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Search: Posts Made By: xiuying
Forum: OpenFOAM Running, Solving & CFD December 17, 2008, 19:43
Replies: 12
Views: 4,202
Posted By xiuying
sorry, I forgot writing the ph

sorry, I forgot writing the phase-lag. It is 13 degree between the wave velocity and its wall shear stress.
Forum: OpenFOAM Running, Solving & CFD December 17, 2008, 18:19
Replies: 12
Views: 4,202
Posted By xiuying
Hi, Niels, Thanks so much. I

Hi, Niels,
Thanks so much.
I used Jensen's test 10 to compare my computing result. In my model the wave flow was drived by an oscillatary body force, and the inlet and outlet used cycle boundary...
Forum: OpenFOAM Running, Solving & CFD December 17, 2008, 16:03
Replies: 12
Views: 4,202
Posted By xiuying
Hi, I want to calculate the

Hi,

I want to calculate the wave friction factor on the channel bed with turbulent k-epsilon model using the relation of the friction factor f=2*tau(max)/(pou*U(max)^2),where tau(max) is the...
Forum: OpenFOAM Running, Solving & CFD December 16, 2008, 14:33
Replies: 12
Views: 4,202
Posted By xiuying
Thank Jose for your answer.

Thank Jose for your answer.

I compared the wallGradU tangential component with my du/dy, and they are much more different.

Xiu
Forum: OpenFOAM Running, Solving & CFD December 15, 2008, 20:20
Replies: 12
Views: 4,202
Posted By xiuying
Hi, The case is the simple

Hi,

The case is the simple smooth channel. Now I want to calculate the bottom wall shear stress. I use the function wallGradU as following
forAll(wallGradU.boundaryField(), patchi)
...
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