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Forum: CFX

April 12, 2011, 09:55

Replies: 11

Solid Body rotating

Views: 1,710

Posted By Svidd

well, if I'll write this expressions: ...

well, if I'll write this expressions:
R=(x^2+y^2)^(1/2)
f0=asin(x/R)
X1=R*sin(f0+RotationAngle)
Y1=R*cos(f0+RotationAngle)
RotationAngle=Omega*Time
That will do the right thing?

and no,...

Forum: CFX

April 12, 2011, 00:27

Replies: 11

Solid Body rotating

Views: 1,710

Posted By Svidd

So I need to use wall boundary for hemisphere...

So I need to use wall boundary for hemisphere surface, and then give it tangential velocity?

Therefore, I understand, how to set a tangential velocity ac a function of XYZ location, but I dont...

Forum: CFX

April 11, 2011, 11:57

Replies: 11

Solid Body rotating

Views: 1,710

Posted By Svidd

http://img861.imageshack.us/i/93422970.jpg/ ...

http://img861.imageshack.us/i/93422970.jpg/

As simple as that. I need to set this hemisphere rotating around Z axis, and then set an airflow around it, to determine what's going to happen with the...

Forum: CFX

April 11, 2011, 00:11

Replies: 11

Solid Body rotating

Views: 1,710

Posted By Svidd

I tried to use rotating frame of reference, it...

I tried to use rotating frame of reference, it seems to be the simplest way, but I still don't really understand how can I set one.

Forum: CFX

April 10, 2011, 08:29

Replies: 11

Solid Body rotating

Views: 1,710

Posted By Svidd

I appreciate your responde, but can you tell me,...

I appreciate your responde, but can you tell me, how can I set hemisphere angle to my expression?

Forum: CFX

April 9, 2011, 12:31

Replies: 11

Solid Body rotating

Views: 1,710

Posted By Svidd

Solid Body rotating

I am new to this forum, and I hope, that someone would help me with little problem. How can I specify rotational velocity using CEL on a hemisphere?

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