G: Shear Modulus (N/m2)\left(\mathrm{N} / \mathrm{m}^{2}\right)(N/m2)
vvv: Poisson (dimensionless)
K: Bulk Modulus (N/m2)\left(\mathrm{N} / \mathrm{m}^{2}\right)(N/m2)
PetroWiki.org.