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Forum: CFX

December 10, 2009, 22:50

Replies: 7

Wind Velocity Profile in ANSYS CFX

Views: 6,502

Posted By diluom

U* vs Uref and Zref

Thanks Everyone!
However I have another 2 problems. :D

1. Do we need to analyse this problem as steady state or transient? Since we are taking the turbulence into consideration, is it correct to...

Forum: CFX

December 4, 2009, 05:31

Replies: 7

Wind Velocity Profile in ANSYS CFX

Views: 6,502

Posted By diluom

Thanks a lot AliTr However I'm trying to use...

Thanks a lot AliTr

However I'm trying to use another function

u(z) = (Uref*ln(z/z0))/(ln(zref/z0))

my problem with this is that once the z=0, the expression becomes meaningless. How can I...

Forum: CFX

December 4, 2009, 00:18

Replies: 7

Wind Velocity Profile in ANSYS CFX

Views: 6,502

Posted By diluom

Wind Velocity Profile in ANSYS CFX

Hi,

I'm trying to use CFX to model wind behaviors around tall buildings and have a few problems.

1. How can I insert the equation to the inlet to create a velocity profile?

2. Do I have to...

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