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convert time domain data to frequency data in COMSOL
Posted 2010年10月4日 GMT-4 05:44 0 Replies
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I am modeling a magnetic actuator, which is comprised of two electromagnets and a permanent magnet. I would like to move the permanent magnet in between the two electromagnets by changing the polarity of current. I did this modeling on time domain by combining the moving mesh and the perpendicular induction current multiphysics.
I would like to place this actuator on a plate, which is excited by a loud speaker. To model this, I used the pressure acoustics(time harmonic) for cavity in which loudspeaker is present and structural mechanics(frequency response) for the plate.
Now, I have two geometries. One is for the magnetic actuator (time domain) and, plate and cavity (frequency domain). I would like to use the inertial force of the permanent magnet, which I will get from the magnetic actuator in time domain, on the plate. As, the plate is on frequency domain, I would like to convert the inertial force from time domain to frequency domain.
However, I don't know how to do this in COMSOL. Even if, I don't know how to import this time data and convert it to frequency data and then export it again to use it on the plate. If anybody has any idea on this, I will happily appreciate it.
With Regards,
Kiran
Hello Kiran Sahu
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