Helicopter Rotor Flow Analysis Using Mapped Chebyshev Pseudospectral Method and Overset Mesh Topology

Table 2

Aerodynamic coefficients at Mach number of 0.439.

			F.M.
Experiment	0.0046
Time-accurate Method	0.0051	0.00049	0.53
Harmonic Balance Method	0.0051	0.00049	0.53
Present (Chebyshev spectral Method)	0.0051	0.00049	0.53