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Ultrasound transduce output

Posted Apr 10, 2017, 9:12 p.m. EDT Acoustics & Vibrations, Geometry, Materials, Modeling Tools & Definitions, Parameters, Variables, & Functions, Results & Visualization, Studies & Solvers, Structural Mechanics Version 5.2, Version 5.2a 0 Replies

Hamed Rahimi
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I like to model an ultrasound transducer as shown in the attached figure. I have all material properties from the manufacturer. I want to have 4 highlighted part in my Comsol model.

-For the backing part, only impedance is given. Is there any way that I can implement the backing as an impedance boundary on the back of the active element.
-For wear plate (which is a solid material), I have added it to the pressure acoustic and not solid mechanics physics. Is this a correct thing to do? I am not interested in stress / strain of wear plate. I just want to make sure that it correctly transmit the ultrasound waves.

Is there anything that needs to be fixed in the model?

I could not attach the file. Instead, I have shared dropbox link. Sorry for the inconvenience.
www.dropbox.com/s/d46zxy9fcn1m8qm/Complete%20model%20%281MHz%29.mph.mph?dl=0

I appreciate your help in advance.

Thanks,

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0 Replies Last Post Apr 10, 2017, 9:12 p.m. EDT
COMSOL Moderator

Hello Hamed Rahimi

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