A large‐strain/high‐deformation rate model for clay‐free sand recently proposed and validated in our work [1,2], has been extended to sand containing relatively small (< 15vol.%) of clay and having various levels of saturation with water. The model includes an equation of state which represents the material response under hydrostatic pressure, a strength model which captures material behavior under elastic‐plastic conditions and a failure model which defines conditions and laws for the initiation and evolution of damage/failure in the material. The model was validated by comparing the computational results associated with detonation of a landmine in clayey sand (at different levels of saturation with water) with their computational counterparts.
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1 April 2009
Review Article|
April 01 2009
Derivation and Validation of a Material Model for Clayey Sand for Use Inlandmine Detonation Computational Analyses Available to Purchase
M. Grujicic;
M. Grujicic
Department of Mechanical Engineering, Clemson University, Clemson SC 29634
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B. Pandurangan;
B. Pandurangan
Department of Mechanical Engineering, Clemson University, Clemson SC 29634
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N. Coutris;
N. Coutris
Department of Mechanical Engineering, Clemson University, Clemson SC 29634
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B.A. Cheeseman;
B.A. Cheeseman
Army Research Laboratory ‐ Survivability Materials Branch, Aberdeen, Proving Ground, MD 21005‐5069
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W. N. Roy;
W. N. Roy
Army Research Laboratory ‐ Survivability Materials Branch, Aberdeen, Proving Ground, MD 21005‐5069
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R.R. Skaggs
R.R. Skaggs
Army Research Laboratory ‐ Survivability Materials Branch, Aberdeen, Proving Ground, MD 21005‐5069
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Publisher: Emerald Publishing
Online ISSN: 1573-6113
Print ISSN: 1573-6105
© Emerald Group Publishing Limited
2009
Multidiscipline Modeling in Materials and Structures (2009) 5 (4): 311–344.
Citation
Grujicic M, Pandurangan B, Coutris N, Cheeseman B, Roy WN, Skaggs R (2009), "Derivation and Validation of a Material Model for Clayey Sand for Use Inlandmine Detonation Computational Analyses". Multidiscipline Modeling in Materials and Structures, Vol. 5 No. 4 pp. 311–344, doi: https://doi.org/10.1163/157361109789807990
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