Editing Shock (mechanics) (section)

==Shock testing==
[[File:Drop test haz-mat.jpg|thumb|upright|Military shipping container being drop tested]]
Shock testing typically falls into two categories, classical shock testing and pyroshock or ballistic shock testing.  Classical shock testing consists of the following shock impulses: half [[sine]], haversine, [[sawtooth wave]], and [[trapezoid]].  Pyroshock and ballistic shock tests are specialized and are not considered classical shocks. Classical shocks can be performed on Electro Dynamic (ED) Shakers, Free Fall Drop Tower or Pneumatic Shock Machines.  A classical shock impulse is created when the shock machine table changes direction abruptly. This abrupt change in direction causes a rapid velocity change which creates the shock impulse.  Testing the effects of shock are sometimes conducted on end-use applications: for example, automobile [[crash test]]s.

Use of proper [[test method]]s and [[Verification and validation]] protocols are important for all phases of testing and evaluation.