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Ultrasound propagation in composites

Posted Nov 3, 2021, 11:39 a.m. EDT Structural & Acoustics, Acoustics & Vibrations 2 Replies

Natalia Guevara
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Hello,

I have been trying to model ultrasound propagation with time in a composite material, but I am not sure how to correctly apply the boundary conditions (frequency and amplitude of the ultrasonic waves). I am using the acoustic-structure interaction multiphysics module. I would appreciate any suggestions you can give me.

Thank you.

2 Replies Last Post Nov 4, 2021, 2:28 p.m. EDT
Acculution ApS Certified Consultant
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Posted: 3 years ago Nov 4, 2021, 1:41 p.m. EDT

Hi Natalia,

Do you have some more information on this? Are you trying to compare to an analytical solution, or some solution found in a paper? It is really up to you to apply the boundary conditions that you see fit.

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René Christensen, PhD
Acculution ApS
www.acculution.com
info@acculution.com
Hi Natalia, Do you have some more information on this? Are you trying to compare to an analytical solution, or some solution found in a paper? It is really up to you to apply the boundary conditions that you see fit.
Jeff Hiller COMSOL Employee

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Posted: 3 years ago Nov 4, 2021, 2:28 p.m. EDT
Updated: 3 years ago Nov 4, 2021, 2:51 p.m. EDT

Natalia,

It's not clear to me that you should be using the acoustic-solid interaction physics interface. From your post, I gather that you're interested in modeling vibrations only in solids. You may want to start by looking at models from the Application Gallery that are conceptually similar to what you want to model as a starting point.

Best regards,

Jeff

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Jeff Hiller
Natalia, It's not clear to me that you should be using the acoustic-solid interaction physics interface. From your post, I gather that you're interested in modeling vibrations only in solids. You may want to start by looking at models from the [Application Gallery](https://www.comsol.com/models) that are conceptually similar to what you want to model as a starting point. Best regards, Jeff

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