Mesoscale Simulations of Dry Sand

  • Merit G. SchumakerEmail author
  • John P. Borg
  • Gregory Kennedy
  • Naresh N. Thadhani
Conference paper
Part of the Conference Proceedings of the Society for Experimental Mechanics Series book series (CPSEMS)


There is an interest in producing accurate and reliable computer simulations to predict the dynamic behavior of heterogeneous materials and to use these simulations to gain further insight into experimental results. In so doing, a more complete understanding of the multiple-length scale involved in heterogeneous material compaction can be obtained. In this work, planar shock impact experiments were simulated using two different hydrocode formulations: iSALE and CTH. The simulations, which were based on a Georgia Tech experimental setup, consisted of a flyer of varying thickness impacting dry sand over a range of impact. Particle velocity traces obtained from the computer simulations were compared to VISAR and PDV measurements obtained from experiments. The mesoscale simulations compare well with the dynamic behavior of dry sand. Improvements on these simulations with the inclusion of these mesoscale phenomena are presented and discussed.


Impact testing Granular materials Heterogeneous material Simulation Mesoscale 


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Copyright information

© The Society for Experimental Mechanics, Inc. 2015

Authors and Affiliations

  • Merit G. Schumaker
    • 1
    Email author
  • John P. Borg
    • 1
  • Gregory Kennedy
    • 2
  • Naresh N. Thadhani
    • 2
  1. 1.Marquette UniversityMilwaukeeUSA
  2. 2.Georgia Institute of TechnologyAtlantaUSA

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