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Calculating/simulating effect of mass changes in a gyroscope

  1. Nov 11, 2015 #1
    Can anybody suggest a free SW to simulate the behavior of a gyroscope upon adding/removing a mass in various places with respect its rotational axis and/or baricenter? It looks like it's quite complex to manually calculate or just "imagine" it.

    A gyro standing on a floor does behave in a different manner from a gyro floating in free space or from one freely falling down.

    For example, in our smartphone there is a little "gyroscope" with a misbalanced mass which, upon rotation, causes a vibration (=attempt to put the baricenter on the rotation axis); but what would happen to the phone while freely falling? Would it vibrate, or would the mass start rotating around its baricenter? (maybe not, because its controlling motor is in fixed position wrt the phone).
  2. jcsd
  3. Nov 16, 2015 #2
    Thanks for the post! This is an automated courtesy bump. Sorry you aren't generating responses at the moment. Do you have any further information, come to any new conclusions or is it possible to reword the post?
  4. Nov 17, 2015 #3
    Maybe I could write by myself such a SW, but I need some hints about the formulas.
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