The Response Frequency Conversion Characteristic of a Nonlinear Curved Panel with a Centre Mass and the Sound Radiations

Figure 4

(a) Relative total vibration level (𝜔_sym/𝜔_anti-sym=1.85, 𝜔=𝜔_sym), (b) relative modal vibration levels of point B in (a), (c) relative total sound level (𝜔_sym/𝜔_anti=1.85, 𝜔=𝜔_sym).

(a)

(b)

(c)