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+33 3 68 85 04 02



  • 1998 – PhD University of Strasbourg – France, major : Fluid Mechanics
  • 1998/1999 – ATER (teaching assistant) – University of Strasbourg
  • 1999/2005 – Maître de Conférences (A. Professor) – University of La Reunion
  • 2005– HDR (Qualification to Research Supervision), University of Strasbourg, major : Fluid Mechanics
  • 2005/2014 – Research scientist (CR1) – CNRS (National Centre for Scientific Research)
  • 2014 – Research Director – CNRS.


  • Modeling of flow and transport in saturated and unsaturated porous media
  • Modeling of coupled fluid flow with mass and/or energy transport in porous media
  • Modeling multispecies reactive transport
  • Modeling buoyancy-driven Navier-Stokes flow
  • Inverse problems
  • Sensitivity and uncertainty analysis
  • Semi-analytical solutions
  • Laboratory experiments

Developed numerical methods

  • Mixed finite elements of RT0, BDM1 and the new formulation with one unknown per element
  • MultiPoints Flux Approximation methods (MPFA)
  • Discontinuous Galerkin methods (DG) with local time stepping
  • Eulerian Lagrangian Localized Adjoint Methods (ELLAM)
  • Method of Lines (MOL)
  • Non-conforming finite elements of Crouzeix-Raviart (CR)
  • Plynomial Chaos (PC) expension
  • Markov chain Monte Carlo (MCMC) methods ;
  • Fourier-Galerkin Spectral Methods


  • Physique générale, Thermodynamique, thermique ;
  • Mécanique générale, Mécanique des fluides, Mécanique analytique ;
  • Hydraulique en charge, Hydrogéologie ;
  • Résistance des matériaux, Mécanique des milieux continus ;
  • Techniques numériques, Mathématiques appliquées à la physique, Résolution des équations aux dérivées partielles ;

Peer-reviewed journal articles (2011-2014)

Fahs M.,Younes A., Ackerer P. An efficient implementation of the method of lines for multicomponent reactive transport equations. Water air and soil pollution, (2011), vol. 215, no1-4, pp. 273-283.

Younes A., Konz M., Fahs M., Zidane A., Huggenberger P. Modelling variable density flow problems in heterogeneous porous media using the Method of Lines and advanced spatial discretization methods. Mathematics and Computers in Simulation, (2011), Volume 81, Issue 10, Pages 2346-2355

Fajraoui N., Ramasomanana F., Younes A., Mara T.A., Ackerer P., Guadagnini A. Use of Global Sensitivity Analysis and Polynomial Chaos Expansion for Interpretation of Non-reactive Transport Experiments in Laboratory-Scale Porous Media. Water Resources Research (2011), vol. 47, Wo2521, 14 pp., doi:10.1029/2010WR009639

Ramasomanana F., Younes A. Efficiency of the Eulerian Lagrangian Localized Adjoint Method for solving advection-dispersion equation on highly heterogeneous media. International Journal for Numerical Methods in Fluids, (2011), 69 : 639–652. doi : 10.1002/fld.2578.

Zecheter E., Konz M., Younes A., Huggenberger P. Effects of tectonic structures, salt solution mining, and density-driven groundwater hydraulics on evaporite dissolution. Hydrogeology Journal (2011), pp. 1-12. doi:10.1007/s10040-011-0759-5

F. Ramasomanana, Younes A., Fahs M., Modeling 2D Multispecies Reactive Transport in Saturated/Unsaturated Porous Media with the Eulerian–Lagrangian Localized Adjoint Method. Water, Air, & Soil Pollution (2011), vol. 223, no4, pp. 1801-1813.

Zidane A., Younes A., Huggenberger P., Zechner E. The Henry semi-analytical solution for saltwater intrusion with small dispersion. Water Resources Research (2012), vol. 48, W06533, 10 PP., doi:10.1029/2011WR011157.

Fajraoui N., Mara T.A., Younes A., Bouhlila R., Reactive transport parameter estimation and global sensitivity analysis using sparse polynomial chaos expansion. Water Air and Soil Pollution (2012), vol. 223, no7, pp. 4183-4197. doi:10.1007/s11270-012-1183-8.

Younes A., Mara T.A., Fajraoui N., Lehmann F., Belfort B., Beydoun H. Use of Global Sensitivity Analysis to Help Assess Unsaturated Soil Hydraulic Parameters Vadoze Zone Journal (2013), 12. doi:10.2136/vzj2011.0150.

Ramasomanana, F., Younes A., Ackerer P. Estimation of macrodispersion in 2D highly heterogeneous porous media using the Eulerian-Lagrangian Localized Adjoint Method. Water Resources Research (2013), Vol. 49, 43-53, doi:10.1029/2012WR012228.

Bouhala L., Shao Q., Koutsawa Y., Younes A., Núñez P., Makradi A., Belouettar S. An XFEM crack-tip enrichment for a crack terminating at a bi-material interface, Engineering Fracture Mechanics, Vol.102, (2013), Pages 51-64, ISSN 0013-7944. doi:10.1016/j.engfracmech.2013.02.023

Belfort B., Younes A., Fahs M., Lehmann F., On equivalent hydraulic conductivity for oscillation–free solutions of Richard’s equation, Journal of Hydrology (2013), Vol. 505, 15, Pages 202-217, ISSN 0022-1694, doi : 10.1016/j.jhydrol.2013.09.047

Shao Q., Bouhala L., Younes A., Núñez P., Makradi A., Belouettar S. An XFEM Model for cracked porous media : Effects of fluid flow and heat transfer, International Journal of Fractures (2014), 185:155–169, doi :10.1007/s10704-013-9916-2.

Younes A., Fahs M., Belfort B. Monotonicity of the cell-centred triangular MPFA method for saturated and unsaturated flow in heterogeneous porous media, Journal of Hydrology (2013), Vol.504, Pages 132-141, ISSN 0022-1694, doi:10.1016/j.jhydrol.2013.09.041.

Fahs H., Hayek M., Fahs M., Younes A. An efficient numerical model for hydrodynamic parameterization in 2D dual-porosity media. Journal of Advances in Water Resources (2013) doi:10.1016/j.advwatres.2013.11.008.

Younes A., Fahs M. A semi-analytical solution for the reactive Henry saltwater intrusion problem. Water Air and Soil Pollution (2013), 224(11). doi:10.1007/s11270-013-1779-7 .

Younes A., Makradi A., Zidane A., Shao Q., Bouhlala L. A combination of Crouzeix-Raviart, Discontinuous Galerkin and MPFA methods for buoyancy-driven flows. International Journal of Numerical Methods for Heat and Fluid Flow (2014), , Vol. 24 Iss : 3.

Younes A., Fahs M. A semi-analytical solution for saltwater intrusion with very narrow transition zone. Hydrogeology Journal (2014). Vol. 22 ISS 2.

Fahs M., Younes A. A high accurate Fourier-Galerkin Solution for Buoyancy-driven flow in a square cavity. Numerical Heat transfer Part B : Fundamentals (2014). Vol.65 ISS. 6.

Zidane A., Zechner E., Huggenberger P. and Younes A. On the effects of subsurface parameters on evaporite dissolution (Switzerland), Journal of Contaminant hydrology (2014). Vol 160, 42-52.

Zidane A., Zechner E., Huggenberger P., and Younes A. Simulation of rock salt dissolution and its impact on land subsidence, Hydrology and Earth System Sciences (2014), Volume 18, Issue 6, pp.2177-2189

Fahs M., Younes A., Mara T. A new benchmark semi-analytical solution for density-driven flow in porous media, Advances in Water Resources, Volume 70, August 2014, Pages 24-35, ISSN 0309-1708.

Shao Q., Fernández-González R., Mikdam A., Bouhala, L., Younes, A., Núñez P., Belouettar S., Makradi A., Influence of heat transfer and fluid flow on crack growth in multilayred porous/dense materials using XFEM : Application to Solid Oxide Fuel Cell like material design, International Journal of Solids and Structures, Available online 20 June 2014, ISSN 0020-7683.