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  2. Critical hit - Wikipedia

    en.wikipedia.org/wiki/Critical_hit

    Critical hits are meant to simulate an occasional "lucky hit". The concept represents the effect of hitting an artery, or finding a weak point, such as a stab merely in the leg causing less damage than a stab in the Achilles tendon. Critical hits are almost always random, although character attributes or situational modifiers may come into play.

  3. Failure mode and effects analysis - Wikipedia

    en.wikipedia.org/wiki/Failure_mode_and_effects...

    Failure mode and effects analysis ( FMEA; often written with "failure modes" in plural) is the process of reviewing as many components, assemblies, and subsystems as possible to identify potential failure modes in a system and their causes and effects. For each component, the failure modes and their resulting effects on the rest of the system ...

  4. Failure mode, effects, and criticality analysis - Wikipedia

    en.wikipedia.org/wiki/Failure_Mode,_Effects,_and...

    Failure mode effects and criticality analysis ( FMECA) is an extension of failure mode and effects analysis (FMEA). FMEA is a bottom-up, inductive analytical method which may be performed at either the functional or piece-part level. FMECA extends FMEA by including a criticality analysis, which is used to chart the probability of failure modes ...

  5. Fatigue (material) - Wikipedia

    en.wikipedia.org/wiki/Fatigue_(material)

    The bright area is caused by sudden fracture. In materials science, fatigue is the initiation and propagation of cracks in a material due to cyclic loading. Once a fatigue crack has initiated, it grows a small amount with each loading cycle, typically producing striations on some parts of the fracture surface.

  6. Safety-critical system - Wikipedia

    en.wikipedia.org/wiki/Safety-critical_system

    A safety-critical system [2] or life-critical system is a system whose failure or malfunction may result in one (or more) of the following outcomes: [3] [4] death or serious injury to people. loss or severe damage to equipment/property. environmental harm.

  7. U.S. critical infrastructure protection - Wikipedia

    en.wikipedia.org/wiki/U.S._critical...

    Infrastructure. In the U.S., critical infrastructure protection ( CIP) is a concept that relates to the preparedness and response to serious incidents that involve the critical infrastructure of a region or the nation. The American Presidential directive PDD-63 of May 1998 set up a national program of "Critical Infrastructure Protection". [1]

  8. DIMETHYLGLYCINE (DMG): Overview, Uses, Side Effects ... - WebMD

    www.webmd.com/vitamins/ai/ingredientmono-859/di...

    Dimethylglycine (DMG) is an amino acid, a building block for protein. The body needs dimethylglycine to function. Dimethylglycine is an essential amino acid, which means that the body cannot make ...

  9. Critical plane analysis - Wikipedia

    en.wikipedia.org/wiki/Critical_plane_analysis

    Critical plane analysis. Critical plane analysis refers to the analysis of stresses or strains as they are experienced by a particular plane in a material, as well as the identification of which plane is likely to experience the most extreme damage. Critical plane analysis is widely used in engineering to account for the effects of cyclic ...