Contact Communication

Long-lived Giant Number Fluctuations in a Swarming Granular Nematic - pdf (734 kb)

--

--

"Emergence of agent swarm migration and vortex formation through inelastic collisions" - pdf (1.6 mb)

--

For a in-depth overview on Collective Motion: http://arxiv.org/abs/1010.5017

Discrete Element Method (DEM)

http://en.wikipedia.org/wiki/Discrete_element_method 

WOO has got the Ellipsoids going.

Elliptical-design based on a Spring-mechanism

'Springs' and 'Discretization of the problem'

http://www.youtube.com/watch?v=uP7uxiQKGuM (at 2:57 and 4:00)

Rocking Horse pivots and follows an elliptical path,

 Same set-up but with a spring,

A foot colliding with the ground follows the same path. 

Slinky |ˈsli ng kē|

noun ( Slinky) trademarka toy consisting of a flexible helical spring that can be made to somersault down steps.(In action: https://www.youtube.com/watch?v=ltwxC19s5u8)--Some extra's on Pivoting (sliding)Pivot.pdf (397 kb) - CollisionAntennae.pdf (647 kb)