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Pendulum driven by combination of horizontal and vertical excitation!

  1. Oct 3, 2009 #1
    Hello there,

    Could some one help me to find equations of motions of this problem attached to this message?

    thanks a lot

    Niko
     

    Attached Files:

  2. jcsd
  3. Oct 3, 2009 #2

    Cleonis

    User Avatar
    Gold Member

    The technical name of that setup is a parametrically driven pendulum. The suspension point moves up and slightly, in a sinusoidal pattern. When the driving frequency is an exact match for the natural frequency of the pendulum the drive will sustain the pendulum oscillation.

    A team of millersville University has build several small Foucault pendulums with parametric drive. See their "[URL [Broken]discussion[/URL] of equations of motion for a parametrically driven pendulum..

    Cleonis
     
    Last edited by a moderator: May 4, 2017
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