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Explosion events from malicious activities produce tremendous losses. The magnitude of these losses is directly tied to the overpressure field generated during the event. This field is dependent on both the explosive charge and the environment in which the event occurs. Environmental factors,...
The influence of the overall structural response on the perforation of a concrete target is studied in this paper. The local perforation of the concrete target is idealized as a combined penetration and cone-plugging model. The overall structural response is simplified as an elastic,...
The ricochet of eroding long rods, from inclined steel targets, is investigated by a series of three-dimensional (3D) numerical simulations. These are compared with the predictions of our, previously published, analytical model for ricochet. The agreement between simulation results and model...
This two-part paper addresses scaling of the dynamic response of clamped circular plates subjected to close-range and large spherical blast loadings. Full-scale experiments involving actual geometries and charges are quite involved and costly, both in terms of preparation and measurements. For...
The transient process of rock, normally impacted by a gas gun, was monitored with a thermal infrared (TIR) imager. The geometric features and the radiant characteristics of the infrared thermography in target region were extracted and regressively analyzed. Both the projectile's impacting...
Protecting spacecraft structures against hypervelocity impacts (HVIs) of space debris, which may cause fatal damage to the spacecraft structures, has received wide attention. In this paper, the numerical simulation of hypervelocity solid–solid impacts is conducted and an energy-based parameter...
A roadside guardrail system is anchored in gravel beside a roadway to eliminate the risk of fatal accidents during off-road crashes and collisions with hazardous roadside objects. The desired safety behaviour is ensured not only by the guardrail structure itself, but also by the interaction...
This paper discusses scaling of the dynamic response of clamped circular plates subjected to close-range, large spherical blast loadings that are flush buried in dry sand. As a continuation of part I which dealt with air blasts, similarity is obtained by using replica scaling for all geometrical...
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