Výsledky vyhledávání - "V-cycle multigrid algorithm"

V-cycle Multigrid Algorithms for Discontinuous Galerkin Methods on Non-nested Polytopic Meshes Autor Antonietti, P. F., Pennesi, G.

“…In this paper we analyze the convergence properties of V -cycle multigrid algorithms for the numerical solution of the linear system of equations stemming from discontinuous Galerkin discretization…”
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Uniform Convergence of V-cycle Multigrid Algorithms for Two-Dimensional Fractional Feynman–Kac Equation Autor Chen, Minghua, Deng, Weihua, Serra-Capizzano, Stefano

“…When solving large linear systems stemming from the approximation of elliptic partial differential equations (PDEs), it is known that the V-cycle multigrid…”
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A simplified new multigrid algorithm of lattice Boltzmann method for steady states Autor An, Bo, Bergadà, J.M., Sang, W.M.

“… Based on the popular V-cycle multigrid algorithm, a simplified multigrid algorithm is presented and validated through the simulations of the classic lid-driven cavity flow for steady states…”
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V-cycle multigrid algorithms for discontinuous Galerkin methods on non-nested polytopic meshes Autor Antonietti, P F, Pennesi, G

“…In this paper we analyse the convergence properties of V-cycle multigrid algorithms for the numerical solution of the linear system of equations arising from discontinuous Galerkin discretization…”
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Uniform convergence of V-cycle multigrid algorithms for two-dimensional fractional Feynman-Kac equation Autor Chen, Minghua, Deng, Weihua, Serra-Capizzano, Stefano

“…In this paper we derive new uniform convergence estimates for the V-cycle MGM applied to symmetric positive definite Toeplitz block tridiagonal matrices, by…”
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Analysis of V-Cycle Multigrid Algorithms for Forms Defined by Numerical Quadrature Autor Bramble, J. H., Goldstein, C. I., Pasciak, J. E.

“…The authors describe and analyze certain V-cycle multigrid algorithms with forms defined by numerical quadrature applied to the approximation of symmetric second-order elliptic boundary value problems…”
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A convergent multigrid cycle for the hybridized mixed method Autor Gopalakrishnan, Jayadeep, Tan, Shuguang

“…We consider the application of a variable V‐cycle multigrid algorithm for the hybridized mixed method for second…”
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Multilevel methods for Wilson element approximation of elasticity problem Autor Xu, Xuejun

“…In this paper, a multilevel preconditioner and a V-cycle multigrid algorithm are presented for Wilson nonconforming element approximation of elasticity problem…”
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Multigrid algorithm for the cell-centered finite difference method II: discontinuous coefficient case Autor Kwak, Do Y., Lee, Jun S.

“…We consider a multigrid algorithm for the cell centered finite difference scheme with a prolongation operator depending on the diffusion coefficient. This…”
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V -Cycle Multigrid for Cell-Centered Finite Differences Autor Kwak, Do Y.

“…We introduce and analyze a V-cycle multigrid algorithm for cell-centered finite difference methods applied to second-order elliptic boundary value problems…”
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Convergence estimates for multigrid algorithms Autor Kang, K.S., Kwak, D.Y.

“… Under these weaker assumptions, we show that the convergence factor of V-cycle multigrid algorithm is δ = 1 − 1 (C(j − 1…”
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Analysis of Multigrid Algorithms on Massively Parallel Computers: Architectural Implications Autor Matheson, Lesley R., Tarjan, Robert E.

“… We consider the domain parallel version of the standard V-cycle multigrid algorithm on model problems, discretized using finite difference techniques in two and three dimensions on block-structured…”
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Semi-Coarsening Multigrid And Algebraic Multigrid for z-Level Grids Autor Ram, Anjali

“… V-cycle multigrid algorithm is used to solve the problem. The discretization of three-dimensional, nonlinear, nonhydrostatic Navier-Stokes equation in SUNTANS…”
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Iterative solvers for hybridized finite element methods Autor Tan, Shuguang

“…We consider the application of a variable V-cycle multigrid algorithm for the hybridized mixed method for second order elliptic boundary value problems…”
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Preconditioning of discontinuous Galerkin methods for second order elliptic problems Autor Dobrev, Veselin Asenov

“… In the case when continuous coarse spaces are used, we prove that a variable V-cycle multigrid algorithm is a uniform preconditioner…”
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Smoothers, mesh dependent norms, interpolation and multigrid Autor Brenner, Susanne C.

“… These estimates are useful in the additive approach to the convergence of V-cycle multigrid algorithms and lead to results on the asymptotic behavior of the contraction numbers with respect…”
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Multigrid algorithms for a vertex-centered covolume method for elliptic problems Autor Chou, So-Hsiang, Kwak, Do Y.

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V-cycle multigrid methods for Wilson nonconforming element Autor Shi, Zhongci, Xu, Xuejun

“…O4; Here two types of optimal V-cycle multigrid algorithms are presented for Wilson nonconforming finite element…”
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Agglomeration-based geometric multigrid schemes for the Virtual Element Method Autor Antonietti, Paola Francesca, Berrone, Stefano, Busetto, Martina, Verani, Marco

“… We prove the uniform convergence of the two-level method with respect to the mesh size and the uniform convergence of the W-cycle and the V-cycle multigrid algorithms with respect to the mesh size…”
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Simulation of viscous fluid flows using a control volume finite element-multigrid method Autor Wang, Chuan

“…The formulation and implementation of an equal-order colocated control volume finite element-multigrid (CVFE-MG) method for steady, two-dimensional, viscous…”
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