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Sebastien Leclaire
B. Sc., M. Sc., M. Ing., Ph. D.

Phone: (514) 340-4711 Ext. 4400 Fax: (514) 340-5170 Room: C-318.8
Primary sphere of excellence in research
Modeling and Artificial Intelligence
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Student research project(s)

Research interests and affiliations

Research interests
  • Simulation-Based Engineering Sciences (SBES)
  • Fluid mechanics
  • Multiphase flows
  • Computational fluid dynamics (CFD)
  • Lattice Boltzmann method (LBM)
  • Verifications and validations (V&V)
  • High Performance Computing (HPC)


Recent publications


I am a passionate professor with over a decade of experience in computational fluid dynamics. More specifically, I am an expert in the field of multiphase flow modeling using lattice Boltzmann methods, an emerging field of research. My research helps to improve the models that are using these methods, to extend the applicability of these approaches to practical cases and to optimize simulation codes for high performance computing.

Over the years, I have acquired a multidisciplinary research experience by joining various teams both in Quebec and around the world: in applied mathematics at the Université de Montréal, in mechanical engineering at Polytechnique Montréal, in civil engineering at ENS Cachan in France, in computer science at the University of Geneva in Switzerland and in chemical engineering at Polytechnique Montréal. Now with the mechanical engineering team at Polytechnique Montréal, I want to stimulate the interest of simulation-based engineering to students of all cycles and to transmit this science for research as well as for practical applications.


MEC8270 - Éléments finis en thermofluide

MEC6215 - Méthodes numériques en ingénierie


Supervision at Polytechnique


  • Professionnal master (0)