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- W2364863674 abstract "The basic principle of p-multigrid method is that it uses the low-order scheme's high dissipation property to improve the weakness of low convergence rate,at the same time it guarantees the high-order accuracy of the solution.The p-multigrid method presented in this paper,is constructed by the fifth order finite differenc scheme——WCNS-E-5,the first order upwind scheme and the third order weighted scheme.During the iterative process the three different schemes are applied to construct the V-circle,W-circle,S-circle,Pre_V circle and FMG.The typical cases are calculated by the different circles to investigate the influence on the convergence rate.The primary numerical results indicate that when the appropriate circles are used,the p-multigrid method designed in this paper can accelerate the convergence rate,and at the same time guarantee the solution as the same as the fifth order finite difference scheme,WCNS-E-5." @default.
- W2364863674 created "2016-06-24" @default.
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- W2364863674 date "2012-01-01" @default.
- W2364863674 modified "2023-09-23" @default.
- W2364863674 title "P-multigrid method based on the fifth order scheme WCNS-E-5" @default.
- W2364863674 hasPublicationYear "2012" @default.
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