Textbook:A Multigrid Tutorial, Second Edition , by Briggs, Henson & McCormick 有: 代码为testprj.py: import numpy as np import matplotlib.pyplot as plt def Weighted_Jacobi(v, f, n, niter, omega): v2 = v.copy() a = 0.5 * omega b = 1.0 - omega c = a d = a for iter in range...
PS D:\github\OneFLOW\example\2d-poisson\multigrid\03> py.exe .\testprj.py n= 64 0 54.97197646484784 1.0 0 38.50917460512558 0.7005237410328606 1 9.092322818240778 0.16539923435452458 2 2.1339638296289345 0.038819121429870915 3 0.5422957633180903 0.009864949346779709 4 0.16554307240367305 0.0030114084129671155 5 0.057039...
V-Cycle Multigrid for cell-centered Finite Differences. SIAM J. Sci. Comput., 21(2):552-564, 1999.Kwak, D.Y.: V-cycle multigrid for cell-centered finite differences. SIAM J. SCI. COMPUT., Vol.21, No.2, pp.552-564. 1999.
V—Cyclemultigridalgorithms. §l引言 由于有限体积法的简单性和局部守恒的特性,使得在对偏微分方程进行 离散时,尤其是在处理物理学上的由质量、时闭、或能量的守恒定律而得出 的方程时,有限体积法是非常有效和常见的(例如:18][13][18][19]122])在 ...
V-cyclemultigridmethodforthenonconformingplateelementslikeMorley elementandAdinielement,whichareveryecientforsolvingtheplate bendingproblem.WeusePowell±Sabin(PS)orBonger±Fox±Schmitcon- AppliedMathematicsandComputation125(2002)141±153 .elsevier/locate/amc E-mailaddress:xxj@lsec.cc.ac(X.Xu). 0096-...
网络V循环多层网格法 网络释义 1. V循环多层网格法 多重网格方法V循环,multi... ... )V-cycle multi-grid methodV循环多层网格法) W-cycle multigrid method W-循环多重网格法 ... www.dictall.com|基于2个网页
Section 5 gives the uniform convergence rate of the V-cycle multigrid algorithm. In Section 6, we extend the method to Adini nonconforming plate element. In Section 7, we give some numerical tests. Access through your organization Check access to the full text by signing in through your ...
A V-cycle multigrid method for TRUNC plate elementTheoretical or Mathematical/ convergence of numerical methodsdifferential equationsfinite element analysismechanical engineering computing/ optimal V-cycle multigrid methodTRUNC plate elementuniform convergence rate...
mesh generation/ V-cycle multigrid methodcell centered finite difference schemetriangular meshesprolongation operatordiffusion equation/ C4260 Computational geometry C4170 Differential equations (numerical analysis)We consider a multigrid algorithm (MG) for the cell centered finite difference scheme (CCFD) on...
In this paper, an optimal V-cycle muligrid method is presented for Q1 nonconforming element. n非协调元的V循环多重网格法。 2. Meanwhile, a variable V-cycle multigrid algorithm is presented, . 同时,给出一种可变的V循环多重网格算法,得到一个条件数一致有界的预条件子。4...