i have some problems with the forces output from fluent i am testing a sailing boat rudder at different angle of attack at 0° i have viscous forces that look right but very big pressure forces what does pressure forces represents here?
finally i wondering what booundary conditions i should use i have seen many tutorial but none with low speed velocity inlet for inlet but what for outlet (outflow or pressure) and for the sides (wall symetry(only for 0° angle of attack) or velocity inlet too
thank u so much
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