744 Hz
Third resonance, crowded by its neighbours. Small drive shifts change the figure.
- Plate
- Square, free edges, driven at the centre
- Drive frequency
- 744 Hz
- Response
- Superposition of all modes weighted by 1 / [(k² − k²ₘₙ) + 2iγk]
- Dispersion
- f = C·k², C = 0.246 m²/s