Poisson's Ratio
Poisson's ratio, abbreviated as Po, \(\mu\) or \(\nu\), a dimensionless number, is the elastic ratio between lateral strain and longitudinal strain.
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Poisson's Ratio formula |
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| \(\large{ \mu = \frac { \varepsilon_t } { \varepsilon_a } }\) | ||
| Symbol | English | Metric |
| \(\large{ \mu }\) (Greek symbol mu) = Poisson's Ratio | \(\large{ dimensionless }\) | |
| \(\large{ \epsilon_a }\) (Greek symbol epsilon) = axial or longitudinal strain (right angle to load) | \(\large{\frac{in}{in}}\) | \(\large{\frac{mm}{mm}}\) |
| \(\large{ \epsilon_t }\) (Greek symbol epsilon) = lateral or transverse strain (direction of load) | \(\large{\frac{in}{in}}\) | \(\large{\frac{mm}{mm}}\) |
