Smoothed aggregation multigrid for the discontinuous Galerkin method. (English) Zbl 1200.35059

Prill, Florian; Lukáčová-Medvidová, Maria; Hartmann, Ralf

SIAM J. Sci. Comput. 31, No. 5, 3503-3528 (2009).

MSC:

35J05	Laplace operator, Helmholtz equation (reduced wave equation), Poisson equation
35J25	Boundary value problems for second-order elliptic equations
35Q30	Navier-Stokes equations
65F10	Iterative numerical methods for linear systems
65M22	Numerical solution of discretized equations for initial value and initial-boundary value problems involving PDEs
65M55	Multigrid methods; domain decomposition for initial value and initial-boundary value problems involving PDEs
65N30	Finite element, Rayleigh-Ritz and Galerkin methods for boundary value problems involving PDEs
65N35	Spectral, collocation and related methods for boundary value problems involving PDEs

Keywords:

discontinuous Galerkin method; multigrid method; advection-diffusion equation; Navier-Stokes equations

Citations:

Zbl 0992.65139; Zbl 0851.65087

Software:

deal.ii