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
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“True self is the part of us that does not change when circumstances do.”
—Mason Cooley (b. 1927)