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modelling of EMATs

Posted 17 ott 2013, 09:53 GMT-4 Low-Frequency Electromagnetics, Structural Mechanics Version 4.3b 2 Replies

Evans Ashigwuike
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Hi,
I am trying to model an electromagnetic acoustic transducer which involves three physical phenomenon: The static magnetic field generated by the horse shoe magnetc, the dynamic magnetic field generated by a coil driven by a sinusoidal current, and the solid mechanics which generatecs the sound wave on the material (steel).
The sound is wave is generated as a result of the interact of the induced current and the magnetic field generated by both the magnet and the coil.

Question:

1. the model could not couple the structural mechanics, what can i do to couple the three physics.

Please see attched my model.

Attachments:

2 Replies Last Post 25 mag 2017, 06:19 GMT-4
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Hello Evans Ashigwuike

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Natalie Chaves
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Posted: 7 years ago 24 mag 2017, 15:45 GMT-4
Could you solve this? I could share a simulation with the same problem.
thanks
Could you solve this? I could share a simulation with the same problem. thanks
Pavel Dergachev
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Posted: 7 years ago 25 mag 2017, 06:19 GMT-4
One of the Russian student works on the topic -> vk.com/comsolmultiphysics?w=wall-49705233_3036
One of the Russian student works on the topic -> https://vk.com/comsolmultiphysics?w=wall-49705233_3036

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