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Bruno Blais
Ph.D. (Polytechnique Montréal), Master (ENSTA ParisTech), D. Ing. (ENSTA ParisTech), B. Ing. (Polytechnique Montréal)

Research interests and affiliations

Research interests
  • Computational Fluid Dynamics (CFD);
  • Fundamental and applied fluid mechanics;
  • Process Intensification;
  • Multiphysics modeling;
  • Granular flows;
  • Multiphase flows;
  • Finite Element Method (FEM);
  • Discrete Element Method (DEM);
  • Additive manufacturing;
  • Topology optimization;
  • High Performance Computing;
  • Open source software development
Expertise type(s) (NSERC subjects)
  • 1805 Transport processes
  • 2105 Hydraulics
  • 2107 Modelling, simulation and finite element methods
  • 1804 Heat transfer


Recent publications
Journal article
Delacroix, B., Rastoueix, J., Fradette, L., Bertrand, F. & Blais, B. (2021). CFD-DEM simulations of solid-liquid flow in stirred tanks using a non-inertial frame of reference. Chemical Engineering Science, 230, 14 pages. Retrieved from
Journal article
Golshan, S., Esgandari, B., Zarghami, R., Blais, B. & Saleh, K. (2020). Experimental and DEM studies of velocity profiles and residence time distribution of non-spherical particles in silos. Powder Technology, 373, 510-521. Retrieved from
Journal article
Bérard, A., Patience, G.S. & Blais, B. (2020). Experimental methods in chemical engineering: Unresolved CFD-DEM. Canadian Journal of Chemical Engineering, 98(2), 424-440. Retrieved from
Journal article
Golshan, S. & Blais, B. (2020). Insights into granular mixing in vertical ribbon mixers. Canadian Journal of Chemical Engineering, 32 pages. Retrieved from


Pr Blais expertise lies in the development, verification, and validation of high performance digital models for fluid mechanics, heat transfer, and complex multi-physical and multi-scale phenomena. His research interests are in computational fluid mechanics (CFD), reacting flows, granular and solid-fluid flows, topology optimization as well as high-performance computing on distributed high-performance architecture. He is the core developer of Lethe, an open source high-performance and high-order implicit CFD solver ( based on the open source DEALII platform ( He has published more than 50 peer-reviewed journal articles or conference abstract.

Pr Blais is Assistant Professor at École Polytechnique since 2018. Before this, he was a Research Officer with the Automotive and Surface Transportation Portfolio of the National Research Council of Canada (NRC AST) where he has carried out extensive work on multiphysics modelling using the finite element method. He has earned a B. Eng. in Chemical Engineering from Polytechnique Montréal, a Grande École Engineering Diploma from ENSTA Paristech, a master in Fundamental Fluid Mechanics from ENSTA and a Ph.D. in Chemical Engineering from Polytechnique Montreal. Pr Blais is a Vanier Graduate Scholar (2012-2016) and has received the Govenor’s General gold academic medal for his thesis work on numerical modelling of multiphase flows. 


GCH2545 : Modélisation numérique en ingénierie

GCH8108 : Méthodes numériques spécialisées en phénomènes d’échange


  • B. Eng. - Chemical Engineering (Polytechnique Montreal)
  • Diplôme d'ingénieur - spécialisation systèmes mécanique (ENSTA ParisTech)
  • Master - Mécanique des fluides fondamentale et appliquée (ENSTA ParisTech)
  • Ph.D. - Chemical Engineering (Polytechnique Montreal)

Supervision at Polytechnique


  • Master's Thesis (2)

    • Shademani, M. (2020). CFD-DEM Hybrid Modelling of Multiphase Gravity-Driven Granular Flows (Master's Thesis, Polytechnique Montréal). Retrieved from
    • Delacroix, B. (2019). Développement d’un modèle CFD-DEM en référentiel non-inertiel pour des applications au mélange solide-liquide (Master's Thesis, Polytechnique Montréal). Retrieved from

News about Bruno Blais

NEWS | October 2, 2020
Polytechnique Montréal Professor Bruno Blais named to the New Digital Research Infrastructure Organization - NDRIO Researcher Council | Read
NEWS | September 23, 2020
Plastic recycling goes electric: new technology gets a boost | Read