Reference / Input deck / model / boundary conditions / farfield / target / axes

axes

Body axes the angle of attack and the forces are measured in. Alpha turns from forward towards up; drag lies along the flow and lift at right angles to it, towards up.

forward up

forward

default +x

Body axis pointing forward, into the oncoming flow.

Options

Value	What it does
+x default
-x
+y
-y
+z
-z

default +z

Body axis pointing up. Lift is positive towards it.

Options

Value	What it does
+x
-x
+y
-y
+z default
-z