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impedance of transducer using comsol

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when i simulate the impedance of transducer. a single PZT5H disc show one resonance and anti-resonance, respectively. but when add the matching layer, another resonance and anti-resonance appears.

How to avoid this? add damping? Pictures are attached. Thank you for concerning about the problem.


2 Replies Last Post 2017年2月9日 GMT-5 08:00
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Hello Chunying Wang

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Posted: 9 years ago 2016年5月6日 GMT-4 15:46
Can you include the model? That may help.
Can you include the model? That may help.

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Posted: 8 years ago 2017年2月9日 GMT-5 08:00
Hello, I dont know the answer but i want to ask you a question about it. How did you get impedance result of PZT. I am trying but cant get.

Thank you
Hello, I dont know the answer but i want to ask you a question about it. How did you get impedance result of PZT. I am trying but cant get. Thank you

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