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A Conservative Meshless Scheme: General Order Formulation and Application to Euler Equations
Conservative Meshless Scheme General Order Formulation Application Euler Equations
2015/7/3
In this paper, we present a mesh-free, finite-volume-like scheme designed for numerically solving conservation laws. We first derive a conservative formulation for computing mesh-free @...
A hybrid multilevel method for high-order discretization of the Euler equations on unstructured meshes
Multigrid methods Newton–Krylov methods Euler equations
2015/7/3
Higher order discretization has not been widely successful in industrial applications to compressible flow simulation. Among several reasons for this, one may identify the lack of tailor-suited,...
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-...
Spectral Difference Method for Unstructured Grids II: Extension to the Euler Equations
High-order conservation laws unstructured grids spectral difference spectral collocation method Euler equations.
2015/7/2
An efficient, high-order, conservative method named the spectral difference method has been developed recently for conservation laws on unstructured grids. It combines the best features of struc...
StreamFLO:an Euler solver for streaming architectures
StreamFLO Euler solver streaming architectures
2015/7/2
The Computer Systems Laboratory at Stanford University in collaboration with the Center for Integrated Turbulence Simulation is developing “Merrimac”, a new high performance computer system, based on ...
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...
How Many Steps are Required to Solve the Euler Equations of Steady,Compressible Flow:In Search of a Fast Solution Algorithm
Euler Equations Compressible Flow:Search Fast Solution Algorithm
2015/7/2
New versions of implicit algorithms are proposed for the efficient solution of the Euler equations of com pressible flow. The methods are based on a pre conditioned, Lower-Upper (LU) implem...
Cascade Flow Calculations by a Multigrid Euler Method
Cascade Flow Calculations Multigrid Euler Method
2015/7/1
An explicit finite-volume method for the Euler equations with multigrid is presented for calculating cascade flows. The method is validated against theoretical test cases of the Hobson shock-free impu...
线性四元树表示二值图像的围线追踪和Euler数的计算
2007/12/28
本文将基于边过程的围线追踪算法推广应用于四元树表示的二值图像,给出了一个对线性四元树表示二值图像实现围线追踪的算法.算法利用输入的四分形编码确定四分形左上及右下角处象素的位置坐标,由此确定图像中的所有非零边过程,再进行基于边过程的围线追踪.算法求得围线的树结构, 表达了图像的拓扑性质,利用围线的树结构给出了一个计算图像的Euler数的非常简便的方法.