Prediction of Dynamic Stability Using Mapped Chebyshev Pseudospectral Method

Table 2

Dynamic derivatives for NACA 0012 airfoil from pitching moment.

	Stiffness (in-phase)	Damping (out-of-phase)
Time-accurate	0.12	−3.96
FPM (15)	0.11	−3.79
CPM (4)	0.13	−3.09
CPM (6)	0.11	−3.60
CPM (8)	0.11	−3.75
CPM (14)	0.11	−3.82