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How to set oscillating pressure boundary condition

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Old   August 28, 2009, 01:52
Default How to set oscillating pressure boundary condition
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Hi everyone,

I would like to simulate the flow inside a tube having one closed end and the other end is driven by a loud speaker.

The speaker creates an oscillating pressure (and velocity) which will have an effect on the acoustic field inside the tube.

so to be clear: which boundary type shall I choose in GAMBIT for the speaker end. (the other boundaries are "wall" type).

Thank you in advance for your help
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Old   August 30, 2009, 22:16
Default any Help Plzzzzzzzzz
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Please help me!!!!!!!!!!!!!!
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