An extrapolation accelerated multiscale Newton-MG method for fourth-order compact discretizations of semilinear Poisson equations

An extrapolation accelerated multiscale Newton-multigrid (EMNMG) method is proposed to solve two-dimensional semilinear Poisson equations. The nine-point fourth-order compact schemes are used to approximate the nonlinear Poisson equations. In order to accelerate Newton-MG method for calculating the...

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Vydané v:	Computers & mathematics with applications (1987) Ročník 113; s. 189 - 197
Hlavní autori:	Hu, Hongling, Li, Ming, Pan, Kejia, Wu, Pinxia
Médium:	Journal Article
Jazyk:	English
Vydavateľské údaje:	Oxford Elsevier Ltd 01.05.2022 Elsevier BV
Predmet:	Algorithms Discretization Extrapolation Finite difference method Fourth-order compact scheme Interpolation Multigrid algorithm Nonlinear term Poisson equation Polynomials Extrapolation Poisson equation Fourth-order compact scheme Nonlinear term Multigrid algorithm
ISSN:	0898-1221, 1873-7668
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