Squeak in hip endoprosthesis systems: An experimental study and a numerical technique to analyze design variants.

@article{Weiss2010SqueakIH,
  title={Squeak in hip endoprosthesis systems: An experimental study and a numerical technique to analyze design variants.},
  author={Cornelius Weiss and Przemyslaw Gdaniec and N Hoffmann and Arne Hothan and Gerd Huber and Michael M. Morlock},
  journal={Medical engineering & physics},
  year={2010},
  volume={32 6},
  pages={
          604-9
        }
}
Hip endoprosthesis systems are analyzed with respect to their susceptibility to self-excited vibrations and sound or noise generation. Experimental studies reveal that certain configurations can become unstable causing exponentially growing regular high-frequency oscillations that asymptotically approach a limit-cycle with considerable amplitude. Ultimately the vibrations do also lead to the emission of sound that is perceived as squeaking or squeal. To identify dominant influence factors and… CONTINUE READING

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