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Sébastien LeclaireDepartment of Mechanical Engineering
Profile in the Directory of Experts of Polytechnique Montréal
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Bakhta, A., Leclaire, S., Vidal, D., Bertrand, F., & Cheriet, M. (2019). Multiscale simulation of ink seepage into paper: A mesoscopic variational model. Computer Physics Communications, 239, 1-13. External link
Caron, F., & Leclaire, S. (2021, December). A modelling cycle for the training in simulation-based engineering science [Abstract]. Workshop on Controlling Error and Efficiency of Numerical Models: Methods, benchmarks, and case studies, Toronto, Ont.. External link
Douillet-Grellier, T., Leclaire, S., Vidal, D., Bertrand, F., & De Vuyst, F. (2019). Comparison of multiphase SPH and LBM approaches for the simulation of intermittent flows. Computational Particle Mechanics, 6(4), 695-720. External link
Elsherbiny, A. M. M., & Leclaire, S. (2024). Integration of Lattice Boltzmann-overset method with non-conforming quadtree mesh based on the combination of spatial and Lagrangian-link interpolated streaming technique. Computers & Fluids, 106522 (16 pages). External link
Garcia Perez, J., Leclaire, S., Ammar, S., Trépanier, J.-Y., Reggio, M., & Benmeddour, A. (2021). Investigations of water droplet impact and freezing on a cold substrate with the Lattice Boltzmann method. International Journal of Thermofluids, 12, 10 pages. External link
Garcia Perez, J., Trépanier, J.-Y., Leclaire, S., Reggio, M., & Benmeddour, A. (2020). Lattice Boltzmann approach for the modeling and simulation of water droplets impact and freezing. (Technical Report). Unavailable
Guiet, J., Vasseur, P., Reggio, M., & Leclaire, S. (2010, May). Application of the lattice Boltzmann method to calculate the natural convection of nanofluids in shallow cavity [Paper]. CFD Society of Canada 18th Annual Conference, London, Ontario. Unavailable
Ho, M., Tucny, J.‐M., Ammar, S., Leclaire, S., Reggio, M., & Trépanier, J.-Y. (2024). Lattice boltzmann model for rarefied gaseous mixture flows in three-dimensional porous media including knudsen diffusion. Fluids, 9(10), 237 (26 pages). Available
Ho, M., Ammar, S., Leclaire, S., Reggio, M., & Trépanier, J.-Y. (2022). Comparative study of multicomponent Lattice Boltzmann models for binary mixture flows. International Journal of Modern Physics C, 33(03), 2250034 (24 pages). External link
Ho, M., Ammar, S., Leclaire, S., Reggio, M., & Trépanier, J.-Y. (2022). Lattice Boltzmann Modeling of Miscible Multicomponent Gas Mixtures in the Rarefied Regime. Communications in Computational Physics, 32(4), 1179-1216. External link
Ho, M., Seif, M., McDaniel, S., Leclaire, S., Reggio, M., Trépanier, J.-Y., Beck, M., & Martin, A. (2021, January). Fluid behavior in stochastic porous structures [Paper]. 2021 AIAA Scitech Forum. External link
Ho, M., Leclaire, S., Trépanier, J.-Y., Reggio, M., & Martin, A. (2021). Permeability calculation of a fibrous thermal insulator using the lattice boltzmann method. Journal of Thermophysics and Heat Transfer, 35(1), 206-209. External link
Ho, M., Leclaire, S., Reggio, M., & Trépanier, J.-Y. (2021). Stochastic Effects of 2D Random Arrays of Cylinders on Rarefied Gas Permeability Using the Lattice Boltzmann Method. Transport in Porous Media, 136(2), 607-637. External link
Ho, M., Pérez, J., Leclaire, S., Reggio, M., & Trépanier, J.-Y. (2019, June). Investigation of advection-diffusion problems and simulations using the lattice Boltzmann method and the ArrayFire library for high-performance computing on GPU [Abstract]. Joint Canadian Society for Mechanical Engineering and CFD Society of Canada International Congress, London, Ontario. External link
Ho, M., Leclaire, S., Reggio, M., & Trépanier, J.-Y. (2019, February). Mesoscopic simulations of thermal protection systems using the lattice Boltzmann method [Poster]. Simulation-Based Engineering Science Day, Montréal, Québec. Unavailable
Huber, C., Parmigiani, A., Degruyter, W., Bachmann, O., & Leclaire, S. (2016, December). Volatile transport in subvolcanic magma reservoirs [Abstract]. American Geophysical Union Fall Meeting 2016, San Francisco, Calif.. Unavailable
Kong, X.-Z., Parmigiani, A., Di Palma, P., Leclaire, S., & Saar, M. O. (2018, November). Dynamics of phase exsolution in porous media [Abstract]. 16th Swiss Geoscience Meeting, Bern, Switzerland. External link
Latt, J., Malaspinas, O., Kontaxakis, D., Parmigiani, A., Lagrava, D., Brogi, F., Belgacem, M. B., Thorimbert, Y., Leclaire, S., Li, S., Marson, F., Lemus, J., Kotsalos, C., Conradin, R., Coreixas, C., Petkantchin, R., Raynaud, F., Beny, J., & Chopard, B. (2021). Palabos: Parallel Lattice Boltzmann Solver. Computers & Mathematics With Applications, 81, 334-350. External link
Leclaire, S., Vidal, D., Fradette, L., & Bertrand, F. (2020). Validation of the pressure drop-flow rate relationship predicted by lattice Boltzmann simulations for immiscible liquid-liquid flows through SMX static mixers. Chemical Engineering Research and Design, 153, 350-368. External link
Leclaire, S., Vidal, D., Fradette, L., & Bertrand, F. (2018, June). Lattice Boltzmann modeling of immiscible liquid-liquid flows in static mixers [Paper]. North American Mixing Forum (Mixing XXVI), San Juan, Puerto Rico. Unavailable
Leclaire, S., Latt, J., Vidal, D., & Bertrand, F. (2018). Multiphase periodic pressure difference boundary condition enhanced by a proportional-integral-derivative controller for the lattice Boltzmann method. International Journal for Numerical Methods in Fluids, 88(9), 434-446. External link
Leclaire, S., Parmigiani, A., Malaspinas, O., Chopard, B., & Latt, J. (2017). Generalized three-dimensional lattice Boltzmann color-gradient method for immiscible two-phase pore-scale imbibition and drainage in porous media. Physical Review E - Statistical, Nonlinear, and Soft Matter Physics, 95(3), 31 pages. External link
Leclaire, S., Parmigiani, A., Chopard, B., & Latt, J. (2017). Three-dimensional lattice Boltzmann method benchmarks between color-gradient and pseudo-potential immiscible multi-component models. International Journal of Modern Physics C, 28(7), 30 pages. External link
Leclaire, S., Abahri, K., Belarbi, R., Latt, J., Chopard, B., & Bennacer, R. (2016, May). A geometrical approach for simulating multiphase flow static contact angles with a lattice Boltzmann method [Paper]. International Conference on Materials & Energy, La Rochelle, France. Unavailable
Leclaire, S., Parmigiani, A., Malaspinas, O., Chopard, B., & Latt, J. (2016, January). Lattice Boltzmann method for simulating immiscible two-phase flows in porous media [Paper]. MATHIAS-Total, Marne-la-Vallée, France. Unavailable
Leclaire, S., Abahri, K., Belarbi, R., & Bennacer, R. (2016). Modeling of static contact angles with curved boundaries using a multiphase lattice Boltzmann method with variable density and viscosity ratios. International Journal for Numerical Methods in Fluids, 82(8), 451-470. External link
Leclaire, S., Pellerin, N., Reggio, M., & Trépanier, J.-Y. (2016). A multiphase lattice Boltzmann method for simulating immiscible liquid-liquid interface dynamics. Applied Mathematical Modelling, 40(13-14), 6376-6394. External link
Leclaire, S., Pellerin, N., Reggio, M., & Trépanier, J.-Y. (2015). An approach to control the spurious currents in a multiphase lattice Boltzmann method and to improve the implementation of initial condition. International Journal for Numerical Methods in Fluids, 77(12), 732-746. External link
Leclaire, S. (2015). Forward and backward finite differences for isotropic gradients on a square lattice derived from a rectangular lattice formulation. International Journal of Computer Mathematics, 92(5), 1078-1085. External link
Leclaire, S., El-Hachem, M., Trépanier, J.-Y., & Reggio, M. (2014). High Order Spatial Generalization of 2D and 3D Isotropic Discrete Gradient Operators with Fast Evaluation on GPUs. Journal of Scientific Computing, 59(3), 545-573. External link
Leclaire, S., Pellerin, N., Reggio, M., & Trépanier, J.-Y. (2014). Multiphase flow modeling of spinodal decomposition based on the cascaded lattice Boltzmann method. Physica A: Statistical Mechanics and its Applications, 406, 307-319. External link
Leclaire, S., Pellerin, N., Reggio, M., & Trépanier, J.-Y. (2014). Unsteady immiscible multiphase flow validation of a multiple-relaxation-time lattice Boltzmann method. Journal of Physics A: Mathematical and Theoretical, 47(10), 24-24. External link
Leclaire, S. (2013). Étude d'un modèle de Boltzmann sur réseau pour la simulation assistée par ordinateur des fluides à plusieurs phases immiscibles [Ph.D. thesis, École Polytechnique de Montréal]. Available
Leclaire, S., Pellerin, N., Reggio, M., & Trépanier, J.-Y. (2013). Enhanced equilibrium distribution functions for simulating immiscible multiphase flows with variable density ratios in a class of lattice Boltzmann models. International Journal of Multiphase Flow, 57, 159-168. External link
Leclaire, S., Reggio, M., & Trépanier, J.-Y. (2013). Progress and Investigation on Lattice Boltzmann Modeling of Multiple Immiscible Fluids or Components With Variable Density and Viscosity Ratios. Journal of Computational Physics, 246, 318-342. External link
Leclaire, S., El-Hachem, M., & Reggio, M. (2012). Convolution kernel for fast CPU/GPU computation of 2D/3D isotropic gradients on a square/cubic lattice. In Katsikis, V. (ed.), MATLAB - A Fundamental Tool for Scientific Computing and Engineering Applications - Volume 3 (Vol. 3, pp. 195-216). Available
Leclaire, S., Trépanier, J.-Y., Reggio, M., & Malouin, B. (2012, May). Laplace Young's law and multi-layered Couette's flow in a lattice Boltzmann model [Paper]. CFD Society of Canada 20th Annual Conference, Canmore, Alberta. Unavailable
Leclaire, S., Reggio, M., & Trépanier, J.-Y. (2012). Numerical Evaluation of Two Recoloring Operators for an Immiscible Two-Phase Flow Lattice Boltzmann Model. Applied Mathematical Modelling, 36(5), 2237-2252. External link
Leclaire, S., Reggio, M., & Trépanier, J.-Y. (2011). Isotropic color gradient for simulating very high-density ratios with a two-phase flow lattice Boltzmann model. Computers and Fluids, 48(1), 98-112. External link
Leclaire, S., Reggio, M., & Trépanier, J.-Y. (2011, April). Lattice Boltzmann immiscible three-phase model [Paper]. 19th Annual Conference of the CFD Society of Canada, Montréal, Québec. Unavailable
Leclaire, S., Reggio, M., & Trépanier, J.-Y. (2010, May). Integration of a recoloring algorithm into a Rothman-Keller lattice Boltzmann model [Paper]. 18th Annual Conference of the CFD Society of Canada, Ontario, Canada. Unavailable
Leclaire, S. (2009). Simulation numérique des fluides avec la méthode de Boltzmann sur réseau utilisant le krigeage des gradients [Master's thesis, École Polytechnique de Montréal]. Unavailable
Leclaire, S. (2007). Algorithmes efficaces pour la simulation de gouttes entraînées [Master's Thesis, Université de Montréal]. External link
Leclaire, S. (2004). Géométrie différentielle, champs de vecteurs et géodésiques [B. Sc., Université de Montréal]. Unavailable
Ndiaye, E. H. A. A., Trépanier, J.-Y., Sousa, R. H., & Leclaire, S. (2025). Conservative Immersed Boundary Methods on Cartesian grids for inviscid compressible flows simulation. International Journal of Heat and Fluid Flow, 114, 109775 (15 pages). External link
Namvar, M., & Leclaire, S. (2023). LaBCof: Lattice Boltzmann boundary condition framework. Computer Physics Communications, 285, 108647 (20 pages). External link
Namvar, M., & Leclaire, S. (2022). Simple lattice Boltzmann method algorithm with low memory usage. Journal of Computational Science, 62, 18 pages. External link
Périé-Curnier, D., Bedoux, A., Dubois, P., & Leclaire, S. (2024, May). MRI-based analysis of the blood flow in the left ventricle: 2D geometry-prescribed Cine-MRI based model versus 4D-Flow CMR [Paper]. ISMRM & ISMRT annual Meeting & Exhibition, Singapore. Published in Proceedings on CD-ROM - International Society for Magnetic Resonance in Medicine. Scientific Meeting and Exhibition/Proceedings of the International Society for Magnetic Resonance in Medicine, Scientific Meeting and Exhibition. External link
Pellerin, N., Leclaire, S., & Reggio, M. (2021). An interpolation-based lattice Boltzmann method for non-conforming orthogonal meshes. Computers and Mathematics with Applications, 100, 152-166. External link
Parmigiani, A., Di Palma, P. R., Leclaire, S., Habib, F., & Kong, X.-Z. (2019). Characterization of transport-enhanced phase separation in porous media using a Lattice-Boltzmann method. Geofluids, 2019, 1-13. Available
Pérez, J., Trépanier, J.-Y., Reggio, M., & Leclaire, S. (2019, February). Lattice Boltzmann Approach for the Modelling and Simulation of a Water Droplet Impact and Freezing [Poster]. Simulation-Based Engineering Science Day, Montréal, Québec. Unavailable
Parmigiani, A., Degruyter, W., Leclaire, S., Huber, C., & Bachmann, O. (2017). The mechanics of shallow magma reservoir outgassing. Geochemistry, Geophysics, Geosystems, 18(8), 2887-2905. External link
Pellerin, N., Leclaire, S., & Reggio, M. (2017). Solving incompressible fluid flows on unstructured meshes with the lattice Boltzmann flux solver. Engineering Applications of Computational Fluid Mechanics, 11(1), 310-327. External link
Parmigiani, A., Huber, C., Bachmann, O., & Leclaire, S. (2016, April). Why are plutons dry? Outgassing mechanisms of crustal magmatic bodies [Paper]. EGU General Assembly 2016, Vienna, Austria. Unavailable
Pellerin, N., Leclaire, S., & Reggio, M. (2015). An implementation of the Spalart-Allmaras turbulence model in a multi-domain lattice Boltzmann method for solving turbulent airfoil flows. Computers & Mathematics With Applications, 70(12), 3001-3018. External link
Pellerin, N., Leclaire, S., & Reggio, M. (2014). Equilibrium distributions for straight, curved, and immersed boundary conditions in the lattice Boltzmann method. Computers and Fluids, 101, 126-135. External link
Rastiello, G., Leclaire, S., Belarbi, R., & Bennacer, R. (2015). Unstable two-phase flow rate in micro-channels and cracks under imposed pressure difference. International Journal of Multiphase Flow, 77, 131-141. External link
Tucny, J.‐M., Leclaire, S., Vidal, D., & Bertrand, F. (2025). On the Invalidity of the Extended Navier-Stokes Equations to Compute Rarefied Gas Flows in a Cylinder Array. International journal of computational fluid dynamics, 1-18. External link
Tucny, J.-M., Leclaire, S., Vidal, D., & Bertrand, F. (2023). Computation of effective viscosities for rarefied gas flows using ray-tracing. International Journal of Applied and Computational Mathematics, 9(5), 110 (21 pages). External link
Tucny, J.-M., Spreutels, L., Drolet, F., Leclaire, S., Bertrand, F., & Vidal, D. (2022). Impact of fiber diameter polydispersity on the permeability of fibrous media. Chemical Engineering Science, 262, 117984 (12 pages). External link
Tucny, J.-M., Vidal, D., Leclaire, S., & Bertrand, F. (2022, July). Investigation on the validity of a rarefied gas flow model based on the LBM as an extended Navier-Stokes equation solver for porous media [Presentation]. In 32nd International Symposium on Rarefied Gas Dynamics (RGD 2022), Seoul, Korea, South. Unavailable
Tucny, J.-M., Vidal, D., Leclaire, S., & Bertrand, F. (2022). Kinetic Slip Boundary Condition for Isothermal Rarefied Gas Flows through Static Non-Planar Geometries Based on the Regularized Lattice-Boltzmann Method. Communications in Computational Physics, 31(3), 816-868. External link
Tucny, J.-M., Vidal, D., Leclaire, S., & Bertrand, F. (2021, December). Convergence order of the Lattice Boltzmann method in rarefied regimes [Abstract]. Workshop on Controlling Error and Efficiency of Numerical Models: Methods, benchmarks, and case studies, Toronto, Ont.. External link
Tucny, J.-M., Vidal, D., Leclaire, S., & Bertrand, F. (2020). Comparison of existing and extended boundary conditions for the simulation of rarefied gas flows using the Lattice Boltzmann method. International Journal of Modern Physics C, 31(5), 2050070. External link
Tucny, J.-M., Vidal, D., Leclaire, S., & Bertrand, F. (2019, February). A new Lattice-Boltzmann method for the simulation of rarefied gas flows in complex porous media [Poster]. Simulation-Based Engineering Science Day, Montréal, Québec. Unavailable
