Calculations of the structure of basin volumes for mechanically stable packings
Ashwin SS, Blawzdziewicz J, O'Hern CS, Shattuck MD. Calculations of the structure of basin volumes for mechanically stable packings. Physical Review E 2012, 85: 061307. PMID: 23005086, DOI: 10.1103/physreve.85.061307.Peer-Reviewed Original ResearchConceptsBasins of attractionMS packingsSystem size increasesFinite numberConfiguration spaceComplex geometric featuresInitial conditionsProfile functionGeometrical propertiesStable packingΓ distributionJammed systemsComputational methodsNovel computational methodSimple modelGeometric featuresFast quench ratesProbabilityComplex structureComputational model systemSmaller core volumeFrictionless particlesBasin volumeQuench rateSize increasesContact percolation transition in athermal particulate systems
Shen T, O'Hern CS, Shattuck MD. Contact percolation transition in athermal particulate systems. Physical Review E 2012, 85: 011308. PMID: 22400566, DOI: 10.1103/physreve.85.011308.Peer-Reviewed Original ResearchConceptsBidisperse particle size distributionsPercolation transitionCompression stepParticle size distributionMechanical responseSystem-spanning clusterDisplacement fieldDilute configurationsApplied stressCooperative particle motionParticle motionIsotropic compressionPercolating networkParticulate systemsElastic energyFrictionless particlesTwo-dimensional systemsUnjammed stateSize distributionDynamical matrixJammed systemsAdjacency matrixSuccessive compressionSpatial dimensionsComputer simulations