Preconditioning by approximations of the discrete Laplacian for 2‐D non‐linear free convection elliptic equations

DOI10.1108/09615539910276863zbMath0990.76060OpenAlexW2057236953MaRDI QIDQ4952209

Gheorghe Juncu

Publication date: 14 August 2002

Published in: International Journal of Numerical Methods for Heat & Fluid Flow (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1108/09615539910276863

zbMATH Keywords

Newton methodmultigrid algorithmdiscrete Laplace operatorCholesky algorithmsecond-order accurate finite difference schemedouble iterative processnonlinear free convection elliptic equationspreconditioned generalized conjugate gradient methods

Mathematics Subject Classification ID

Flows in porous media; filtration; seepage (76S05) Finite difference methods applied to problems in fluid mechanics (76M20) Free convection (76R10)

Related Items (2)

Numerical experiments with MG continuation algorithms ⋮ Preconditioning by gram matrix approximation for diffusion-convection-reaction equations with discontinuous coefficients

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