Abstract

Experimental and numerical investigations were carried out on clamped rectangular plates subjected to underwater explosion loading. Experiments were conducted on rectangular plates of size 0.55×0.45×0.004 m using a box model set-up under air-backed conditions in a water tank detonating small charge weights of PEK-I explosive. Corresponding plastic deformation of the plates were measured for different charge weights and stand off distances. Numerical analysis was carried out using the MARC finite element code for various test conditions and the results are compared with experimental results.

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