Skew-Symmetric Splitting for Multiscale Gas Dynamics and MHD Turbulence Flows
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Scientific Computing"
DOI: 10.1007/s10915-020-01225-w
Abstract: The objective of this work is to improve nonlinear stability and to minimize aliasing error by applying high order central discretizations to skew-symmetric splitting forms of the inviscid flux derivative without added high order numerical… read more here.
Keywords: skew symmetric; turbulence; high order; symmetric splitting ... See more keywords
Global solution to initial boundary value problem for gas dynamics in thermal nonequilibrium
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Differential Equations"
DOI: 10.1016/j.jde.2018.04.019
Abstract: Abstract The global existence and long time behavior of smooth solutions to an initial boundary value problem for the system of thermal nonequilibrium gas dynamics are studied in this paper. read more here.
Keywords: initial boundary; value problem; boundary value; gas dynamics ... See more keywords
Generalized Riemann waves and their adjoinment through a shock wave
Sign Up to like & getrecommendations! Published in 2018 at "Mathematical Modelling of Natural Phenomena"
DOI: 10.1051/mmnp/2018027
Abstract: Generalized simple waves of the gas dynamics equations in Lagrangian and Eulerian descriptions are studied in the paper. As in the collision of a shock wave and a rarefaction wave, a flow becomes nonisentropic. Generalized… read more here.
Keywords: generalized simple; shock wave; gas dynamics; simple waves ... See more keywords
Nonlinear dispersive regularization of inviscid gas dynamics
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DOI: 10.1063/1.5133720
Abstract: Ideal gas dynamics can develop shock-like singularities with discontinuous density. Viscosity typically regularizes such singularities and leads to a shock structure. On the other hand, in 1d, singularities in the Hopf equation can be non-dissipatively… read more here.
Keywords: gas dynamics; gas; nonlinear dispersive; regularization ... See more keywords
Influence of gas dynamics on arc dynamics and the discharge power of a rotating gliding arc
Sign Up to like & getrecommendations! Published in 2019 at "Plasma Sources Science and Technology"
DOI: 10.1088/1361-6595/ab2169
Abstract: This work reports the design and characterization of a rotating gliding arc reactor (RGA) developed with novel electrode configuration. This RGA uses gas swirl discs having 'tangential gas entry ports/holes' (NH) to achieve arc rotation… read more here.
Keywords: gas; gliding arc; subagt; rotating gliding ... See more keywords
Simulating gravitational motion, gas dynamics, and structure in the cosmos
Sign Up to like & getrecommendations! Published in 2023 at "American Journal of Physics"
DOI: 10.1119/5.0144906
Abstract: We provide introductory explanations and illustrations of the N-body hydrodynamics code Charm N-body GrAvity solver (ChaNGa). ChaNGa simulates the gravitational motion and gas dynamics of matter in space with the goal of modeling galactic and/or… read more here.
Keywords: gas dynamics; gravitational motion; motion gas; structure ... See more keywords
Group Analysis of the One-Dimensional Gas Dynamics Equations in Lagrangian Coordinates and Conservation Laws
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Applied Mechanics and Technical Physics"
DOI: 10.1134/s0021894420020054
Abstract: A group analysis of the second-order equation including the one-dimensional gas dynamics equations in Lagrangian coordinates as a particular case is performed. The use of Lagrangian coordinates makes it possible to consider the one-dimensional gas… read more here.
Keywords: dynamics equations; one dimensional; group; gas dynamics ... See more keywords
Supernova-Explosion Mechanism Involving Neutrinos
Sign Up to like & getrecommendations! Published in 2018 at "Physics of Atomic Nuclei"
DOI: 10.1134/s106377881801009x
Abstract: A major part of the energy released upon the gravitational collapse of massive-star cores is carried away by neutrinos. Neutrinos play a crucial role in collapsing supernovae (SNe). At the present time, mathematical models of… read more here.
Keywords: mechanism; convection; role; type ... See more keywords
Difference Scheme with a Symmetry Analyzer for Equations of Gas Dynamics
Sign Up to like & getrecommendations! Published in 2020 at "Mathematical Models and Computer Simulations"
DOI: 10.1134/s2070048220020076
Abstract: Abstract The paper proposes a symmetry analyzer as an element of the computational algorithm for the numerical integration of two-dimensional equations of ideal gas dynamics. A symmetry analyzer is an algorithm that allows using grid… read more here.
Keywords: gas dynamics; difference scheme; symmetry analyzer; analyzer ... See more keywords
Internal Combustion Engine Modeling Framework in Simulink: Gas Dynamics Modeling
Sign Up to like & getrecommendations! Published in 2020 at "Modelling and Simulation in Engineering"
DOI: 10.1155/2020/6787408
Abstract: With advancements in computer-aided design, simulation of internal combustion engines has become a vital tool for product development and design innovation. Among the simulation software packages currently available, MATLAB/Simulink is widely used for automotive system… read more here.
Keywords: engine; simulink; engine modeling; modeling framework ... See more keywords
Sequences of Sub-Microsecond Laser Pulses for Material Processing: Modeling of Coupled Gas Dynamics and Heat Transfer
Sign Up to like & getrecommendations! Published in 2019 at "Applied Sciences"
DOI: 10.3390/app9224785
Abstract: Multipulse laser processing of materials is promising because of the additional possibilities to control the thickness of the treated and the heat-affected zones and the energy efficiency. To study the physics of mutual interaction of… read more here.
Keywords: laser; processing; gas; heat transfer ... See more keywords