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Showing results 1 to 11 of 11 Search took 0.00 seconds. Search: Posts Made By: zebu83

Forum: OpenFOAM Running, Solving & CFD October 11, 2011, 03:16

Replies: 41 DNS with openfoam Views: 22,276 Posted By zebu83 Hi Ywang, my set case was: 3,5h*2h*2h; mesh:... Hi Ywang, my set case was: 3,5h*2h*2h; mesh: 80*180*120 (like you uniform the in x and the z direction, simpleGrading = 10 in the y direction); Re_tau=200 (more or less). I changed "fvSchemes"...

Forum: OpenFOAM Running, Solving & CFD September 29, 2011, 08:14

Replies: 41 DNS with openfoam Views: 22,276 Posted By zebu83 Lijie here this is the link to the file that I... Lijie here this is the link to the file that I wrote about: http://www.cfd-online.com/OpenFOAM_Discus/messages/1/channelDNS_tar-3861.unk I'm sorry for the late. MT

Forum: OpenFOAM Running, Solving & CFD November 19, 2009, 09:31

Replies: 41 DNS with openfoam Views: 22,276 Posted By zebu83 Sorry, Eelco, could you post the set of your test... Sorry, Eelco, could you post the set of your test case? In my simulation I use: dimension (x*y*z): 3.5*2*2 number of cells (nz*ny*nz): 80*180*120 that means, for Retau = 200 (I use...

Forum: OpenFOAM Running, Solving & CFD November 18, 2009, 16:25

Replies: 41 DNS with openfoam Views: 22,276 Posted By zebu83 My Ubar is the same of "channelOodles" tutorial:... My Ubar is the same of "channelOodles" tutorial: Ubar = 0.1335, but I modify nu, I chose nu = 2*10^-5 to have Retau more or less = 180. The previous pictures are adimensionalized with Retau or...

Forum: OpenFOAM Running, Solving & CFD November 18, 2009, 16:05

Replies: 41 DNS with openfoam Views: 22,276 Posted By zebu83 It's going to be very useful if you will be able... It's going to be very useful if you will be able to post some of your result! Best regards MT

Forum: OpenFOAM Running, Solving & CFD November 18, 2009, 05:01

Replies: 41 DNS with openfoam Views: 22,276 Posted By zebu83 Good morning Eelco. I'm going to post some... Good morning Eelco. I'm going to post some result, but first let specify something: - if you want to calculate Retau with gradP, you have to do that: sqrt(gradP)*delta/ni, not . Because if you...

Forum: OpenFOAM Running, Solving & CFD November 16, 2009, 06:27

Replies: 41 DNS with openfoam Views: 22,276 Posted By zebu83 I don't have my data, because I'm not in my... I don't have my data, because I'm not in my office these day, but when I come back I'll post some result to explain better what I mean. You can use "gradP" to calculate Retau, but only if you...

Forum: OpenFOAM Running, Solving & CFD November 15, 2009, 14:11

Replies: 41 DNS with openfoam Views: 22,276 Posted By zebu83 I modify "channelOodles" tutorial like this: 3.5... I modify "channelOodles" tutorial like this: 3.5 x 2 x 2 with 80*180*120, and I have Retau = 180 (more or less). Your resolution is better then my resolution, but what about your Retau? Are your...

Forum: OpenFOAM Running, Solving & CFD November 15, 2009, 13:27

Replies: 41 DNS with openfoam Views: 22,276 Posted By zebu83 Very bad! Not really very bad, but there is... Very bad! Not really very bad, but there is a little problem with "postChannel" utility: it makes a wrong statistic. I notice that, if you want to calculate "urms" or "vrms" etc., postChannel...

Forum: OpenFOAM Running, Solving & CFD November 14, 2009, 17:15

Replies: 41 DNS with openfoam Views: 22,276 Posted By zebu83 Good night Eelco, what are your trouble?... Good night Eelco, what are your trouble? Can you give me more informations? I am using OF 1.5.x, that has some corrections from 1.5 version. To download and install OF 1.5.x there are many...

Forum: OpenFOAM Running, Solving & CFD September 3, 2009, 10:01

Replies: 41 DNS with openfoam Views: 22,276 Posted By zebu83 I have some question about channel DNS simulation... I have some question about channel DNS simulation with OpenFOAM. I found in another thread [http://www.cfd-online.com/Forums/openfoam-solving/59815-channel-flow-dns.html] channelDNS program (that...

Showing results 1 to 11 of 11

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