搜索结果: 1-9 共查到“计算机科学技术 Multigrid”相关记录9条 . 查询时间(0.015 秒)
Multicloud: Multigrid convergence with a meshless operator
Multigrid Meshless Meshfree Gridless Gridfree Radial basis functions Convergence rate
2015/7/3
The primary objective of this work is to develop and test a new convergence acceleration technique we call multicloud. Multicloud is well-founded in the mathematical basis of multigrid, but relies on ...
Monotonicity preserving multigrid time stepping schemes for conservation laws
Monotonicity preserving multigrid stepping schemes conservation laws
2015/7/2
In this paper, we propose monotonicity preserving and total variation diminishing (TVD) mul tigrid methods for solving scalar conservation laws. We generalize the upwind-biased residual restriction an...
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...
A Multigrid Method for High Speed Reactive Flows
Multigrid Method High Speed Reactive Flows
2015/7/1
This paper presents a multigrid method for computing inviscid and viscous high speed steady-state hydrogen/oxygen and hydrogen/air reactive flows.
Three-dimensional unsteady incompressible flow computations using multigrid
Three-dimensional unsteady incompressible flow computations multigrid
2015/7/1
We apply a robust and computationally efficient multigrid-driven algorithm for the simulation of time-dependent three-dimensional incompressible bluff body wakes at low Reynolds numbers (Re less than ...
Three-Dimensional Computations of Time-Dependent Incompressible Flows with an Implicit Multigrid-Driven Algorithm on Parallel Computers
Three-Dimensional Computations Time-Dependent Incompressible Flows Implicit Multigrid-Driven Algorithm Parallel Computers
2015/7/1
The present work is aimed at the development of a robust, computationally efficient algorithm for the simulation of unsteady incompressible flows of interest in engineering. In particular, we focus on...
EFFECT OF ARTIFICIAL DIFFUSION SCHEMES ON MULTIGRID CONVERGENCE
EFFECT ARTIFICIAL DIFFUSION SCHEMES MULTIGRID CONVERGENCE
2015/7/1
The effect of artificial diffusion schemes on the convergence of an implicit method is investi-gated. A multigrid code using a symmetric lim-ited positive scheme in conjunction with a lower-upper symm...
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...
Multigrid Navier-Stokes Calculations for Three-Dimensional Cascades
Multigrid Navier-Stokes Calculations Three-Dimensional Cascades
2015/7/1
A vertex-based finite volume method for solving the three-dimensional compressible Reynolds-averaged Navier-Stokes equations is presented for calculating turbomachinery cascade flows. A discretization...