Calculating/simulating effect of mass changes in a gyroscope

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SUMMARY

This discussion centers on the need for free software to simulate the behavior of gyroscopes when mass is added or removed in relation to their rotational axis and center of mass. Users highlight the complexity of manually calculating these effects, especially in different environments such as on the ground, in free space, or during free fall. The conversation emphasizes the importance of understanding gyroscopic motion and the impact of mass distribution on stability and vibration, particularly in devices like smartphones.

PREREQUISITES
  • Understanding of gyroscopic motion principles
  • Familiarity with center of mass calculations
  • Basic knowledge of rotational dynamics
  • Experience with simulation software tools
NEXT STEPS
  • Research free simulation software for gyroscopic behavior, such as Open Dynamics Engine
  • Learn about the mathematical models for gyroscopic motion and mass distribution
  • Explore the effects of mass imbalance in gyroscopes using physics engines like Unity or Blender
  • Investigate the impact of external forces on gyroscopic stability during free fall
USEFUL FOR

Engineers, physicists, and software developers interested in simulating gyroscopic effects, as well as hobbyists working on projects involving gyroscopes and motion dynamics.

jumpjack
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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).
 
Maybe I could write by myself such a SW, but I need some hints about the formulas.
 

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