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Kulas
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Waves

08/08/2015 8:47 AM

I was tantalized by Chladni Plates lately. Wow, wave has beauty and very interesting to know the mechanics. What could have been causing this formation?

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Anonymous Hero
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#1

Re: Waves

08/08/2015 9:29 AM

The plate simply vibrates at a rate due to its material and its shape.

The material on the plate simply gathers at regions where the waves cancel (antinode) and produce little movement in the metal sheet.

Just search the internet for the physics of waves and have fun.
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cristle
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#4
In reply to #1

Re: Waves

08/09/2015 12:49 AM

Are you sure that the material gathers at the antinode?
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Rixter
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#5
In reply to #4

Re: Waves

08/09/2015 7:43 AM

According to this, it should collect at the nodes...

Definition of antinode
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Anonymous Hero
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#7
In reply to #5

Re: Waves

08/09/2015 10:18 AM

Yes, you are correct.

I got it backwards. :-/
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dkwarner
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#6
In reply to #1

Re: Waves

08/09/2015 10:16 AM

As cristle indicates, the nodes are where the waves cancel (destructive interference) and the material gathers. The antinodes are the regions of maximum motion, where the waves experience constructive interference.

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Rixter
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#2

Re: Waves

08/08/2015 10:27 AM

You can order one. I don't know if it includes the shaker.

http://www.pasco.com/prodCatalog/WA/WA-9607_chladni-plates-kit/#overviewTab
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Rixter
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#3
In reply to #2

Re: Waves

08/08/2015 3:55 PM

Apparently other parts required:

Driver:

http://www.pasco.com/prodCatalog/SF/SF-9324_mechanical-wave-driver/

+ a signal generator with 8 volt output.
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claritysable
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#8

Re: Waves

08/09/2015 5:43 PM

Also very tantalizing:

https://www.youtube.com/watch?v=Q3oItpVa9fs

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