span_chordΒΆ
Retrieve the local span and local chord
- param i_node_surf
Node index in aerodynamic surface
- type i_node_surf
int
- param zeta
Aerodynamic surface coordinates
(3 x n_chord x m_span)
- type zeta
np.array
- returns
dir_span
,span
,dir_chord
,chord
- rtype
tuple