Ansys CFX - CFD-Post - Surface Generation

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  • Last Post 07 June 2019
PipMin posted this 06 June 2019

Hi guys,

I am doing a flow analysis on a ventilated brake disc and I need to evaluate the mass flow rate that is coming out from the radial vane. I tried to find information online and I found a way which says to create a surface above the disc vane (2mm above) and evaluate the mass flow from that surface.

 

My first trial to create the surface that I need was to design three planes (as in the figure above) and trying to obtain a surface which is the intersection between the three planes, but I cannot obtain anything similar.

The surface that I need, should be as the green square between the two grey vertical planes.

Can you please explain to me how to do it?

Thanks!

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rwoolhou posted this 06 June 2019

Use an iso-clip on the green surface: limits will be in the y-direction. 

PipMin posted this 06 June 2019

I tried to do a general iso-clip on the green plane and to see some parameters but it seems that it doesn't work... And I can't put a y-direction limitis... I can't see where I am wrong

rwoolhou posted this 07 June 2019

You should be able to clip to "Y" if you're looking at the list and can't see what you want to clip to is there a button next to the list with "..." on it? The interface doesn't always display everything but that "..." button opens all the possible options. 

rwoolhou posted this 07 June 2019

Upgrading to 2019 may also help. 

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