Decoupled two‐grid finite element method for the time‐dependent natural convection problem I: Spatial discretization

DOI10.1002/num.21987zbMath1336.65172OpenAlexW1586538875MaRDI QIDQ3459255

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Publication date: 21 December 2015

Published in: Numerical Methods for Partial Differential Equations (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1002/num.21987

zbMATH Keywords

error estimateslinearizationGalerkin finite element methodnumerical experimentNavier-Stokes problemtwo-grid methodcoupled algorithmdecoupled algorithmnatural convection equations

Mathematics Subject Classification ID

Initial-boundary value problems for second-order parabolic equations (35K20) Navier-Stokes equations (35Q30) Finite element, Rayleigh-Ritz and Galerkin methods for initial value and initial-boundary value problems involving PDEs (65M60) Error bounds for initial value and initial-boundary value problems involving PDEs (65M15) Multigrid methods; domain decomposition for initial value and initial-boundary value problems involving PDEs (65M55)

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