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boundary condition dilemma

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Old   June 11, 2008, 17:46
Default boundary condition dilemma
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alpha
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Hi CFX users

I have set up 1D interpolation to simulate a sound (sine wave) through a duct. I want to choose "total pressure" at the inlet. Its values will be read through a text file. I want to choose static pressure at the outlet.

As soon as I start the run solver reports the message "a wall has been place at the inlet and outlet ----". If I use openings it affects my results and I do not get a sine wave that I need. I would have to run same case with case LES so its not wise to use openings. What should I do? Thank you for your help.

alpha
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