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Concentration in the flux approximation limit of Riemann solutions to the extended Chaplygin gas equations with Coulomb-like friction
Qingling Zhang
In this paper, two kinds of occurrence mechanism on the phenomenon of concentration and the formation of delta shock waves are analyzed and identified in the flux approximation lim…
Singular solutions to the Riemann problem for the pressureless Euler equations with discontinuous source term
Qingling Zhang
In this paper, the Riemann problem for the pressureless Euler equations with a discontinuous source term is considered. The delta shock wave solution is obtained by combining the g…
Concentration in the flux approximation limit of Riemann solutions to the extended Chaplygin gas equations
Qingling Zhang
In this paper, two kinds of occurrence mechanism on the phenomenon of concentration and the formation of delta shock wave in the flux approximation limit of Riemann solutions to th…
Stability of Riemann solutions to pressureless Euler equations with Coulomb-like friction by flux approximation
Qingling Zhang
We study the stability of Riemann solutions to pressureless Euler equations with Coulomb-like friction under the nonlinear approximation of flux functions with one parameter. The a…