# multigrid

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## multigrid

(ˈmʌltɪˌɡrɪd)
(Mathematics) (in numerical analysis) relating to algorithms which are used to solve differential equations: multigrid methods.
References in periodicals archive ?
The Robust Multigrid Technique: For Black-Box Software
extended this method for three-dimensional flows and incorporated it with multigrid techniques [8].
Hoppe, "Streaming multigrid for gradient-domain operations on large images," ACM Trans.
An Algebraic Multigrid (AMG) method was employed using a V cycle for the momentum equations and a flex cycle for the turbulence quantities.
and Coauthors, 2013: A multigrid wave forecasting model: A new paradigm in operational wave forecasting.
Five of these algorithms have been popularized over the past 60 years (roughly one per decade), including the Fast Fourier Transform; the Multigrid method; the Fast Multipole method; Sparse Grids; and Hierarchically Low-rank Matrix methods (or H-matrices).
Most applied work on Laplacian solvers has been on preconditioned conjugate gradient (PCG) solvers, including support graph preconditioners [4, 5, 13], or on specialized multigrid methods [20, 21].
It is not immediately obvious that the WR approach allows across-time parallelism in the same way that parareal [32] and parabolic multigrid [26] do.
Mavriplis, "Formulation and multigrid solution of the discrete adjoint problem on unstructured meshes," in Computational Fluid Dynamics 2004: Proceedings of the Third International Conference on Computational Fluid Dynamics, ICCFD3, Toronto, 12-16 July 2004, pp.
Vuik, "A novel multigrid based preconditioner for heterogeneous Helmholtz problems," SIAM Journal on Scientific Computing, vol.
Finally multigrid method with fourth order compact difference scheme is compared with the standard second order central difference scheme.
Farm, J, Martinelli, L, Jameson, A, "Fast Multigrid Method for Solving Incompressible Hydrodynamic Problems with Free Surfaces.
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