# free surface+ansys cfx

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July 21, 2015, 14:16
free surface+ansys cfx
#1
New Member

A.heydari
Join Date: May 2015
Posts: 28
Rep Power: 2
i want to plot the height of free surface at some particular distance x (horizontal
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Last edited by heydari; July 22, 2015 at 03:57.

 July 21, 2015, 16:02 #2 Member   rasool Join Date: Apr 2013 Posts: 41 Rep Power: 4 define a plane in particular location and plot the volume fraction of your fluid. you will find.

July 22, 2015, 03:51
open channel problem
#3
New Member

A.heydari
Join Date: May 2015
Posts: 28
Rep Power: 2
I have an open channel problem.
1-How can I Get Charts of water surface in CFD-POST (ansys cfx) at at some particular distance x ?
for example:
(x=0.1m,water surface=0.09m),...
2-change in discharge should be exchange to velocity in the inlet boundry?
for exampel:
Q=0.1m^3/s----A=0.011m^2---i.e---v=8.77m/s
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 July 22, 2015, 06:21 #4 Super Moderator   Glenn Horrocks Join Date: Mar 2009 Location: Sydney, Australia Posts: 11,045 Rep Power: 86 To get water height at a specific location: Draw a vertical line from in the water to the air, the full height of the domain. Then do a CEL expression lineInt(water.vf)@Line Object. This will give you the length of the line exposed to water. To get the full water surface: Generate an isosurface of vf=0.5. File/Export and use the isosurface as the location. heydari likes this.

 July 22, 2015, 15:25 question 2 #5 New Member   A.heydari Join Date: May 2015 Posts: 28 Rep Power: 2 Thank you for your friendship; question(1)=o.k please question (2)?

 July 22, 2015, 15:44 #6 Member   rasool Join Date: Apr 2013 Posts: 41 Rep Power: 4 it is not clear for me. but maybe you make mass flow rate at inlet

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