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Discrete Data As Boundary Condition in CFX-Pre

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Old   November 10, 2011, 22:22
Question Discrete Data As Boundary Condition in CFX-Pre
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Ashkan Javadzadegan
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Hi all,

I have following discrete data of time dependent pressure distribution and I want to impose these discrete data as inlet boundary condition in CFX-Pre. I would be too pleased if anybody help me to do that.

Time Pressure
016.54770.0117.88940.0219.67840.0322.8090.0429.51760.0538.46230.0645.17090.0746.95980.0848.74870.0950.53770.152.7739

Thank you very much.
AshtonJ
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Old   November 11, 2011, 01:33
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Glenn Horrocks
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Use a 1D interpolation function.
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Old   November 12, 2011, 00:20
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Ashkan Javadzadegan
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Quote:
Originally Posted by ghorrocks View Post
Use a 1D interpolation function.
Thanks for your kind reply. I tried to use 1D interpolation function, however, I was asked to enter the coordinate for each pressure value. I'd like to let you know that I have average pressure at each time interval. I mean, at different times, I have pressure values (a time dependent distribution) and don't have the coordinate. Please let me know what the coordinate is for my problem.
Thank you very much
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Old   November 13, 2011, 18:03
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Glenn Horrocks
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Coordinate? Then you used a 3D interpolation function. You need a 1D interpolation function.
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Old   November 13, 2011, 21:46
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Ashkan Javadzadegan
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Image1 URL: http://imageshack.us/photo/my-images...nfunction.jpg/
Image2 URL: http://imageshack.us/photo/my-images/528/mydata.jpg/
Again thanks for your attention. I attached an image(1D interpolation Funcation.jpg) which shows that for 1D function, I need to specify the coordinate of each value. My data is also attached as an image. Please have a look and let me know how I can use the attached data as BC.

Thank you very much
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Old   November 14, 2011, 06:16
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Glenn Horrocks
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I see. In your case you define pressure as the result unit and time as the argument units. Then your coordinates are (time, pressure).
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