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It appears that independently the incidence angles and dihedral angles are rotated correctly but when combined they are incorrect. It appears the rotation for the airfoil rotation occurs around the global Y axis not the airfoil normal vector.
Version: 3.37.2
OS: Linux
Steps to replicate:
change camera to front view
construct generic wing with multiple airfoils sections (1 or more) along span
select "rotate all airfoils" to match dihedral
input incidence and dihedral angles.
The results exhibit the same behavior as an object rotated first in dihedral and then applied an incidence. The issue may be resolved by changing the order of operations to incidence rotation first then dihedral. Or a more robust solution would be to have a selction to either rotate along the global axis (current behavior) or use the computed normal vector for incidence rotation.
The text was updated successfully, but these errors were encountered:
MachJok
changed the title
Rotate Airfoils with dihedral appears to rotate airfoils on global y instead of airfoil normal vector
Rotate Airfoils with dihedral appears to rotate airfoil sections in incidence first then dihedral using global axis
Apr 6, 2024
It appears that independently the incidence angles and dihedral angles are rotated correctly but when combined they are incorrect. It appears the rotation for the airfoil rotation occurs around the global Y axis not the airfoil normal vector.
Version: 3.37.2
OS: Linux
Steps to replicate:
The results exhibit the same behavior as an object rotated first in dihedral and then applied an incidence. The issue may be resolved by changing the order of operations to incidence rotation first then dihedral. Or a more robust solution would be to have a selction to either rotate along the global axis (current behavior) or use the computed normal vector for incidence rotation.
The text was updated successfully, but these errors were encountered: