When we select the face in the flow trajectory function, it shows the fluid that pass through that surface.
What if i select more than one surface say A and B, does it show the fluid passing through (A or B) or (A and B) ??
A flow trajectory shows all paths taken by a fluid that enters or otherwise originates at the selection. So selecting face A (like an inlet) shows all paths from there. Selecting more faces, A and B (inlet and side wall) will show all paths from both, in that case it will show stagnation on a wall if there is little fluid movement.
There are two types; discrete and continuous. Discrete, the first options in the list (like pipes), show one complete cycle from beginning to end. Continuous, the last options in the last (like flat arrows), show a constant circulation.
what are you trying to evaluate in your model? maybe flow trajectories isn't the right thing?
I am simulating the flow pattern in a ventilation system.
There are some inlets and outlets in the system
I find that the flow pattern of selecting all the inlet at the same time is different from selecting the inlet separately and displaying them at the same time.
Also, I find that the flow pattern of selecting all the outlets is different from selecting all the inlets. Shouldn't it be the same? as the air coming in should all go out through the outlets.
Anything wrong or am I misunderstanding something??
what does different mean?
you've chosen 100 flow trajectories
which has to be spread out over all the areas that you select
so you'll start from different places
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