mixing layer vortices
I'm a French student in the field of Fluid mechanics, and I've got some trouble with the case of create vortices in a mixing layer in a pipe with two different speed at the entrance.
In fact, I put an UDF with an tangh profile for the velocity inlet, that varies during time. the unsteady calculation always give something that create vortices.
Does someone have a tutorial for this case ? Thanks
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