Journal Articles

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Hurley group Postdoc advisee at Johns Hopkins University
Hurley group Ph.D. advisee at Johns Hopkins University
Hurley group Undergraduate or High School advisee at Johns Hopkins University
*Hurley as PI or Co-PI while at Johns Hopkins University

2021, in final preparation

  • B. Kuwik, G. Kim, C. Zhai, M. Daud, R.C. Hurley* (2021). Roughness and humidity effects on contact, friction, and contact plasticity revealed by micromechanical testing and analysis, In final preparation.
  • B. Kuwik, M. Garcia, G. Shahin, R.C. Hurley* (2021). Experimental breakage mechanics of confined granular media across strain rates, In final preparation.
  • K. Lee, R.C. Hurley* (2021). Force inference in 3D granular materials: Uncertainty analysis and application to synchrotron data, In final preparation.

2021, in review or published

  • G. Shahin, E.B. Herbold, S.A. Hall, R.C. Hurley* (2021). A hierarchy of length scales in the mechanical behavior of 3D granular media, In review.
  • C. Zhai, N. Albayrak, J. Engqvist, S.A. Hall, J. Wright, M. Majkut, E.B. Herbold, R.C. Hurley* (2021). History, structure, and stress dependence of local rearrangements in 3D granular media from machine learning, In review.
  • X. Sun, Q. Yang, S. Chocron, R.C. Hurley*, R.A. Haber, J.C. LaSalvia, & K.T. Ramesh (2021). Effects of particle size, shape and loading rate on the compaction of an advanced granular ceramic, In review.
  • A. Bhattacharjee, R.C. Hurley*, L. Graham-Brady (2021). Fragmentation and granular transition of ceramics for high rate loading, In review.
  • K.T. Ramesh, L. Graham-Brady, W. Goddard, R.C. Hurley*, M. Robbins, A. Tonge, A.L. Tonge, A. Bhattacharjee, J.T. Clemmer, Q. Zeng, W. Li, Y. Shen, Q. An, N. Mitra. (2021). Models for the behavior and failure of boron carbide in extreme dynamic environments, In Press.
  • A. Gupta, R. Crum, C. Zhai, K.T. Ramesh, R.C. Hurley* (2021). Measuring particle-scale 3D granular dynamics during rapid compression from 2D X-ray images, Journal of Applied Physics, 129: 225902.
  • A. Bhattacharjee, A. Bhaduri, R.C. Hurley*, L. Graham-Brady (2021). Failure modeling and sensitivity analysis of ceramics under impact, Journal of Applied Mechanics, 129(22), 225902.


  • C. Zhai, Herbold, E.B., R.C. Hurley* (2020). The influence of structure and forces on ultrasound transmission in granular materials. Proceedings of the National Academy of Sciences, 117 (28). Link to Paper. Internal Press. External Press: APS, ScienceDaily.
  • M. Cil, Q. Zeng, R.C. Hurley*, L. Graham-Brady (2020). An integrative model for the dynamic behavior of brittle materials based on micro cracking and breakage mechanics. Dynamic Behavior of Materials. In Press. Link to Paper.
  • O. Stamati, E. Andó, E. Roubin, R. Cailletaud, M. Weibicke, G. Pinzon, C. Courture, R.C. Hurley*, et al. (2020) spam: Software for Practical Analysis of Materials, Journal of Open Source Software, 5 (51), 2286. Link to Paper.
  • D. Wei, R.C. Hurley*, L.H. Poh, D. Dias-da-Costa, Y. Gan (2020). The role of particle morphology on concrete fracture behavior: A miso-scale modeling approach. Cement and Concrete Research, 134, 106096. Link to Paper.
  • R.C. Hurley*, J.D. Hogan. (2020). Workshop on Mathematical Challenges in Brittle Material Failure. Journal of the Dynamic Behavior of Materials. 6, 14-23. Link to Paper.
  • C. Zhai, D.C. Pagan, Hurley, R.C.* (2020). In-situ X-ray tomography and 3DXRD measurements of cemented granular materials. JOM, 72, 18-27. Link to Paper.
  • M. Cil, R.C. Hurley*, L. Graham-Brady. (2020). A constitutive model for brittle granular materials considering the competition between breakage and dilation. Journal of Engineering Mechanics, 146(1), 04019110. Link to Paper.


  • C. Zhai, E.B. Herbold, S.A. Hall, R.C. Hurley* (2019). Particle rotations and energy dissipation during mechanical compaction of granular materials. Journal of the Mechanics and Physics of Solids, 129, 19-38. Link to Paper.
  • M. Cil, R.C. Hurley*, L. Graham-Brady (2019). A rate-dependent constitutive model for brittle granular materials based on breakage mechanics. Journal of the American Ceramic Society, 102(9), 1-11. Link to Paper.
  • R.C. Hurley*, D.C. Pagan (2019). An in-situ study of stress evolution and fracture growth during compression of concrete. International Journal of Solids and Structures, 168, 26-40. Link to Paper.


  • R.C. Hurley*, E.B. Herbold, D.C. Pagan (2018). Characterization of crystal structure, kinematics, stresses, and rotations in angular granular quartz during compaction. Journal of Applied Crystallography, 51(4), 1021-1034Link to Paper.
  • R.C. Hurley*, J. Lind, D.C. Pagan, M.C. Akin, E.B. Herbold (2018). In Situ Grain Fracture Mechanics During Uniaxial Compaction of Granular Solids. Journal of the Mechanics and Physics of Solids, 112, 273-290. Link to Paper.
  • J.P. Marshall, R.C. Hurley, D. Arthur, I. Vlahinic, C. Senatore, K. Iagnemma, B. Trease, J.E. Andrade (2018). Failures in sand in reduced gravity environments. Journal of the Mechanics and Physics of Solids. 113, 1-12 Link to Paper.
  • O. Vorobiev, S. Ezzedine, R.C. Hurley (2018). Near-field non-radial motion generation from underground chemical explosions in jointed granite. Geophysical Journal International. 212, 25-41. Link to Paper.


  • R.C. Hurley, S.A. Hall, J. Wright (2017). Multi-scale mechanics of granular solids from grain-resolved x-ray measurements. Proceedings of the Royal Society of London A: Mathematical, Physical and Engineering Sciences, 473 (2207), 0491. Link to Paper.
  • R.C. Hurley, J. Lind, D.C. Pagan, M.A. Homel, M.C. Akin, E.B. Herbold (2017). Linking initial microstructure and local response during quasistatic granular compaction. Physical Review E, 96(1), 012905. Link to Paper.
  • R.C. Hurley, O.Y. Vorobiev, S.M. Ezzedine (2017). An algorithm for continuum modeling of rocks with multiple embedded nonlinearly-compliant joints. Computational Mechanics, 1-18. Link to Paper.
  • R.C. Hurley, J.E. Andrade (2017). Continuum modeling of rate-dependent granular flows in SPH. Computational Particle Mechanics, 4(1), 119-130. Link to Paper.


  • R.C. Hurley, S.A. Hall, J.E. Andrade, J. Wright (2016). Quantifying interparticle forces and heterogeneity in 3D granular materials. Physical Review Letters, 117, 098005. Highlighted in Physics Synopsis and Caltech News. Link to Paper.
  • R.C. Hurley, K.W. Lim, G. Ravichandran, J.E. Andrade (2016). Dynamic inter-particle force inference in granular materials: Method and application. Experimental Mechanics, 56(2), 217-229. Link to Paper.


  • R.C. Hurley, & J.E. Andrade (2015). Friction in inertial granular flows: Competition between dilation and grain-scale dissipation rates. Granular Matter, 17(3), 287-295. Link to Paper.
  • R.C. Hurley, J.E. Andrade (2015). Strength of Granular Materials in Transient and Steady State Rapid Shear. Procedia Engineering, 103, 237-245. Link to Paper.


  • R.C. Hurley, E. Marteau, G. Ravichandran, J.E. Andrade (2014). Extracting inter-particle forces in opaque granular materials: beyond photoelasticity. Journal of the Mechanics and Physics of Solids, 63, 154-166. Link to Paper.
  • A.M. Booth, R.C. Hurley, M.P. Lamb, J.E. Andrade (2014). Force chains as the link between particle and bulk friction angles in granular material. Geophysical Research Letters, 41(24), 8862-8869. Link to Paper.
  • X. Zhao, R. Hurley, M. Sutton, W. Fourney, U. Leiste, X. Deng (2014). Small Scale Models Subjected to Buried Blast Loading Part II: Frame Accelerations with Hulls and Additional Mitigation Methods. Experimental Mechanics, 54(5), 857-869. Link to Paper.
  • X. Zhao, G. Shultis, R. Hurley, M. Sutton, W. Fourney, U. Leiste, X. Deng (2014). Small Scale Models Subjected to Buried Blast Loading Part I: Floorboard Accelerations and Related Passenger Injury Metrics with Protective Hulls. Experimental Mechanics, 54(4), 539-555. Link to Paper.

Peer-Reviewed Conference Proceedings

  • R.C. Hurley, (2021). Stress and force measurement uncertainties in 3D granular materials. EPJ Web of Conferences for Powders & Grains, 249, 02009.
  • B. Kuwik, R.C. Hurley, (2021). Energy dissipation due to breakage during confined compaction of granular materials. EPJ Web of Conferences for Powders & Grains, 249, 07006.

Book Chapters

  • R.C. Hurley, B. Marks, E. Ando (2021). In-situ full-field imaging in modern experimental granular mechanics. in Mechanics of Granular Materials, Invited and in preparation.
  • Hurley, R.C., Lim, K.W., & Andrade, J.E. (2015). Grain-Scale Measurements During Low Velocity Impact in Granular Media. Rapid Penetration into Granular Media: Visualizing the Fundamental Physics of Rapid Earth Penetration (pp.  291-317.). Link to Book.
  • Brodrick, T., Hurley, R.C., Fourney, W.L. (2014). Mitigation of Loading on Personnel in Light-Armored Vehicles Using Small Model Testing. Blast Mitigation (pp. 249-277), Springer, New York. Link to Book.

Other Publications

  • Homel, M. A., Herbold, E. B., Lind, J., Pagan, D., Crum, R., Hurley, R., Akin, M. (2018). Simulations and experiments of dynamic granular compaction in non-ideal geometries. AIP Conference Proceedings, 1979(1), 180004.
  • Hurley, R.C., Andrade, J.E. (2015). A Smoothed Particle Hydrodynamics Method for Coupled Gas-Porous Media Flows. Engineering Mechanics Institute Computational Inelasticity Paper Competition, Stanford, CA.