Membrane Impedance
Membrane Impedance
(OP)
hallo all,
I'm working with calculating the acoustic impedance of a rectangular/square membrane, i.e. Za = acoustic_pressure/volume_velocity. I have been searching the relevant equations, but so far unseccessfully. If you have the formulae on hand or any book to be recommended, kindly give me a clue.
A lot of thanks in advance.
Xianer
I'm working with calculating the acoustic impedance of a rectangular/square membrane, i.e. Za = acoustic_pressure/volume_velocity. I have been searching the relevant equations, but so far unseccessfully. If you have the formulae on hand or any book to be recommended, kindly give me a clue.
A lot of thanks in advance.
Xianer





RE: Membrane Impedance
www.mne.psu.edu/lamancusa/me458/9_trans.pdf as a general overview
and
http://links.jstor.org/sici?sici=0080-4630(19820809)382%3A1783%3C245%3ATAREOR%3E2.0.CO%3B2-V
for the exact answers.
Wallace also analysed them, I don't know what the paper was called.
Cheers
Greg Locock
Please see FAQ731-376 for tips on how to make the best use of Eng-Tips.
RE: Membrane Impedance
thanks a lot for your reply. It's a pity there is no the recommended book in my library.
Actually I'm looking for some formulae on membrane, which are expected to directly relate displacement and tension/stress. A reference equation for circular membrane is found in theory of electroacoustics by Josef Merhaut, but the expectant formulae for rectangular membrane is unfortunately not available in my references.
Thanks again.
Xianer