= Representative elementary volume
{wiki=Representative_elementary_volume}
The Representative Elementary Volume (REV) is a concept used primarily in the fields of materials science, geophysics, and hydrology. It refers to the smallest volume over which measurements can be taken so that the average properties of the material or medium are representative of the whole sample. The concept is crucial for understanding the macroscopic behavior of heterogeneous materials, such as soils, rocks, and composite materials.
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