2 diameters · 0 circles
Two nodal diameters, no circles. The simplest figure a free disc will hold.
- Plate
- Free disc, radius 120 mm
- Nodal diameters · circles
- n = 2, s = 0
- Eigenvalue λ² = ωa²√(ρh/D)
- 5.26
- Chladni’s law index (n + 2s)²
- 4
- Frequency
- 90 Hz on the reference plate