Simultaneous and Running Impulsive Loading of Cylindrical Shells
SOUTHWEST RESEARCH INST SAN ANTONIO TX
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Impulsive loading was performed on silica phenolic-bond and bare aluminum and lead cylindrical shells in the fixed-end configuration. The shells were loaded with 180 degree circumferential cosine loading distributions using stripped sheet explosive or spray-deposited silver acetylide-silver nitrate explosive. Values for the peak specific impulse needed to produce minimum lethality damage to the structures wall displacements on the order of a radius were obtained for the four different types of structures. The dependence of these values on the simultaneity of initiation and type of running load i.e., longitudinal or circumferential was ascertained for the structures where the overlap in the loading value between the sheet and sprayed explosive load required to produce lethality damage made it possible.