The MoMaS Reactive Transport Benchmark Presentation of the Models

The MoMaS Reactive Transport BenchmarkPresentation of the Models1 2Jérôme Carrayrou Michel Kern1Université Louis Pasteur, IMFS, Strasbourg, France2INRIA Rocquencourt, FranceModelling Reactive Transport in Porous MediaStrasbourg, January 21-24, 2008Carrayrou & Kern (IMFS,& INRIA) Reactive transport benchmark 23rd Jan 2008 1 / 13Plan1 Introduction2 Mathematical model3 Geometry and chemical data4 ConclusionsCarrayrou & Kern (IMFS,& INRIA) Reactive transport benchmark 23rd Jan 2008 2 / 13ConsequencesSynthetic chemical systemSmall number of species / reactionsUnrealistic stoichiometry, equilibrium constantsSeveral levels of difficultyMotivationDesign decisionsCompare numerical methods and codes for reactive transportBias towards nuclear waste disposalFixed physical / chemical modelSimple chemical system, with high numerical complexityNo thermodynamic databaseCarrayrou & Kern (IMFS,& INRIA) Reactive transport benchmark 23rd Jan 2008 3 / 13MotivationDesign decisionsCompare numerical methods and codes for reactive transportBias towards nuclear waste disposalFixed physical / chemical modelSimple chemical system, with high numerical complexityNo thermodynamic databaseConsequencesSynthetic chemical systemSmall number of species / reactionsUnrealistic stoichiometry, equilibrium constantsSeveral levels of difficultyCarrayrou & Kern (IMFS,& INRIA) Reactive transport benchmark 23rd Jan 2008 3 / 13Time discretizationExplicit /implicitLower /higher ...