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Updated: Jun 15, 2026

An Experimental and Finite Element Protocol to Investigate the Transport of Neutral and Charged Solutes across Articular Cartilage
Published on: April 23, 2017
Multiphysical modelling of fluid transport through osteo-articular media
Thibault Lemaire1, Salah Naili, Vittorio Sansalone
1Laboratoire de Modélisation et Simulation Multi-Echelle, Biomécanique, Université Paris Est, 61 Avenue du Général de Gaulle, Créteil, France. lemaire@univ-paris12.fr
Abstract:
In this study, a multiphysical description of fluid transport through osteo-articular porous media is presented. Adapted from the model of Moyne and Murad, which is intended to describe clayey materials behaviour, this multiscale modelling allows for the derivation of the macroscopic response of the tissue from microscopical information. First the model is described. At the pore scale, electrohydrodynamics equations governing the electrolyte movement are coupled with local electrostatics (Gauss-Poisson equation), and ionic transport equations. Using a change of variables and an asymptotic expansion method, the macroscopic description is carried out. Results of this model are used to show the importance of couplings effects on the mechanotransduction of compact bone remodelling.
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