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Dr. Georgii Oblapenko

Dr. Georgii Oblapenko

Rogowski 229

Research Interests

  • Development of mathematical models for continuum flows with thermochemical non-equilibrium
  • Development of mathematical models for rarefied flows with inelastic collisions
  • Development and application of particle and particle-like methods (DSMC, DVM, photon Monte Carlo)
  • CFD methods for multi-species reacting flows
  • Uncertainty quantification in context of aerothermodynamics

Short CV

Work:

  • November 2023 – present: Post-doc at ACOM, RWTH Aachen.
  • January 2023 – September 2023: Remote scientific consultant, UT Austin, Oden Institute for Computational Engineering and Sciences / Department of Department of Aerospace Engineering and Engineering Mechanics.
  • November 2021 – October 2023: Post-doc at German Aerospace Center (DLR), Institute of Aerodynamics and Flowtechnology, Spacecraft Department, Göttingen. Research supported by personal fellowship of the Alexander von Humboldt Foundation
  • July 2018 – June 2021: Post-doc, UT Austin, Oden Institute for Computational Engineering and Sciences / Department of Department of Aerospace Engineering and Engineering Mechanics.
  • April 2013 – December 2017: Research engineer, Saint-Petersburg State University, Department of Hydroaeromechanics.

Education:

  • 2017: PhD in Physical and Mathematical Sciences, Saint-Petersburg State University, Russia.
    Area of specialization: mechanics of fluids, gases and plasma.
    Thesis title: Physico-chemical relaxation rates in viscous non-equilibrium gas flows.
  • 2015: M.Sc. (summa cum laude) in Mechanics and Mathematical Modeling, Saint-Petersburg State University, Russia.
    Area of specialization: Molecular-kinetic theory of fluids and gases.
  • 2013: B.Sc. in Mathematics and Mechanics, Saint-Petersburg State University, Russia.

Publications

Full publication lists:

Selected publications:

  • Djordjić, V., Oblapenko, G., Pavić-Čolić, M., & Torrilhon, M. (2023). Boltzmann collision operator for polyatomic gases in agreement with experimental data and DSMC method. Continuum Mechanics and Thermodynamics, 35(1), 103-119.
  • Oblapenko, G., Goldstein, D., Varghese, P., & Moore, C. (2022). Hedging direct simulation Monte Carlo bets via event splitting. Journal of Computational Physics, 466, 111390.
  • Oblapenko, G., & Kustova, E. V. (2020). Influence of angular momentum on transport coefficients in rarefied gases. Physica A: Statistical Mechanics and Its Applications, 553, 124673.
  • Oblapenko, G. P. (2018). Calculation of vibrational relaxation times using a kinetic theory approach. The Journal of Physical Chemistry A, 122(50), 9615-9625.
  • Kustova, E. V., & Oblapenko, G. P. (2015). Reaction and internal energy relaxation rates in viscous thermochemically non-equilibrium gas flows. Physics of Fluids, 27(1).

Teaching:

  • Summer 23/24: Math II
  • Winter 23/24: Math I