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Double Pendulum

This Demonstration shows the time evolution of a frictionless two-pendulum system. It is one of the simplest constructions that exhibit chaotic behavior.

SNAPSHOTS

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DETAILS

The green and blue masses, lengths, and angles are denoted by , respectively. The Lagrangian for the system works out to . The equations of motion are worked out in [1].
Reference
[1] Double Pendulum

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PERMANENT CITATION

 Rob Morris
"Double Pendulum"
 http://demonstrations.wolfram.com/DoublePendulum/
 Wolfram Demonstrations Project
 Published: April 27, 2007
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