Zobrazeno 1 - 10
of 102
pro vyhledávání: '"K. N. Volkov"'
Publikováno v:
Fluids, Vol 8, Iss 1, p 31 (2023)
The study is dedicated to the peculiarities of implementing the flux limiter of the flow quantity gradient when solving 3D aerodynamic problems using the system of Navier–Stokes equations on unstructured meshes. The paper describes discretisation o
Externí odkaz:
https://doaj.org/article/5bb983533d3b4cbdaafe64cd362fecc6
Publikováno v:
Naučno-tehničeskij Vestnik Informacionnyh Tehnologij, Mehaniki i Optiki, Vol 16, Iss 5, Pp 764-772 (2016)
Subject of Research. A mathematical model of optical breakdown in the dielectric liquid droplets when exposed to pulsed laser radiation was developed. The process is considered in several stages: heating, evaporation of the particle, forming a steam
Externí odkaz:
https://doaj.org/article/bf3f54e6b38349bb961e60f22c15573a
Autor:
P. V. Bulat, K. N. Volkov
Publikováno v:
Naučno-tehničeskij Vestnik Informacionnyh Tehnologij, Mehaniki i Optiki, Vol 16, Iss 3, Pp 550-558 (2016)
We consider numerical simulation of shock wave refraction on plane contact discontinuity, separating two gases with different density. Discretization of Euler equations is based on finite volume method and WENO finite difference schemes, implemented
Externí odkaz:
https://doaj.org/article/56a6f120787444008599fbf811f11f48
Autor:
P. V. Bulat, K. N. Volkov
Publikováno v:
Naučno-tehničeskij Vestnik Informacionnyh Tehnologij, Mehaniki i Optiki, Vol 16, Iss 2, Pp 354-362 (2016)
Subject of Research. Numerical simulation results and investigation of shock wave diffraction of differentintensity on the flat right angleare presented. Method. The numerical model is based on the solution of unsteadyEuler equations for inviscid com
Externí odkaz:
https://doaj.org/article/83a1bb128a8f4a518a7c2ddaf9e5a4f7
Publikováno v:
Naučno-tehničeskij Vestnik Informacionnyh Tehnologij, Mehaniki i Optiki, Vol 16, Iss 1, Pp 1-21 (2016)
We consider current problems of improving propulsion systems of highly supersonic air-space vehicles. In the first part, we review historic developments and list the landmark scientific papers. Classification of detonation engines is presented with d
Externí odkaz:
https://doaj.org/article/d6bb155cbe6b4c7eacb6a829bb056ec9
Autor:
P. V. Bulat, K. N. Volkov
Publikováno v:
Naučno-tehničeskij Vestnik Informacionnyh Tehnologij, Mehaniki i Optiki, Vol 16, Iss 1, Pp 174-180 (2016)
Creation of test solutions is an essential element in the general design contents for numerical methods aimed at integration of Euler equations. We consider numerical solution of Euler equations describing flows of inviscid compressible gas and allow
Externí odkaz:
https://doaj.org/article/a12010961c8b4636926220ff805d441a
Autor:
P. V. Bulat, K. N. Volkov
Publikováno v:
Naučno-tehničeskij Vestnik Informacionnyh Tehnologij, Mehaniki i Optiki, Vol 15, Iss 6, Pp 1155-1168 (2015)
Subject of study.We consider the Riemann problem for parameters at collision of two plane flows at a certain angle. The problem is solved in the exact statement. Most cases of interference, both stationary and non-stationary gas-dynamic discontinuiti
Externí odkaz:
https://doaj.org/article/37fdc7541bd24b03a954511e4f6d8100
Autor:
P. V. Bulat, K. N. Volkov
Publikováno v:
Naučno-tehničeskij Vestnik Informacionnyh Tehnologij, Mehaniki i Optiki, Vol 15, Iss 4, Pp 741-747 (2015)
Subject of Research. Numerical solution methods of gas dynamics problems based on exact and approximate solution of Riemann problem are considered. We have developed an approach to the solution of Euler equations describing flows of inviscid compress
Externí odkaz:
https://doaj.org/article/017655a78ab842f38dbb21b0b1c2b796
Autor:
P. V. Bulat, K. N. Volkov
Publikováno v:
Naučno-tehničeskij Vestnik Informacionnyh Tehnologij, Mehaniki i Optiki, Vol 15, Iss 4, Pp 731-740 (2015)
One-dimensional unsteady gas dynamics problems are revealing tests for the accuracy estimation of numerical solution with respect to simulation of supersonic flows of inviscid compressible gas. Numerical solution of Euler equations describing flows o
Externí odkaz:
https://doaj.org/article/628759374d4341189f9f8dbabf9418cf
Publikováno v:
Naučno-tehničeskij Vestnik Informacionnyh Tehnologij, Mehaniki i Optiki, Vol 15, Iss 1, Pp 139-148 (2015)
The Riemann problem of one-dimensional arbitrary discontinuity breakdown for parameters of unsteady gas flow is considered as applied to the design of Godunov-type numerical methods. The problem is solved in exact and approximate statements (Osher-So
Externí odkaz:
https://doaj.org/article/895f2467d1d44e90b100ea16436443eb