Validation of a mine-loading model : the 6kg TNT case / Anne Bouamoul, François Fillion-Gourdeau, Geneviève Toussaint, DRDC Valcartier.: D68-4/273-2013E-PDF

"The anti-vehicular landmine threat has increased greatly since 2005. It has now become one of the important causes of vehicle losses in combat operations, and a major threat to vehicle occupants in many countries. Experimental and numerical studies of buried charge effects on structure and the measurement of the loading produced by landmines become important topics to study. This type of research is done to support the development of improved vehicle protection to resist blast from landmines and Improvised Explosive Devices (IEDs). Since it is a very challenging task to model explosive detonation, shock wave formation and propagation as well as interaction with structures from the first-principles, a phenomenological approach was investigated. In this study, two non-impulsive pressure models were investigated to model the damage on a plate from a blast landmine. The assumption that the loading generated by the blast is purely impulse is critically investigated and rejected. A new non-impulsive time-distribution pressure model is then proposed. The outputs of the new pressure model were validated using experimental data from 6 kg 2, 4, 6-trinitrotoluene (i.e. TNT) experimental tests"--Abstract, page i.

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