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Search: Posts Made By: kkpal
Forum: OpenFOAM Running, Solving & CFD March 3, 2014, 21:24
Replies: 104
Views: 16,955
Posted By kkpal
I think at Re=100, turbulence model will...

I think at Re=100, turbulence model will jeopardize your result. In this regime the flow is mainly 2 dimensional and could be regarded as not turbulent.
Forum: OpenFOAM Running, Solving & CFD May 17, 2013, 12:36
Replies: 104
Views: 16,955
Posted By kkpal
dear sasan I think I found the cause for the...

dear sasan
I think I found the cause for the inaccuracy of the Str number in pimpleFoam.

http://www.cfd-online.com/Forums/openfoam-solving/94785-icofoam-vs-pisofoam-laminar.html


in this...
Forum: OpenFOAM Running, Solving & CFD May 17, 2013, 11:56
Replies: 104
Views: 16,955
Posted By kkpal
I just tried changing the settings in pimpleFoam...

I just tried changing the settings in pimpleFoam to the ones you provided, hoping that it would also give good result, but it did not.
It seems in my case ,icoFoam does a better job than pimpleFoam....
Forum: OpenFOAM Running, Solving & CFD May 17, 2013, 10:55
Replies: 104
Views: 16,955
Posted By kkpal
dear sasan thanks very much! your post solved...

dear sasan
thanks very much! your post solved the problem, I used icoFoam this time, now my St number is 1.62, which is much better than the previous ones. Now it is clear that it is not the...
Forum: OpenFOAM Running, Solving & CFD May 17, 2013, 04:39
Replies: 104
Views: 16,955
Posted By kkpal
how to accurately simulate flow around cylinder

hi everyone!
I've been doing simulation about flow around cylinder recently.
Some information about the case is listed below.

2D simulation;
U=1, D=1, rho=1, nu=0.01, so Re=100;
domain size:...
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