May 5, 2016, 12:28

Replies: 23 vortex shedding frequency Views: 12,690 Posted By msuaeronautics Hi Ariel, The latter is correct. Compute the... Hi Ariel, The latter is correct. Compute the mean velocity over the time series and compute U - UMean, where U is your individual instantaneous value. So, for every point in the domain you have...

Forum: OpenFOAM April 9, 2015, 11:10

Replies: 23 vortex shedding frequency Views: 12,690 Posted By msuaeronautics Hi guys, Based on my experience in sampling... Hi guys, Based on my experience in sampling the wake to get the Strouhal number in OpenFOAM, the best way to do it is to compute the velocity spectra at certain points in the wake. I prefer to use...

Showing results 1 to 6 of 6

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