NDLI: Derivation, Parameterization and Validation of a Sandy-Clay Material Model for Use in Landmine Detonation Computational Analyses

Content Provider	Springer Nature Link
Author	Grujicic, M. Pandurangan, B. Coutris, N. Cheeseman, B. A. Roy, W. N. Skaggs, R. R.
Copyright Year	2009
Abstract	A set of large-strain/high-deformation-rate/high-pressure material models for sand-based soils with different saturation levels and clay and gravel contents was recently proposed and validated in our study, and the same has been extended in this study to include clay-based soils of different saturation levels and sand contents. The model includes an equation of state which reveals the material response under hydrostatic pressure, a strength model which captures material elastic-plastic response under shear, and a failure model which defines the laws and conditions for the initiation and evolution of damage and ultimate failure of the material under negative pressure and/or shear. The model was first parameterized using various open-literature experimental results and property correlation analyses and, then, validated by comparing the computational results obtained in an ANSYS/Autodyn-based transient non-linear dynamics analysis of detonation of a landmine buried in sandy-clay with their experimental counterparts.
Starting Page	434
Ending Page	450
Page Count	17
File Format	PDF
ISSN	10599495
Journal	Journal of Materials Engineering and Performance
Volume Number	19
Issue Number	3
e-ISSN	15441024
Language	English
Publisher	Springer US
Publisher Date	2009-07-09
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	blast resistance granular materials material modeling Engineering Design Quality Control, Reliability, Safety and Risk Tribology, Corrosion and Coatings Materials Science Characterization and Evaluation of Materials
Content Type	Text
Resource Type	Article
Subject	Mechanics of Materials Materials Science Mechanical Engineering

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