Table 1 Geometrical and material properties of cortical bone as poroelastic material [7, 11, 13,14,15,16]
From: A multi-layered poroelastic slab model under cyclic loading for a single osteon
Symbol (unit) | Description | Value |
|---|---|---|
\( E_{r} \) (GPa) | Drained Young’s modulus in the isotropic plane (r-\( \theta \) plane) | 15.9 |
\( E_{z} \) (GPa) | Drained Young’s modulus in the z-direction | 20.3 |
\( M \) (GPa) | Biot’s modulus | 38 |
\( \mu_{r} \) | Poisson’s ratio in the isotropic plane | 0.328 |
\( \mu_{z} \) | Poisson’s ratio in the z-direction | 0.25 |
\( \alpha \) | Biot’s effective stress coefficients in the isotropic plane (r-\( \theta \) plane) | 0.132 |
\( \alpha^{\prime} \) | Biot’s effective stress coefficients in the z-direction | 0.092 |
\( \mu \) (Pa s) | Viscosity of the pore fluid | 10−3 |
\( a \) (μm) | Inner radius of the osteon | 50 |
\( b \) (μm) | Outer radius of the osteon | 150 |