New Look at Nonlinear Aerodynamics in Analysis of Hypersonic Panel Flutter

Figure 9

A square panel at Ma = 15, under different dynamic pressures: (a) phase portraits at ; (b) phase portraits at ; (c) phase portraits at ; (d) Poincaré maps at ; (e) Poincaré maps at .

(a)

(b)

(c)

(d)

(e)