Poisson's Ratio

Written by Jerry Ratzlaff on . Posted in Classical Mechanics

Poisson's ratio, abbreviated as Po, \(\mu\) or \(\nu\), is the elastic ratio between lateral strain and longitudinal stress.

Poisson's Ratio formula

\(\large{ \mu = \frac { \varepsilon_t } { \varepsilon_a }   }\)


\(\large{ \mu }\)  (Greek symbol mu) = Poisson's Ratio

\(\large{ \epsilon_a }\)  (Greek symbol epsilon) = axial or longitudinal strain (right angle to load)

\(\large{ \epsilon_t }\)  (Greek symbol epsilon) = lateral or transverse strain (direction of load)


Tags: Equations for Strain and Stress