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Forum: OpenFOAM Post-Processing

March 1, 2013, 10:41

Replies: 9

wallGradU components

Views: 4,647

Posted By fumiya

Hi Amin, I think it depends on your...

Hi Amin,

I think it depends on your simulations:

Solving laminar flows
Solving turbulent flows with low Re trubulence model
Solving turbulent flows with high Re turbulence model

In...

Forum: OpenFOAM Post-Processing

February 21, 2013, 05:14

Replies: 9

wallGradU components

Views: 4,647

Posted By fumiya

I have misunderstood the utility "wallGradU" and...

I have misunderstood the utility "wallGradU" and the "snGrad()" function used in it.
In the utility "wallGradU", the wall normal gradient is calculated using the "snGrad()"
function and this...

Forum: OpenFOAM Post-Processing

February 20, 2013, 09:14

Replies: 9

wallGradU components

Views: 4,647

Posted By fumiya

Hi Amin, I think the three components of...

Hi Amin,

I think the three components of wallGradU are (Ux/Δ , Uy/Δ , Uz/Δ).

where
Δ: distance between cell center and the wall
U = (Ux, Uy, Uz)

The vector wallGradU is the approximation...

Showing results 1 to 3 of 3

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