Underwater shock-induced responses of stiffened flat plates : an investigation into predictive capabilities of the USA-STAGS code.
King, Nelson R.
Shin, Young S.
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An experimental investigation was conducted to determine the dynamic responses of stiffened flat plates to impulsive loading by underwater shock, waves. Air-backed flat plates with machined external stiffeners and clamped boundary conditions were subjected to shock loadings from TNT charges detonated underwater. The plates were instrumented to measure transient strains and free field pressures. Test results were compared to preshot calculations done using the USA-STAGS code. Particular emphasis was placed upon the code's ability to predict stiffener tripping and shear at plate boundaries.
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