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Modal analysis for piezoelectrics

Modal analysis for piezoelectrics

Modal analysis for piezoelectrics

(OP)
Hello everybody,
I am a beginner in ANSYS. I am doing a Modal Analysis for piezoelectric actuator. I have a stack of discs of piezoelectric material located between 2 steel plates. I apply zero voltage at each interfase of piezoelectric discs. I need to determine resonance frequency and anti-resonance frequency. When I run the solution I can get frequencies for several modes (POST1). How I can identify resonance and anti-resonance frequencies.
Thanks   

RE: Modal analysis for piezoelectrics

The frequencies listed in /post1 are both the resonant and the anti-resonant frequencies:

/post1
file,<jobname>,rst
set,list


VM175 ("Natural Frequency of a Piezoelectric Transducer") has an example of this.

Cheers,

-- drej --


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