Velocity of sound (transverse) 1

[saurabhsuresh]

Hi ....

Can anyone tell me if there is an equation to find the transverse velocity of sound in a plate?

Thanks!
Saurabh

 

[GregLocock]

Speed of the bending modes? Why yes of course there is. If you find a paper on radiation efficiency of sound from plates it'll have it in, as does Blevins.

Cheers

Greg Locock


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[saurabhsuresh]

Is that what transverse waves are...the bending waves (pardon my ignorance) ....because i need two wave speeds, the longitudinal wave speed and the transverse wave speed. So are you saying that Bending wave speed and transverse wave speed are the same

 

[GregLocock]

What geometry is your plate?

Cheers

Greg Locock


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[saurabhsuresh]

its a rectangular/square plate with very small thickness ....almost like a sheet

 

[GregLocock]

OK, yes I'd call the speed of sound in the long dimensions the axial speed of sound, root G/rho, and then the bending waves are the transverse speed of sound, and will be dependent on both frequency and geometry as well.

Cheers

Greg Locock


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[saurabhsuresh]

FANTASTIC!....thanks so much..that really soved a lot of problems..coz i had a formula for bending waves speed and it was dependent on the freq and I was wondering if that was correct or not
..thanks again!