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-   -   User Surface, Calculator (http://www.cfd-online.com/Forums/cfx/21822-user-surface-calculator.html)

Christian Bruzzese November 14, 2005 10:33

User Surface, Calculator
 
Hi,

I have tried to use the CFX POST Calculator to evaluate the flow field through a User Surface in CFX Post.

But the results have no sense. It seems that there are only four mesh points on the User Surface: the four end points of the rectangle

that defines the User Surface. The mesh points lying in the inner part are not considered, unlike when using a PLANE.

The problem is that I have to use a USER Surface in order to evaluate the flow field over a bounded area which lies completely in the flow field.

Does somebody know more about using a the Calculator on a User Surface?

Thanks

Christian


Rui November 14, 2005 19:00

Re: User Surface, Calculator
 
Hi,

How have you created the User Surface?When you visualize it with the "Draw Lines" option (Render tab) enabled, do you see the lines?

Rui

Christian Bruzzese November 15, 2005 03:37

Re: User Surface, Calculator
 
HI, I created the User Surface with the option: FROM FILE and then referenced to a text file which contains the coordinates of the 4 end points of the user surface (it's explained in the help of cfx).

NO, I can't see the projection of the mesh elements on the user surface.

Rui November 15, 2005 11:13

Re: User Surface, Calculator
 
Hi Christian,

I've never created user surfaces through that method. But it seems you have to include the inner points in the text file.

Rui


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