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Boundary Layer - Inflation Layer

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Old   September 16, 2017, 12:11
Default Boundary Layer - Inflation Layer
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Hi All,

Is having really fine mesh near the wall boundary would have same effect of having inflation layer (say the height of the fine mesh is same is the height of the first mesh of inflation layers)?

The actual question is whether inflation function is just creating fine meshing near the boundary rather than actually telling the program to apply the log law in that specific inflation layers.

I am modelling a wind around urban zone, and I have been trying to create polymesh with inflation layer on the ground. However, the fluent is keep giving error messages. So I just tried polymesh without inflation, but with really fine mesh near the ground using BOI. However, the result is not what I expected; similar to cutcell with inflation layer on the ground.

Thank you all for reading this.

Kind Regards,
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