Force percolation transition of jammed granular systems
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Updated: Feb 15, 2026

Fragmenting Bulk Hydrogels and Processing into Granular Hydrogels for Biomedical Applications
Published on: May 17, 2022
Sudhir N Pathak1, Valentina Esposito2, Antonio Coniglio3
1Division of Physics and Applied Physics, School of Physical and Mathematical Sciences, Nanyang Technological University, 637371 Singapore.
Abstract:
The mechanical and transport properties of jammed materials originate from an underlying percolating network of contact forces between the grains. Using extensive simulations we investigate the force-percolation transition of this network, where two particles are considered as linked if their interparticle force overcomes a threshold. We show that this transition belongs to the random percolation universality class, thus ruling out the existence of long-range correlations between the forces. Through a combined size and pressure scaling for the percolative quantities, we show that the continuous force percolation transition evolves into the discontinuous jamming transition in the zero pressure limit, as the size of the critical region scales with the pressure.
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