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Moems Fabry Perot Pressure sensor
Posted 23 set 2013, 04:20 GMT-4 2 Replies
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hi..
i am trying to simulate the structure something like attached figure. what i need to do is apply sinusoidal excitation (of resonant frequency of whole structure ) at the base (lower layer) of the structure..and see the deflection of free end of cantilever beam..which i m sensing by reflected light, from the structure..laser light is incident upon this end from the top..
my doubts are how do i apply sinusoidal excitation at the lower layer ie base.??
i read few other related threads sir but those didn't help me..
please help me???
thank you in advance..
i am trying to simulate the structure something like attached figure. what i need to do is apply sinusoidal excitation (of resonant frequency of whole structure ) at the base (lower layer) of the structure..and see the deflection of free end of cantilever beam..which i m sensing by reflected light, from the structure..laser light is incident upon this end from the top..
my doubts are how do i apply sinusoidal excitation at the lower layer ie base.??
i read few other related threads sir but those didn't help me..
please help me???
thank you in advance..
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2 Replies Last Post 23 set 2013, 06:10 GMT-4
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Posted:
1 decade ago
Hi,
you didn't tell us, which application mode you are using and what the frequency range is. In general you can apply a potential, port, or terminal BC to the plate and then run a frequency domain study in the frequency range of interest.
Cheers
Edgar
--
Edgar J. Kaiser
emPhys Physical Technology
you didn't tell us, which application mode you are using and what the frequency range is. In general you can apply a potential, port, or terminal BC to the plate and then run a frequency domain study in the frequency range of interest.
Cheers
Edgar
--
Edgar J. Kaiser
emPhys Physical Technology
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Posted:
1 decade ago
thank you sir for so quick reply..
sir i have to give the excitation frequency as resonant frequency of the structure..that i need to find out from eigen frequency analysis and i am applying sinusoidal voltage of same frequency with a potential in pzd module through piezoelectric material of same size as base, placed below to it..i m getting error like last time is not converged..what i can do ??? and also how to add viscous characteristics of surrounding air.??
sir i have to give the excitation frequency as resonant frequency of the structure..that i need to find out from eigen frequency analysis and i am applying sinusoidal voltage of same frequency with a potential in pzd module through piezoelectric material of same size as base, placed below to it..i m getting error like last time is not converged..what i can do ??? and also how to add viscous characteristics of surrounding air.??