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Table 1 Model parameters

From: Arterial vasodilation drives convective fluid flow in the brain: a poroelastic model

Parameter Value Unit Description Sources
\({\rho }_{f}^{*}\) \(1000\) \({\text{kg}}/{\text{m}}^{3}\) Fluid true density [104, 125]
\({\rho }_{s}^{*}\) \(1000\) \({\text{kg}}/{\text{m}}^{3}\) Solid true density [5]
\({\mu }_{f}\) \(0.001\) \({\text{Pa}} \, {\text{s}}\) Fluid dynamic viscosity [104, 125]
\({\zeta }_{{R}_{f}}^{2}\) \(0.2\)   Fluid volume fraction in tissue [50, 65, 122]
\({\zeta }_{{R}_{f}}^{1}\) \(0.8\)   Fluid volume fraction in PVS  
\({k}_{s}^{2}\) \(2\times {10}^{-15}\) \({\text{m}}^{2}\) Fluid permeability of ECS [83, 103]
\({k}_{s}^{1}\) \(2\times {10}^{-14}\) \({\text{m}}^{2}\) Fluid permeability of PVS  
\({\mu }_{s}^{2}\) \(2\) \({\text{kPa}}\) Shear Modulus of brain tissue [15, 80, 117]
\({\mu }_{s}^{1}\) \(20\) \({\text{Pa}}\) Shear modulus of connective tissue  
\({R}_{0}\) \(10\) \(\upmu {\text{m}}\) Nominal vessel radius [26, 96]
\({D}_{a\beta }\) \(1.4\times {10}^{-6}\) \({\text{c}}{\text{m}}^{2}/{\text{s}}\) Diffusion coefficient of amyloid-β [74, 110]
\(\lambda\) \(1.6\)   Tortuosity of ECS [105]