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David Banks August 14, 2007 05:19

Specifying axis of rotation
Hi everyone

I have a turbine model whose axis of rotation is parallel with the X-axis (it sits 10m above it).

When you are choosing values for your fluid zone/wall, how do you specify where the axis is? I am inputting a unit vector value of 1 in the X tab but this isnt relating to the real axis

Any help would be great


tom August 15, 2007 04:22

Re: Specifying axis of rotation
I had the same problem, but the rotation axis wasn't even parallel to one of those in Fluent. So i went back and created the geometry again. But in your case I think it is not necessary. Try to specify the rotation-axis order to do this you must pick any point on your axis and check its coordinates.

David Banks August 15, 2007 05:14

Re: Specifying axis of rotation

How do I specify the rotation axis origin? Is this done in Fluent?

tom August 15, 2007 05:50

Re: Specifying axis of rotation
yes in Fluent, define -> boundary conditions -> zonename ->

you will open the window for defining boudary conditions for the zone you are interested in. rotation-axis origin panel is just next to rotation-axis direction panel.

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