Radiation Impedance

These animations show the displacement of a vibrating surface along with the corresponding radiated sound pressure at low frequencies (ka = 0.1) and at high frequencies (ka = 10).

 

Spherical Source - Low Frequency

Spherical, low frequency

Spherical Source - High Frequency

Spherical, high frequency

Baffled Circular Piston - Low Frequency

Baffled piston plot

Baffled Circular Piston - High Frequency

Baffled circular, high frequency plot