Table 1.

FRPVE material parameters implemented in cartilage.^{15,25,30,32,33,47,50}

FRPVE material parameter	Femoral cartilage	Tibial cartilage	Menisci
Em (MPa)	0.215	0.106	–
E0 (MPa)	0.92	0.18	–
Eε (MPa)	150	23.06	–
νm (–)	0.15	0.15	–
η (MPa s)	1062	1062	–
k0 (10−15 m4/N s)	6	18	–
nf	0.8–0.15hz	0.8–0.15hz	0.72
E1, E2 (MPa)	–	–	20
E3 (MPa)	–	–	159.6
υ12	–	–	0.3
υ31	–	–	0.78
G13 (MPa)	–	–	50

E_m nonfibrillar matrix modulus, E₀ initial fibril network modulus, E_ε strain-dependent fibril network modulus, ν_m Poisson's ratio of the nonfibrillar matrix, η viscoelastic damping coefficient of fibrils, k₀ initial permeability, n_f fluid fraction, h_z normalized depth, E₁, E₂, E₃ radial, axial and circumferential Young’s moduli, respectively, ν₁₂, ν₃₁ Poisson’s ratios, G₁₃ shear modulus