Shock Trial Simulation for Naval Ships
Didoszak, Jarema M.
Shin, Young S.
Lewis, David H.
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Current Navy implementation of statutory requirements for naval surface combatants dictates the performance of a ship shock trial in order to determine the vulnerability of a ship to an underwater explosion (UNDEX) non-contact shock threat environment. The shock trial features a series of shots, typically three to four, at increasing levels of severity culminating in a two-thirds ship design level shock. The intensity is limited to two-thirds design primarily for crew safety considerations. Velocity and acceleration response data collected during the shock trial is then extrapolated to full design level and compared to equipment shock qualification levels in order to predict equipment performance.