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For the three-dimensional steady non-isentropic compressible Euler system with friction, we show existence of a class of symmetric subsonic, supersonic and transonic-shock solutions in a straight duct with constant square-section. Such…

偏微分方程分析 · 数学 2018-11-02 Hairong Yuan , Qin Zhao

This paper is devoted to the structural stability of a transonic shock passing through a flat nozzle for two-dimensional steady compressible flows with an external force. We first establish the existence and uniqueness of one dimensional…

偏微分方程分析 · 数学 2026-01-14 Shangkun Weng , Wengang Yang

We establish the existence and uniqueness of the transonic shock solution for steady isentropic Euler system with an external force in a rectangular cylinder under the three-dimensional perturbations for the incoming supersonic flow, the…

偏微分方程分析 · 数学 2024-03-26 Shangkun Weng , Zihao Zhang , Yan Zhou

We prove that for the two-dimensional steady complete compressible Euler system, with given uniform upcoming supersonic flows, the following three fundamental flow patterns (special solutions) in gas dynamics involving transonic shocks are…

偏微分方程分析 · 数学 2010-04-13 Beixiang Fang , Li Liu , Hairong Yuan

In this paper, both structural and dynamical stabilities of steady transonic shock solutions for one-dimensional Euler-Poission system are investigated. First, a steady transonic shock solution with supersonic backgroumd charge is shown to…

偏微分方程分析 · 数学 2015-05-19 Tao Luo , Jeffrey Rauch , Chunjing Xie , Zhouping Xin

We address the existence and stability of transonic shocks for the two-dimensional steady rotating Euler system in an almost flat nozzle. Under the influence of the Coriolis force, we first establish a class of special transonic shock…

偏微分方程分析 · 数学 2026-04-21 Zihao Zhang

This paper concerns the existence and location of three-dimensional axisymmetric transonic shocks with large swirl velocity for shock solutions of the steady compressible full Euler system in a cylindrical nozzle with prescribed receiver…

偏微分方程分析 · 数学 2026-01-22 Beixiang Fang , Xin Gao , Wei Xiang , Qin Zhao

We prove the stability of three-dimensional axisymmetric solutions to the steady Euler system with transonic shocks in divergent nozzles under perturbations of the exit pressure and the supersonic solution in the upstream region. We first…

偏微分方程分析 · 数学 2024-07-30 Hyangdong Park

We establish the existence and stability of the transonic shock solution to three-dimensional axisymmetric Euler system with an external force in a cylinder under perturbations of the incoming supersonic flow, the exit pressure, the…

偏微分方程分析 · 数学 2026-05-26 Zihao Zhang

We develop a method that works in general product Riemannian manifold to decompose the three-dimensional steady full compressible Euler system, which is of elliptic-hyperbolic composite-mixed type for subsonic flows. The method is applied…

偏微分方程分析 · 数学 2015-05-13 Li Liu , Gang Xu , Hairong Yuan

The existence, uniqueness, and asymptotic behavior of steady transonic flows past a curved wedge, involving transonic shocks, governed by the two-dimensional full Euler equations are established. The stability of both weak and strong…

偏微分方程分析 · 数学 2018-01-10 Gui-Qiang G. Chen , Jun Chen , Mikhail Feldman

We establish the local uniqueness of steady transonic shock solutions with spherical symmetry for the three-dimensional full Euler equations. These transonic shock-fronts are important for understanding transonic shock phenomena in…

偏微分方程分析 · 数学 2011-12-09 Gui-Qiang G. Chen , Hairong Yuan

In this paper, both smooth subsonic and transonic flows to steady Euler-Poisson system in a concentric cylinder are studied. We first establish the existence of cylindrically symmetric smooth subsonic and transonic flows to steady…

偏微分方程分析 · 数学 2023-08-23 Shangkun Weng , Wengang Yang , Na Zhang

We are concerned with geometric properties of transonic shocks as free boundaries in two-dimensional self-similar coordinates for compressible fluid flows, which are not only important for the understanding of geometric structure and…

偏微分方程分析 · 数学 2020-06-09 Gui-Qiang G. Chen , Mikhail Feldman , Wei Xiang

This paper concerns the existence of transonic shocks for steady exothermically reacting Euler flows in an almost flat nozzle with the small rate of the exothermic reaction. One of the key points is to quantitatively determine the position…

偏微分方程分析 · 数学 2023-01-02 Beixiang Fang , Piye Sun , Qin Zhao

In this paper, we prove the structural stability of the transonic shocks for three dimensional axisymmetric Euler system with swirl velocity under the perturbations for the incoming supersonic flow, the nozzle boundary, and the exit…

偏微分方程分析 · 数学 2020-02-14 Shangkun Weng , Chunjing Xie , Zhouping Xin

For unipolar hydrodynamic model of semiconductor device represented by Euler-Poisson equations, when the doping profile is supersonic, the existence of steady transonic shock solutions and C-smooth steady transonic solutions for…

偏微分方程分析 · 数学 2022-02-09 Yue-Hong Feng , Ming Mei , Guojing Zhang

This paper concerns the structural stability of smooth cylindrically symmetric supersonic Euler-Poisson flows in nozzles. Both three-dimensional and axisymmetric perturbations are considered. On one hand, we establish the existence and…

偏微分方程分析 · 数学 2025-03-21 Chunpeng Wang , Zihao Zhang

We establish the stability of 3-D axisymmetric transonic shock solutions of the steady full Euler system in divergent nozzles under small perturbations of an incoming radial supersonic flow and a constant pressure at the exit of the…

偏微分方程分析 · 数学 2021-02-26 Yong Park

We show existence, uniqueness and stability for a family of stationary subsonic compressible Euler flows with mass-additions in two-dimensional rectilinear ducts, subjected to suitable time-independent multi-dimensional boundary conditions…

偏微分方程分析 · 数学 2022-02-09 Junlei Gao , Hairong Yuan
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