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ISSN 打印: 1543-1649
ISSN 在线: 1940-4352


DOI: 10.1615/IntJMultCompEng.v8.i5.40
pages 473-487

Random Packs and Their Use in Grain-Scale Modeling, with Applications to Energetic Materials

Thomas Jackson
University of Illinois
D. S. Stafford
Computational Science and Engineering, University of Illinois at Urbana-Champaign, Urbana IL, 61801, USA


In recent years, we have constructed closely packed spheres using the Lubachevsky-Stillinger algorithm to generate models of heterogeneous solid propellants. Improvements to the algorithm now allow us to pack nonspherical shapes for modeling heterogeneity in complex energetic materials such as plastic-bonded explosives and pressed gun propellants. In this paper, we review the packing algorithm and present selected results, including higher-order statistics, along with preliminary results of convective burning through a porous medium.


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