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Chladni Plate | WA-9406
Driving the Chladni Plate
1. Connect the Wave Driver to your chosen function
generator. For more precise instructions, see the manuals
for the Wave Driver and function generator.
2. Using the sand shaker, sprinkle sand onto the plate.
3. Begin driving the plate over a range of frequencies from
about 100 Hz up to 5 kHz.
As you slowly vary the frequency, you will discover a variety of
standing wave patterns. (Change the frequency gradually, as the
resonances are very sharp and you might miss some if you
change frequencies too fast.) Adjust the amplitude and amount
of sand as necessary to get clear patterns.
TIP: Try holding an edge of the plate to
determine the effect this has on the resonant
frequencies and patterns.
For further investigations, you may want to create your own
Chladni plates. We recommend cutting them from aluminum
sheets approximately 0.035 inches thick, but you might find it
interesting to experiment with other materials.
2
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the reproductions are used only in their laboratories and classrooms, and are not
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