λ\lambdaλ: Lame (dimensionless)
G: Shear Modulus (N/m2)\left(\mathrm{N} / \mathrm{m}^{2}\right)(N/m2)
K: Bulk Modulus (N/m2)\left(\mathrm{N} / \mathrm{m}^{2}\right)(N/m2)
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