2024
Connecting polymer collapse and the onset of jamming
Grigas A, Fisher A, Shattuck M, O'Hern C. Connecting polymer collapse and the onset of jamming. Physical Review E 2024, 109: 034406. PMID: 38632799, DOI: 10.1103/physreve.109.034406.Peer-Reviewed Original ResearchStatic packingsMechanical propertiesPolymer packingPacking fractionBead-spring polymersInterior of proteinsInterparticle contactsHigh packing fractionsPolymerAmino acidsDegrees of freedomRepulsive disksQuartic modesPolymer collapseQuartic scalingRepulsive particlesInterparticlePeptide bondPropertiesReference systemPackingParticlesPotential energyExcessive contactMode
2012
Constraints and vibrations in static packings of ellipsoidal particles
Schreck CF, Mailman M, Chakraborty B, O'Hern CS. Constraints and vibrations in static packings of ellipsoidal particles. Physical Review E 2012, 85: 061305. PMID: 23005084, DOI: 10.1103/physreve.85.061305.Peer-Reviewed Original ResearchConceptsStatic packingsEllipsoidal particlesFinite compressionMechanical propertiesStiffness matrixAspect ratioSpherical particlesHarmonic responseNumber of particlesAmorphous packingsParticlesAmplitude δPotential energy scalesMatrixInterparticle separationCompressionVibrationModePackingContact numberContactJamming