The Jamming Transition · Point J
unseel.com · frictionless soft disks · isostaticity z = 2d · onset of rigidity
φ (packing) 0.60
z (contacts) 0.0
G (shear mod.) 0
phase
Floppy disk (z < 4)
Contact bond
Rigid / jammed (z = 4)
Force chain (stress)
Unseel.com · The Jamming Transition: Point J and the Onset of Rigidity