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Forum: OpenFOAM

September 9, 2010, 08:47

Replies: 8

rotatingWallVelocity bc

Views: 4,125

Posted By madad2005

Heh, no worries. It's a surprisingly easy mistake...

Heh, no worries. It's a surprisingly easy mistake to make!

Forum: OpenFOAM

September 9, 2010, 08:23

Replies: 8

rotatingWallVelocity bc

Views: 4,125

Posted By madad2005

Ok, one thing to check (which I am sure you have...

Ok, one thing to check (which I am sure you have done) is that the diameter you are using is correct. Second is to make sure your origin is in the right place. What am I looking at in the image? Do...

Forum: OpenFOAM

September 9, 2010, 07:30

Replies: 8

rotatingWallVelocity bc

Views: 4,125

Posted By madad2005

velocity (m/s) = omega (1/s) * radius (m) ...

velocity (m/s) = omega (1/s) * radius (m)

Are you using the cylinder diameter or the radius to compute the rotational velocity? That could be why your velocity is twice as big as you were...

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