2019
Active acoustic switches using two-dimensional granular crystals
Wu Q, Cui C, Bertrand T, Shattuck MD, O'Hern CS. Active acoustic switches using two-dimensional granular crystals. Physical Review E 2019, 99: 062901. PMID: 31330653, DOI: 10.1103/physreve.99.062901.Peer-Reviewed Original ResearchTwo-dimensional granular crystalsFrequency band gapsBand gapPressure-induced switchingAcoustic switchGranular crystalsLarge-frequency band gapsDifferent massesCircular grainsInterparticle contact networkMaximal band gapsVibration experimentsSteel beadsContact breakingVibrational responseNumerical simulationsOutput signalSimulation resultsUmbrella sampling techniqueInput signalMass contrastSonic crystalsSwitching timeCrystalsSingle grain
2017
Particle rearrangement and softening contributions to the nonlinear mechanical response of glasses
Fan M, Zhang K, Schroers J, Shattuck MD, O'Hern CS. Particle rearrangement and softening contributions to the nonlinear mechanical response of glasses. Physical Review E 2017, 96: 032602. PMID: 29346996, DOI: 10.1103/physreve.96.032602.Peer-Reviewed Original ResearchMechanical responseStress lossParticle rearrangementGlass configurationRapid stress dropStress-strain curvesNonlinear mechanical responsePlastic flow regimeStrain curvesSlow cooling rateElastic regimeLarge strainsShear strainSmall strainsFlow regimeBinary Lennard-Jones glassCooling rateNumerical simulationsPure shearStrain directionAmorphous materialsGlassEnergy lossLennard-Jones glassStress drop
2013
Particle-scale reversibility in athermal particulate media below jamming
Schreck CF, Hoy RS, Shattuck MD, O'Hern CS. Particle-scale reversibility in athermal particulate media below jamming. Physical Review E 2013, 88: 052205. PMID: 24329257, DOI: 10.1103/physreve.88.052205.Peer-Reviewed Original Research