# Visualizing force of a domain in potential flow

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 June 6, 2011, 08:48 Visualizing force of a domain in potential flow #1 New Member   Join Date: May 2011 Posts: 2 Rep Power: 0 Hi, My homework is to simulate two spinning cylinder in potential flow in 2D.(Flettner rotorship) I successfully got the velocity streamlines, and pressures, which are nice and beautiful. Additionally I have to visualize the resultant forces developing on the two rotating cylinder. Eg: One vector from the center of each cylinder. Is there a way to do that in CFX-Post?

 June 6, 2011, 19:15 #2 Super Moderator   Glenn Horrocks Join Date: Mar 2009 Location: Sydney, Australia Posts: 10,665 Rep Power: 84 Yes. Use the function calculator to give you force_x, y and z.

June 7, 2011, 03:40
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 Originally Posted by ghorrocks Yes. Use the function calculator to give you force_x, y and z.
And then? Can I draw vectors based on that data within Ansys, or my only chance is to use an external software (eg inkscape) to draw into exported images?

 June 7, 2011, 18:55 #4 Super Moderator   Glenn Horrocks Join Date: Mar 2009 Location: Sydney, Australia Posts: 10,665 Rep Power: 84 What are you trying to do? If you are just trying to produce an image with the total force vector shown in the right direction then use photoshop.

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