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For the one-dimensional linear kinetic equation analytical solutions of problems about temperature jump and weak evaporation (condensation) over flat surface are received. The equation has integral of collisions BGK (Bhatnagar, Gross and…

Mathematical Physics · Physics 2014-03-25 A. L. Bugrimov , A. V. Latyshev , A. A. Yushkanov

For the one-dimensional linear kinetic equations with collisional frequency of the molecules, proportional to the module velocity of molecules, analytical solutions of problems about temperature jump and weak evaporation (condensation) in…

Mathematical Physics · Physics 2014-06-10 A. V. Latyshev , A. A. Yushkanov

The one-dimensional kinetic equation with integral of collisions type BGK (Bhatnagar, Gross and Krook) and frequency of collisions affine depending on the module of molecular velocity is constructed. Laws of preservation of number of…

Mathematical Physics · Physics 2014-03-11 A. L. Bugrimov , A. V. Latyshev , A. A. Yushkanov

For one-dimensional linear kinetic equations analytical solutions of problems about moderately strong evaporation (condensation), when frequency of collisions of molecules is constant, are received . The equation and distribution function…

Mathematical Physics · Physics 2014-06-18 A. V. Latyshev , A. A. Yushkanov

We consider a class of nonlinear, spatially inhomogeneous kinetic equations of BGK-type with density dependent collision rates. These equations share the same superlinearity as the Boltzmann equation, and fall into the class of run and…

Analysis of PDEs · Mathematics 2026-01-29 Josephine Evans , Daniel Morris , Havva Yoldaş

The classical Kramers problem of the kinetic theory is analytically solved. The Kramers problem about isothermal sliding for quantum Fermi gases is considered. Quantum gases with the velocity-dependent collision frequency are considered.…

Mathematical Physics · Physics 2012-01-05 A. Yu. Kvashnin , A. V. Latyshev , A. A. Yushkanov

We consider kinetic and related macroscopic equations on networks. A class of linear kinetic BGK models is considered, where the limit equation for small Knudsen numbers is given by the wave equation. Coupling conditions for the macroscopic…

Numerical Analysis · Mathematics 2025-12-05 Raul Borsche , Tobias Damm , Axel Klar , Yizhou Zhou

We study the fundamental problem of two gas species in two dimensional velocity space whose molecules collide as hard circles in the presence of a flat boundary and with dependence on only one space dimension. The case of three-dimensional…

Analysis of PDEs · Mathematics 2009-11-11 A. Sotirov

One of classical boundary problems of the kinetic theory (a problem about thermal sliding) of the rarefied gas along a flat firm surface is considered. Kinetic Boltzmann equation with model integral of collisions BGK (Bhatnagar, Gross,…

Fluid Dynamics · Physics 2016-03-18 A. V. Latyshev , A. A. Yushkanov , E. E. Korneeva

The classical Kramers problem of the kinetic theory is solved. The Kramers problem about isothermal sliding for quantum Fermi gases is considered. Quantum gases with the velocity - dependent collision frequency are considered. Specular -…

Mathematical Physics · Physics 2015-03-19 A. Yu. Kvashnin , A. V. Latyshev , A. A. Yushkanov

We propose a numerical approach, of the BGK kinetic type, that is able to approximate with a given, but arbitrary, order of accuracy the solution of linear and non-linear convection-diffusion type problems: scalar advection-diffusion,…

Numerical Analysis · Mathematics 2023-10-13 Gauthier Wissocq , Rémi Abgrall

The boundary problem about behaviour (oscillations) of the electronic plasmas with arbitrary degree of degeneration of electronic gas in half-space with diffusion boundary conditions is analytically solved. The kinetic equation of Vlasov -…

Plasma Physics · Physics 2017-01-06 A. V. Latyshev , S. Suleimanova

A kinetic equation which combines the quasiparticle drift of Landau's equation with a dissipation governed by a nonlocal and noninstant scattering integral in the spirit of Snider's equation for gases is derived. Consequent balance…

Nuclear Theory · Physics 2009-10-31 Václav Špička , Pavel Lipavský , Klaus Morawetz

We study half-space linear kinetic equations with general boundary conditions that consist of both given incoming data and various type of reflections, extending our previous work [LLS14] on half-space equations with incoming boundary…

Numerical Analysis · Mathematics 2015-09-14 Qin Li , Jianfeng Lu , Weiran Sun

The Kramers problem for quantum Bose-gases with specular-diffuse boundary conditions of the kinetic theory is considered. On an example of Kramers' problem the new generalized method of a source of the decision of the boundary problems from…

Mathematical Physics · Physics 2012-12-07 E. A. Bedrikova , A. V. Latyshev

The Kramers problem for quantum fermi-gases with specular - diffuse boundary conditions of the kinetic theory is considered. On an example of Kramers problem the new generalised method of a source of the decision of the boundary problems…

Mathematical Physics · Physics 2012-02-14 P. V. Ivanisenko , A. V. Latyshev

We consider a boundary-value problem describing the steady motion of a two-component mixture of viscous compressible heat-conducting fluids in a bounded domain. We make no simplifying assumptions except for postulating the coincidence of…

Analysis of PDEs · Mathematics 2017-10-19 Alexander Mamontov , Dmitriy Prokudin

We consider two classes of linear kinetic equations: with constant collision frequency and constant mean free path of gas molecules (i.e., frequency of molecular collisions, proportional to the modulus molecular velocity). Based homogeneous…

Mathematical Physics · Physics 2014-07-29 A. V. Latyshev , A. D. Kurilov

The relativistic kinetic equations for the two domains separated by the hypersurface with both space- and time-like parts are derived. The particle exchange between the domains separated by the time-like boundaries generates source terms…

Nuclear Theory · Physics 2009-11-07 K. A. Bugaev

We obtain the existence, uniqueness and regularity results for solutions to kinetic Fokker-Planck equations with bounded measurable coefficients in the presence of boundary conditions, including the inflow, diffuse reflection and specular…

Analysis of PDEs · Mathematics 2025-02-25 Yuzhe Zhu
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