n)foriCycleinrange(0,nCycle):vh=Weighted_Jacobi(vh,fh,n,3,omega)rh=CalcResidual(vh,fh,n)f2h=Restrict(rh,int(n/2))v2h=np.zeros(int(n/2)+1)v2h=Weighted_Jacobi(v2
linspace(0, nCycle-1, nCycle) ax.set_yscale("log", base=10) ax.plot(ii,mg.res,color='black',linewidth=2,linestyle='solid',marker='none',markerfacecolor='none',label='res') plt.tight_layout() plt.show() windows11+powershell PS D:\github\OneFLOW\example\2d-poisson\multigrid\03> ...
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.
在前面的基础上: 迦非喵:2d+Poisson Equation+multigrid+V-Cycle Scheme (level 3)简单测试这里继续重构: 参考: Textbook: A Multigrid Tutorial, Second Edition , by Briggs, Henson & McCormick及 CFD …
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 ...
OnV-cyclemultigridimplementationforplate elements XuejunXu InstituteofComputationalMathematics,ChineseAcademyofSciences,P.O.Box2719, Beijing100080,People'sRepublicofChina Abstract InthispaperanoptimalV-cyclemultigridmethodispresentedforthenoncon- formingelementapproximationoftheplatebendingproblemdoesnotneedfullelliptic...
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
3) V-cycle V循环 1. 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。
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 multigrid method is presented for the TRUNC plate element. The uniform convergence rate independent of mesh sizes and levels is established. The method is extended to Bergan's energy-orthogonal plate element....