Shock (mechanics)

Explosive shock test of naval ship

In mechanics and physics, shock is a sudden acceleration caused, for example, by impact, drop, kick, earthquake, or explosion. Shock is a transient physical excitation.

Shock describes matter subject to extreme rates of force with respect to time. Shock is a vector that has units of an acceleration (rate of change of velocity). The unit g (or g) represents multiples of the standard acceleration of gravity and is conventionally used.

A shock pulse can be characterised by its peak acceleration, the duration, and the shape of the shock pulse (half sine, triangular, trapezoidal, etc.). The shock response spectrum is a method for further evaluating a mechanical shock.[1]

  1. ^ Alexander, J. Edward (2009). "The Shock Response Spectrum – A Primer" (PDF). Proceedings of the IMAC-XXVII, February 9–12, 2009 Orlando, Florida USA. Society for Experimental Mechanics. Archived from the original (PDF) on 2016-03-04.

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