Elasticity

Written by Jerry Ratzlaff on . Posted in Classical Mechanics

Elasticity measures the stiffness of an elastic material.  Elasticity can deformed body and return to its original shape when the forces exerted are removed.

  • Abbreviated as E or ELAS

formula

\(E = \frac {  {v_l}^2   \rho  \left( 1 \;+\; Po  \right)    \left( 1 \;-\; 2Po  \right) }      { 1 \;-\; Po }  \) 

Where:

\(E\) = elasticity

\(v_l\) = longitudinal velocity

\(\rho\) = density

\(Po\) = Polsson's ratio