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impact energy

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impact energy [′im‚pakt ‚en·ər·jē]
(mechanics)
The energy necessary to fracture a material. Also known as impact strength.

impact strength, impact energy
The amount of energy required to fracture a material; a measure of the material’s resistance to mechanical shock.


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Ek + Ep ) Ei = Impact energy Ek = Kinetic energy Ed = elastic deformation energy Ep = plastic deformation energy + lost energy Ed = ½ K dx² = ½ m ?
The term "building envelope" typically refers to the exterior surface of a building's construction--the foundation, roof, walls, windows and everything that connects them together--including all aspects of the building's exterior design that impact energy costs.
And oil prices fell sharply on fears the escalating outbreak could further dampen economic activity and impact energy demand.
 
 
 
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