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How to get oscillatory motion of fluid inside a pipe

Posted 21 juin 2016, 16:27 UTC−4 Fluid & Heat, Computational Fluid Dynamics (CFD) Version 5.2 0 Replies

Sajiree Vaidya
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Hi,

I am new to COMSOL and I am trying to model an oscillatory motion of the fluid inside a pipe. For the ease of computation, it is assumed that the pipe is filled with just the liquid. In reality, it is a multi-phase flow having pipe space half filled with liquid and rest with vapor. I want to know how can I get the fluid to oscillate with a certain oscillating frequency? What can be the inlet and outlet conditions to get the oscillatory motion?
I am trying to give pulsating pressure conditions at the inlet and outlet. But I am not sure how can I get the exact wave form in this case. Any input in this regard is appreciated.

Thanks.
0 Replies Last Post 21 juin 2016, 16:27 UTC−4
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