Jamming in Granular Polymers

Abstract

We examine the jamming transition in a two-dimensional granular polymer system using compressional simulations. The jamming density ϕ_c decreases with increasing length of the granular chain due to the formation of loop structures, in excellent agreement with recent experiments. The jamming density can be further reduced in mixtures of granular chains and granular rings, also as observed in experiment. We show that the nature of the jamming in granular polymer systems has pronounced differences from the jamming behavior observed for polydisperse two-dimensional disk systems at Point J. This result provides further evidence that there is more than one type of jamming transition.

5 pages, 7 postscript figures, version to appear in PRE

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Cited by in corpus (15)

• Strain-stiffening in random packings of entangled granular chains
• Perspective: Mechanics of randomly packed filaments -- the `bird nest' as meta-material
• Jamming of semiflexible polymers
• Calculations of the Structure of Basin Volumes for Mechanically Stable Packings
• Nonmonotonic dependence of polymer glass mechanical response on chain bending stiffness
• Directional Clogging and Phase Separation for Disk Flow Through Periodic and Diluted Obstacle Arrays
• Bond disorder, frustration and polymorphism in the spontaneous crystallization of a polymer melt
• Bottom stresses of static packing of granular chains
• Effects of spherical confinement and backbone stiffness on flexible polymer jamming
• Rheology and Shear Band Suppression in Particle and Chain Mixtures
• Strain stiffening due to stretching of entangled particles in random packings of granular materials
• Crossover from Jamming to Clogging Behaviors in Heterogeneous Environments
• Compression-driven jamming in porous cohesive aggregates
• Freestanding loadbearing structures with Z-shaped particles
• Jamming Crossovers in a Confined Driven Polymer in Solution