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

Figure 3

(a) Relative total vibration level (𝜔_sym/𝜔_anti-sym=2, 𝜔=𝜔_sym), (b) relative modal vibration levels of point A in (a), (c) relative total sound level (𝜔_sym/𝜔_anti=2, 𝜔=𝜔_sym).

(a)

(b)

(c)