We can see that there are
two similar vortex. It’s can be predicted in many research result and
simulation for bluff body. The following picture is the graph of velocity
vector.
This is the velocity
vector around the billboard.
We can see that the
velocity vector in the upper and lower side of the billboard are similar. It’s
not like shown in the case 1 whose the upper cells are outlet.
The following picture is
for relative static pressure graph in the domain and around the billboard.
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