Research Article

Chaotic Phenomena and Nonlinear Responses in a Vibroacoustic System

Table 1

(a) Mode convergence for various excitation frequencies (nonchaotic,  mm,  m,  m,  m, ,  mm, , 16 acoustic modes).

Excitation freq., =1st symmetric mode1st antisymmetric mode2nd symmetric mode2nd antisymmetric mode

0.74198.420.001.580.00
2.11797.850.002.150.00
2.51099.440.000.560.00

(b) Mode convergence for various excitation magnitudes (chaotic,  mm,  m,  m,  m, ,  mm, , 16 acoustic modes).

Excitation magnitude, =1st symmetric mode1st antisymmetric mode2nd symmetric mode2nd antisymmetric mode

570.9022.436.670.00
1076.6616.886.460.00
2082.6413.234.130.00

(c) Mode convergence for various numbers of acoustic modes used (chaotic,  mm,  m,  m,  m, ,  mm, , ).

Number of acoustic modes = 1st symmetric mode1st antisymmetric mode2nd symmetric mode2nd antisymmetric mode

382.6214.063.320.00
882.6613.214.130.00
1682.6413.234.130.00