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-   -   UDF sine wave (http://www.cfd-online.com/Forums/fluent/36114-udf-sine-wave.html)

enda March 22, 2005 14:20

UDF sine wave
 
I am simulating a horn with a pres inlet with a half sine wave and a pressure outlet at atmospheric pressure, aft of the mouth. I am monitoring the pressure levels at the mouth but instead of the pressure dissipating after a few micro secs, I am finding that new waves are "creating" themseleves in the horn. I expect a certain amount of this due to standing waves etc. but not to this extent. Does anyone have any ideas?


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