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physics.flu-dyn2023
Velocity of viscous fingers in miscible displacement: Intermediate concentration
Fedor Bakharev, Aleksandr Enin, Sergey Matveenko +4
We investigate one-phase flow in porous medium corresponding to a miscible displacement process in which the viscosity of the injected fluid is smaller than the viscosity in the re…
math.SP2023
Spectra of Dirichlet Laplacian in 3-dimensional polyhedral layers
Fedor Bakharev, Sergey Matveenko
The structure of the spectrum of the three-dimensional Dirichlet Laplacian in the 3D polyhedral layer of fixed width is studied. It appears that the essential spectrum is defined b…