Dumb Dumb-Bell

Sketch of the Dumbbell Model by Horst Eckardt

February 13, 2017

This is most helpful and many thanks! It can be written up in UFT369 or UFT370, and is an incisive way of explaining Milankovitch cycles.”

You will not know this, not being physicists, and it would never occur to you to check the stability of your simulated solutions, but a ‘planar’ spinning-top is inherently unstable (see almost any work by Maunder). Carry out a perturbation analysis, and see. The ‘particulate top’ requires 3-fold symmetry. 

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