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Conclusion Nous avons étudié ici l'influence des termes de dissipation et d'antidissipation sur la précision et la stabilité des schémas. La stabilité de ce type de schémas a par ailleurs été étudiée dans [5] et [6]. L'influence de l'antidissipation corrigée sur la stabilité est pour l'instant un problème assez ouvert [4].
A three dimensional finite element model was developed for the simulation of ground water flow and solute or energy transport in confined or unconfined aquifer. Density and viscosity were considered variable in space and in time as functions of concentration or temperature.
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