Poisson's Ratio - Volumetric Change

Volumetric Change

The relative change of volume ΔV/V of a cube due to the stretch of the material can now be calculated. Using and :

Using the above derived relationship between and :

and for very small values of and, the first-order approximation yields:

Read more about this topic:  Poisson's Ratio

Famous quotes containing the word change:

    “Many Americans imagine simpler times even as a storm of social change swirls about, blowing parents here and children there. Sure, the 1950s ideal world would be wonderful. But knock on the nation’s doors: Ozzie and Harriet are seldom at home.”
    —Leslie Dreyfous (20th century)