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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Some progress on steady Navier-Stokes system in a channel
通道 稳定 纳维-斯托克斯系统
2023/4/27
In this talk, we will discuss some recent progress on steady Navier-Stokes system in a channel, in particular, the problem posed by Leray on steady flows in channels. The existence and uniqueness of s...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Nonlinear structural stability and linear dynamic instability of transonic steady-states to a hydrodynamic model for semiconductors
跨音速稳态 非线性结构稳定性 线性动态不稳定性 半导体 流体动力学模型
2023/5/8
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^\infty-sm...
Efficient Relaxation Methods for High-Order Discretization of Steady Problems
Efficient Relaxation Methods High-Order Discretization Steady Problems
2015/7/3
We review the current status of solution methods for nonlinear systems arising from high-order discretization of steady compressible ow problems.
High-Order Numerical Algorithms for Steady and Unsteady Simulation of Viscous Compressible Flow with Shocks
Steady Unsteady Simulation
2015/6/18
Theoretical developments of flux reconstruction method
Unstructured high-order methods
The Flux Reconstruction approach
Energy Stable Flux Reconstruction schemes
Flux Reconstruction as Filtere...
Analysis of steady transonic isentropic flow in two dimensions
transonic isentropic flow aircraft affine transformation conformal mapping
2013/9/2
Firstly, this paper presents a new expression which changes the isentropic flow equation into Cauchy-Riemann quation, and the exact solution of subsonic flow around an arbitrary two dimensional body i...
Steady thermocapillary-buoyant convection in a shallow annular pool. Part 2: Two immiscible fluids
Thermocapillary-buoyant flow Asymptotic solution Shallow annular pool Two-layer system
2012/2/29
This work is devoted to the study of steady thermocapillary-buoyant convection in a system of two horizontal superimposed immiscible liquid layers filling a lateral heated thin annular pool. The gover...
EFFECTS OF OHMIC HEATING AND VISCOUS DISSIPATION ON STEADY MHD FLOW NEAR A STAGNATION POINT ON AN ISOTHERMAL STRETCHING SHEET
steady stagnation point stretching sheet
2009/10/14
Aim of the paper is to investigate effects of ohmic heating and viscous dissipation on steady flow of a viscous incompressible electrically conducting fluid in the presence of uniform transverse magne...
Steady Flow of an Oldroyd 4-Constant Fluid in a Corner Region Formed by Two Planes
Non-radial flow Oldroyd 4-constant fluid viscoelasticity circulating cells
2009/10/13
The analysis of the flow of a viscoelastic fluid near a corner point nds its application in the design of extrusion dies of technological importance. This paper discusses a problem of this type corre...
Steady Slow Flow of an Oldroyd 8-Constant Fluid in a Corner Region with a Moving Wall
Non-radial flow Oldroyd 8-constant fluid slow flow circulating cells
2009/10/13
Viscoelastic fluids have gained increasing importance recently in technological applications. They are considered more realistic when compared to Newtonian fluids in some situations where flow phenome...
Steady Flow of a Walter's B' Viscoelastic Fluid between a Porous Elliptic Plate and the Ground
Walter's viscoelastic fluid Porous elliptic plate Lift and drag
2009/10/12
Steady three-dimensional flow of a Walter's B' viscoelastic fluid between a porous elliptic plate and the ground was considered. From a practical point of view, this problem corresponds to fluid-cushi...
Steady Three-Dimensional Flow of a Walter's B' Fluid in a Vertical Channel
Walter's B0 fluid Vertical channel Viscoelasticity Injection
2009/10/12
Steady three-dimensional flow of a Walter's B0 fluid in a vertical channel was investigated. It is assumed that the fluid is injected into the channel through one side of the channel. The combined e e...
Steady Three-Dimensional Flow of a Second Grade Fluid towards a Stagnation Point at a Moving Flat Plate
Second grade fluid Stagnation point Viscoelasticity Boundary layer
2009/10/12
The problem considered here is the steady three-dimensional flow of a second grade fluid near the stagnation point of an infinite flat plate moving parallel to itself with constant velocity. The basic...
Importance of Buoyancy and Chemistry Modelling in Steady RANS Simulations of Well-Ventilated Tunnel Fires
Tunnel fire Critical ventilation velocity Buoyancy modelling Chemistry modelling Steady simulations
2009/10/10
Numerical CFD simulation results are presented for well-ventilated fires in horizontal tunnels. Simulations are performed in the framework of steady Reynolds-Averaged Navier-Stokes modelling. As a tur...
A reciprocal theorem for steady-state heat conduction problems
heat conduction reciprocal theorem steady-state thermal energy
2010/3/12
This paper presents a reciprocal theorem for steady-state heat conduction problems. Some examples illustrate the applications of the reciprocal relation formulated. The method applied is based on the ...