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vij June 29, 2011 12:32

exporting cfx file in tecplot
Can anyone tell me hoe to export solution file of CFX in tecplot.I dont find cgns format in cfx.

ghorrocks June 29, 2011 18:14

In the solver manager go tools/export and select an appropriate format.

vij July 2, 2011 13:01

I am currently forming grids of a kaplan turbine in Gridgen to simulate in CFX.Is there any specific way to make mesh to run in CFX?

Far July 2, 2011 13:48

There is no topology limitation on mesh by CFX. Even you can run the mesh with non matching periodic boundaries. However limit on the lower angle is 20 deg, check it out in the CFX help

vij July 18, 2011 11:18

I have completed the mesh of the kaplan turbine.How do we assign the boundary conditions ?

ghorrocks July 18, 2011 18:31

Sounds like you need to do the CFX tutorials. They explain how the basics work. These come with the CFX installation.

vij July 25, 2011 11:54

I have my boundary conditions now but when I put the physics definition and clicked next,there's an error saying region name "unmatched "was not recognized.Can you tell me when this error occurs?thanks

vij August 18, 2011 14:28


sorry for the above question.I am new to CFX actually to CFD.So getting lil difficult to understand. Ghorrocks,as you said I'm going through tutorials and it's helping me a lot.However,I came across a confusion with the reference pressure and total pressure.I have a head of 10.41ft with pressure as inlet boundary condition.Is total pressure a net head rise over atmospheric pressure?IF yes then what should be the reference pressure? I dont know if this is an appropriate question or not,but i would really appreciate you if make me clear about this.

ghorrocks August 18, 2011 18:43

The reference pressure should be set at a representative pressure in the simulation. In your case that could either be atmospheric pressure, or maybe atmospheric plus a 10.41ft head. Total pressure includes the contribution from the flow velocity -

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