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Figure 2 | BioMedical Engineering OnLine

Figure 2

From: Development of a 3D finite element model of lens microcirculation

Figure 2

Steps of the iteration solution of the model reviewed in the text. The first step solved the Stokes equations, using the initial conditions (C 0 , ϕ 0 ) and boundary conditions (C αo , ϕ o , p o ), to calculate the fluid velocity (u n+1 ) and pressure fields (p n+1 ). The second step used electro-neutrality to calculate new potential fields (ϕ n+1 ). Step three calculated new solute fluxes (j n+1 ) using current concentration fields (C n ), new potential field (ϕ n+1 ) and new velocity field (u n+1 ). The forth step used current concentration fields (C n ) and new potential field (ϕ n+1 ) to calculate the new trans-membrane or surface solute sources (s n+1 ). Step five involved using the newly calculated solute sources (s n+1 ) to calculate new concentration fields (C n+1 ). The model then checked for the convergence criterion automatically and updated the initial fields and repeated these steps if the criterion was not met.

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