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Abstract
AnnotationThe results of numerical and experimental studies of the penetration and punching by a steel ball of the barriers consisting of packages of metal woven wire grid are presented. In the experiments performed, a packet of meshes was formed by overlaying ten flat woven layers with different sizes of quadrilateral cells. The ball was made of high-strength steel with high yield strength, so that after the experiments it remained intact. Numerical calculations were carried out using the author’s program based on a modification of the Godunov method for the calculation of elastic plastic deformation taking into account the accumulation of damage and destruction. Comparison of experimental and calculated data is carried out by fixing the speed of a ball flying behind a barrier and a general dynamic picture of the development of zones of destruction in a barrier.
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