Fast iterative solvers for buoyancy driven flow problems

doi:10.1016/j.jcp.2011.02.014

2011-05-01

Howard C. Elman *

Milan Mihajlović

David J. Silvester

DOI：10.1016/j.jcp.2011.02.014

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摘要

En 中文

We outline a new class of robust and efficient methods for solving the Navier-Stokes equations with a Boussinesq model for buoyancy driven flow. We describe a general solution strategy that has two basic building blocks: an implicit time integrator using a stabilized trapezoid rule with an explicit Adams-Bashforth method for error control, and a robust Krylov subspace solver for the spatially discretized system. We present numerical experiments illustrating the efficiency of the chosen preconditioning schemes with respect to the discretization parameters. (C) 2011 Elsevier Inc. All rights reserved.

Keyword:

Navier-Stokes

Boussinesq

Finite element approximation

Time stepping

Adaptivity

Preconditioning

Algebraic multigrid

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期刊

Journal of Computational Physics

IF:

3.8

论文数:

1.6W

被引数:

7.4W

机构

University System of Maryland

学者数:

6.4W

论文数: 5.6W

被引数: 113

University of Manchester

学者数:

5.7W

论文数: 5.3W

被引数: 7.4W

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