Bearing model for vibration analysis

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David López de la Cruz
编辑： Lynn Crevier 2022-6-13
Hello, I'm developing a project for my master's degree and I'm working with mechanical models for my research and I have a question:
Is there a bearing model whose vibrations can be obtained knowing the speed of the axis that rests on it?
Thanks for all.

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回答（2 个）

Steve Miller
Steve Miller 2019-3-25
You can find a model of a ball bearing in the Simscape Multibody Contact Forces Library.
Ball_Bearing_Testrig_Anim.gif
  1. Download the submission
  2. Run startup_Contact_Forces.m
  3. Navigate to the ball bearing example (see below)
Simscape_Multibody_Contact_Forces_DemoScript_Ball_Bearing.png
--Steve
  2 个评论
qinyuan luo
qinyuan luo 2019-11-6
I have download this model, but how can I set stiffness and damping for the bearing and get the the vibration of the bearing?
홍주 배
홍주 배 2020-8-24
I have download this model but is there any way to aply fault for beating?

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Jocie Kluger
Jocie Kluger 2019-11-11
Another approach could be to set bearing stiffness and damping as functions of rotor speed or constants in the Driveline Flexible Shaft block:
https://www.mathworks.com/help/physmod/sdl/examples/shaft-with-torsional-and-transverse-flexibility.html

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