Animating Double Pendulum
Jiro's pick this week is Animated Double Pendulum by Alexander Erlich.
This is a fun pick. Animations have a special place in my engineer's heart. If pictures paint a thousand words, animations paint (1000 x NumberOfFrames) words. With his submission, Alexander illustrates the interesting dynamics of a double pendulum. The cool thing is that you can specify different parameters (gravity, masses, and link lengths) and initial conditions (angles and angular velocities) to see their effects.
As of today, he actually has 2 other entries (Spinning Top, Vibrating String) that use animation to convey concepts.
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