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Search took 0.00 seconds. Search: Posts Made By: nzy102
Forum: OpenFOAM Running, Solving & CFD February 19, 2009, 16:54
Replies: 220
Views: 62,301
Posted By nzy102
Hi Cedric: Obviously if you

Hi Cedric:

Obviously if you refine the grid, you should be able to get better results. I compared my data with Moser's data, published in physics of fluids (1999). I don't think they use a...
Forum: OpenFOAM Running, Solving & CFD February 19, 2009, 16:53
Replies: 220
Views: 62,301
Posted By nzy102
Hi Cedric: Obviously if you

Hi Cedric:

Obviously if you refine the grid, you should be able to get better results. I compared my data with Moser's data, published in physics of fluids. I don't think they use a second-order...
Forum: OpenFOAM Running, Solving & CFD February 19, 2009, 12:11
Replies: 220
Views: 62,301
Posted By nzy102
Hi Jianying: Have you tried

Hi Jianying:

Have you tried one equation model? It should give you better results than smagrinsky model. Read Eugene's thesis. You will have better sense of what grid resolution you need....
Forum: OpenFOAM Running, Solving & CFD February 18, 2009, 17:49
Replies: 220
Views: 62,301
Posted By nzy102
I missed contribution of SGS m

I missed contribution of SGS model from my previous calculation. Adding that (T = Bmean + R) gives the following plot:

Eugene's data:
...
Forum: OpenFOAM Running, Solving & CFD February 18, 2009, 17:44
Replies: 220
Views: 62,301
Posted By nzy102
I missed contribution of SGS m

I missed contribution of SGS model from my previous calculation. Adding that (T = Bmean + R) gives the following plot:

Eugene's data:
...
Forum: OpenFOAM Running, Solving & CFD February 18, 2009, 17:16
Replies: 220
Views: 62,301
Posted By nzy102
I missed contribution of SGS m

I missed contribution of SGS model from my previous calculation. Adding that (T = Bmean + R) gives the following plot:

http://www.cfd-online.com/OpenFOAM_Discus/clipart/your_image.gif

The...
Forum: OpenFOAM Running, Solving & CFD February 13, 2009, 12:03
Replies: 220
Views: 62,301
Posted By nzy102
Geeze, can't post an image:

Geeze, can't post an image:

http://www.cfd-online.com/OpenFOAM_Discus/messages/1/11156.jpg
Forum: OpenFOAM Running, Solving & CFD February 13, 2009, 11:59
Replies: 220
Views: 62,301
Posted By nzy102
Sorry, my bad. here is rms:

Sorry, my bad. here is rms:

/image{rms}
Forum: OpenFOAM Running, Solving & CFD February 13, 2009, 11:59
Replies: 220
Views: 62,301
Posted By nzy102
Sorry, my bad. here is rms:

Sorry, my bad. here is rms:

/image{umean}
Forum: OpenFOAM Running, Solving & CFD February 13, 2009, 11:50
Replies: 220
Views: 62,301
Posted By nzy102
Hi Jianying: Have you found

Hi Jianying:

Have you found a way to improve your results? I did a similar simulation using channel395, and here is my results:
...
Forum: OpenFOAM Running, Solving & CFD February 13, 2009, 11:39
Replies: 220
Views: 62,301
Posted By nzy102
Hi Jianying: Have you found

Hi Jianying:

Have you found a way to improve your results? I did a similar simulation using channel395, and here is my results:
...
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