peter_beshay
Subscriber
Hi Aitor
i am simulating oil-water stratified wavy flow in horizontal pipeline (that's considered globally unstable?).
The effect of velocity fluctuations at inlets (using vortex method or spectral synthesizer) was not negligible, it leaded to pressure bursts (peaks) which where unphysical as you can see in the above figures.
The Re is not too high, around 5000-8000 for water and of the order of 200-300 for oil
I am also curious why problems appear when incorporating artificial turbulence at inlets for LES, while for embedded-LES, it works fine
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