搜索结果: 1-15 共查到“知识库 Navier-Stokes Equations”相关记录70条 . 查询时间(0.093 秒)
On the barotropic compressible Navier-Stokes equations
barotropic compressible Navier-Stokes equations
2015/10/15
We consider barotropic compressible Navier-Stokes equations with density dependent viscosity coefficients that vanish on vacuum. We prove the stability of weak solutions in periodic domain Ω = T...
Existence and uniqueness of global strong solutions for one-dimensional compressible Navier-Stokes equations
global strong solutions one-dimensional compressible Navier-Stokes equations
2015/10/15
We consider Navier-Stokes equations for compressible viscous fluids in one dimension. It is a well known fact that if the initial datum are smooth and the initial density is bounded by below by a posi...
A bound from below for the temperature in compressible Navier-Stokes equations
below for the temperature compressible Navier-Stokes equations
2015/10/15
We consider the full system of compressible Navier-Stokes equations for heat conducting fluid. We show that the temperature is uniformly positive for t ≥ t0 (for any t0 > 0) for any solutions with fin...
The Embedded Boundary Integral Method (EBI) for the Incompressible Navier-Stokes equations
Embedded Boundary Integral Method (EBI) Incompressible Navier Stokes equations
2015/7/15
We present a new method for the solution of the unsteady incompressible Navier-Stokes equations. Our goal is to achieve a robust and scalable methodology for two and three dimensional incompressible f...
A p-multigrid spectral difference method for two-dimensional unsteady incompressible Navier–Stokes equations
Spectral difference method Artifi cial compressibility method Dual time stepping p-Multigrid
2015/7/3
This paper presents the development of a 2D high-order solver with spectral difference method for unsteady incompressible Navier–Stokes equations accelerated by a p-multigrid method. This solver is de...
An Artificial Compressibility Method for the Spectral Difference Solution of Unsteady Incompressible Navier-Stokes Equations on Multiple Grids
cial Compressibility Method erence Solution Unsteady Incompressible Navier-Stokes Equations Multiple Grids
2015/7/3
This paper presents the development of a 2D high-order solver with unstructured spectral difference method for unsteady incompressible Navier-Stokes equations.
A High-Order Spectral Difference Method for the Navier-Stokes Equations on Unstructured Moving Deformable Grids
High-Order Spectral Diff erence Method Navier-Stokes Equations Unstructured Moving Deformable Grids
2015/7/3
In this paper the high-order accurate spectral difference method for the Navier-Stokes equations is applied to moving boundary problems. Boundary movements are achieved,firstly, through ri...
Nonlinear iterative solvers for unsteady Navier-Stokes equations
Nonlinear iterative solvers unsteady Navier-Stokes equations
2015/7/3
The application of nonlinear schemes like dual time stepping as preconditioners in matrix-free Newton-Krylov-solvers is considered and analyzed. We provide a novel formulation of the left precondition...
Efficient Algorithms for High-Order Discretizations of the Euler and Navier-Stokes Equations
Efficient Algorithms High-Order Discretizations Euler Navier-Stokes Equations
2015/7/2
Higher order discretizations have not been widely successful in industrial applications to compressible ow simulation. Among several reasons for this, one may identify the lack of tailor-suited, best-...
One-shot pseudo-time method for aerodynamic shape optimization using the Navier–Stokes equations
aerodynamic shape optimization simultaneous pseudo-time stepping Navier–Stokes equations
2015/7/2
This paper presents a numerical method for aerodynamic shape optimization problems in compressible viscous flow. It is based on simultaneous pseudo-time stepping in which stationary states are o...
A Spectral Difference Method for the Euler and Navier-Stokes Equations on Unstructured Meshes
Spectral Diff erence Method Euler Navier-Stokes Equations Unstructured Meshes
2015/7/2
This work focuses on the extension of the recently introduced Spectral Difference Method to viscous flow. The spectral difference method is a conservative pseudo-spectral scheme base...
Aero-Structural Wing Planform Optimization Using the Navier-Stokes Equations
Aero-Structural Planform Optimization Navier-Stokes Equations
2015/7/2
This paper describes the formulation of optimization techniques based on control theory for wing section and planform design in viscous compressible ow modeled by the Reynolds Averaged Navier-Stokes e...
Fast preconditioned multigrid solution of the Euler and Navier–Stokes equations for steady, compressible
Euler equations implicit methods lower–upper schemes multigrid methods
2015/7/2
New versions of implicit algorithms are developed for the ecient solution of the Euler and Navier Stokes equations of compressible ow. The methods are based on a preconditioned, lower-upper (LU) impl...
Application of a Non-Linear Frequency Domain Solver to the Euler and Navier-Stokes Equations
Application Non-Linear Frequency Domain Solver Euler Navier-Stokes Equations
2015/7/2
This paper presents a technique used to accelerate the convergence of unsteady flows to a periodic steady state. The basis of this procedure is to assume the time period of the solution’s oscill...
Optimum Aerodynamic Design Using the Navier–Stokes Equations
Optimum Aerodynamic Design Navier–Stokes Equations
2015/7/1
This paper describes the formulation of optimization techniques based on control theory for aerodynamic shape design in viscous compressible flow, modeled by the Navier–Stokes equations. It exte...