Výsledky vyhledávání - Two-level and multigrid algorithms*

A two-level overlapping Schwarz preconditioner for discontinuous Galerkin methods

Autoři: Calvo, Juan G. Solano, Moisés

Zdroj: Revista de Matemática: Teoría y Aplicaciones. 32:15-33

Témata: Iterative numerical methods for linear systems, domain decomposition, discontinuous Galerkin methods, nodal elliptic problems, Multigrid methods, domain decomposition for boundary value problems involving PDEs, Preconditioners for iterative methods, irregular subdomain boundaries, Finite element, Rayleigh-Ritz and Galerkin methods for boundary value problems involving PDEs, overlapping Schwarz algorithms

Popis souboru: application/xml

Multigrid algorithms for $$\varvec{hp}$$ h p -version interior penalty discontinuous Galerkin methods on polygonal and polyhedral meshes

Autoři: ANTONIETTI, PAOLA FRANCESCA Houston, P. Hu, X. a další

Zdroj: Calcolo. 54:1169-1198

Témata: FOS: Mathematics, hp-discontinuous Galerkin methods, Polygonal/polyhedral grids, Two-level and multigrid algorithms, Mathematics - Numerical Analysis, Numerical Analysis (math.NA), 0101 mathematics, hp-discontinuous Galerkin methods, Polygonal/polyhedral grids, Two-level and multigrid algorithms, Algebra and Number Theory, Computational Mathematics, 01 natural sciences

Popis souboru: PDF; application/pdf

Přístupová URL adresa: https://nottingham-repository.worktribe.com/preview/859128/AntHouHuSarVer_CALCOLO_revised_new.pdf
http://arxiv.org/abs/1412.0913
https://nottingham-repository.worktribe.com/file/859114/1/AntHouHuSarVer_CALCOLO_revised_new.pdf
https://re.public.polimi.it/handle/11311/1033278
https://link.springer.com/article/10.1007/s10092-017-0223-6
https://dl.acm.org/doi/abs/10.5555/3169140.3169161
http://eprints.nottingham.ac.uk/29674/
https://nottingham-repository.worktribe.com/output/859114

Transport Acceleration Methods as Two-Level Multigrid Algorithms

Autoři: Edward W. Larsen

Zdroj: Operator Theory: Advances and Applications ISBN: 9783034856775

Přístupová URL adresa: https://rd.springer.com/chapter/10.1007/978-3-0348-5675-1_4
https://link.springer.com/chapter/10.1007/978-3-0348-5675-1_4

A multigrid-reduction-in-time solver with a new two-level convergence for unsteady fractional Laplacian problems.

Autoři: Yue, Xiaoqiang Pan, Kejia Zhou, Jie a další

Zdroj: Computers & Mathematics with Applications. May2021, Vol. 89, p57-67. 11p.

Témata: *MULTIGRID methods (Numerical analysis), *EIGENVALUES, *ALGORITHMS, *MOTIVATION (Psychology), *FORECASTING

An Additive Standpoint in Parallel Two-Level Multigrid Algorithms

Autoři: Koobus, Bruno Lallemand, Marie-Hélène Inria, Rapport De Recherche

Přispěvatelé: Koobus, Bruno Lallemand, Marie-Hélène Inria, Rapport De Recherche

Témata: [INFO.INFO-OH] Computer Science [cs]/Other [cs.OH], RESIDUAL SPLITTING, DIFFUSION EQUATION, ADDITIVE MULTIGRID METHODS, CORRECTION FILTERING, ADVECTION EQUATION, NUMERICAL ANALYSIS

Popis souboru: application/pdf

Přístupová URL adresa: https://inria.hal.science/inria-00074362v1

Generalizing reduction‐based algebraic multigrid.

Autoři: Zaman, Tareq Nytko, Nicolas Taghibakhshi, Ali a další

Zdroj: Numerical Linear Algebra with Applications; May2024, Vol. 31 Issue 3, p1-25, 25p

Témata: MULTIGRID methods (Numerical analysis), SYMMETRIC matrices, GRAPH algorithms, HEURISTIC algorithms, DEGREES of freedom, LINEAR systems

A Scalable Two-Level Domain Decomposition Eigensolver for Periodic Schrödinger Eigenstates in Anisotropically Expanding Domains: A scalable two-level domain decomposition eigensolver for periodic Schrödinger eigenstates in anisotropically expanding domains

Autoři: Lambert Theisen Benjamin Stamm

Zdroj: SIAM Journal on Scientific Computing. 46:A3067-A3093

Témata: Numerical computation of eigenvalues and eigenvectors of matrices, FOS: Computer and information sciences, Numerical methods for eigenvalue problems for boundary value problems involving PDEs, Iterative numerical methods for linear systems, Multigrid methods, domain decomposition for boundary value problems involving PDEs, finite element method, Schrödinger equation, Numerical Analysis (math.NA), Finite element, Rayleigh-Ritz and Galerkin methods for boundary value problems involving PDEs, Numerical solution of discretized equations for boundary value problems involving PDEs, coarse spaces, Computational Engineering, Finance, and Science (cs.CE), domain decomposition, preconditioning, FOS: Mathematics, iterative methods, 65N25, 65F15, 65N30, 65F10, 65N22, 65N55, 65F08, Preconditioners for iterative methods, Mathematics - Numerical Analysis, Computer Science - Computational Engineering, Finance, and Science

Popis souboru: application/xml

Přístupová URL adresa: http://arxiv.org/abs/2311.08757

Agglomeration-Based Geometric Multigrid Schemes for the Virtual Element Method

Autoři: Antonietti P. F. Berrone S. Busetto M. a další

Zdroj: SIAM Journal on Numerical Analysis. 61:223-249

Témata: agglomeration, virtual element method, FOS: Mathematics, elliptic problems, geometric multigrid algorithms, polygonal meshes, Mathematics - Numerical Analysis, Numerical Analysis (math.NA), 0101 mathematics, 01 natural sciences

Popis souboru: application/pdf

Přístupová URL adresa: http://arxiv.org/abs/2112.11080

TWO-LEVEL CONVERGENCE THEORY FOR MULTIGRID REDUCTION IN TIME (MGRIT).

Autoři: DOBREV, V. A. KOLEV, T. Z. PETERSSON, N. A. a další

Zdroj: SIAM Journal on Scientific Computing. 2017, Vol. 39 Issue 5, pS501-S527. 27p.

Témata: *APPROXIMATION algorithms, *COMPUTER simulation

Two level algorithms for partitioned fluid–structure interaction computations

Autoři: van Zuijlen, A.H. Bosscher, S. Bijl, H.

Zdroj: Computer Methods in Applied Mechanics & Engineering. Jan2007, Vol. 196 Issue 8, p1458-1470. 13p.

Témata: *MULTIGRID methods (Numerical analysis), *STRUCTURAL engineering, *ALGORITHMS, *RUNGE-Kutta formulas

An Additive Standpoint in Parallel Two-Level Multigrid Algorithms

Autoři: Marie-helene Lallemand Marie-Hélène LALLEMAND Calcul Scientifique a další

Přispěvatelé: Marie-helene Lallemand Marie-Hélène LALLEMAND Calcul Scientifique a další

Zdroj: ftp://ftp.inria.fr/INRIA/publication/publi-ps-gz/RR/RR-2311.ps.gz

Témata: Key-words, Additive Multigrid Methods, Residual Splitting, Correction Filtering, Diffusion Equation, Advection Equation, Numerical Analysis (R'esum'e, tsvp

Popis souboru: application/postscript

Relation: http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.35.7639

Dostupnost: http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.35.7639

parallel two level schwarz methods for singularly perturbed elliptic problems: Parallel two-level Schwarz methods for singularly perturbed elliptic problems

Autoři: V. Sirotkin P. Tarvainen

Zdroj: Numerical Algorithms. 22(2):129-156

Témata: Multigrid methods, domain decomposition for boundary value problems involving PDEs, convergence, Nonlinear boundary value problems for linear elliptic equations, Numerical computation of solutions to systems of equations, elliptic equations, Parallel numerical computation, parallel computation, algorithms, singular perturbation, Singular perturbations in context of PDEs, domain decomposition methods, two-level Schwarz methods

Popis souboru: application/xml

Přístupová URL adresa: https://zbmath.org/1416238
https://doi.org/10.1023/a:1019102723038
http://ui.adsabs.harvard.edu/abs/1999NuAlg..22..129S/abstract
https://link.springer.com/article/10.1023%2FA%3A1019102723038

CRATOS-GS: A free-boundary, hierarchical adaptive mesh refinement Grad–Shafranov solver.

Autoři: Farmakalides, A. Nikiforakis, N. Millmore, S. a další

Zdroj: AIP Advances; Sep2025, Vol. 15 Issue 9, p1-22, 22p

Témata: PLASMA equilibrium, MAGNETOHYDRODYNAMICS, ITERATIVE methods (Mathematics), MULTIGRID methods (Numerical analysis), OPTIMIZATION algorithms, ROTATIONAL motion

ASYNCHRONOUS TRUNCATED MULTIGRID-REDUCTION-IN-TIME.

Autoři: HAHNE, JENS SOUTHWORTH, BEN S. FRIEDHOFF, STEPHANIE

Zdroj: SIAM Journal on Scientific Computing; 2023, Vol. 45 Issue 3, pS281-S306, 26p

Témata: MULTIGRID methods (Numerical analysis), NONLINEAR equations, ALGORITHMS

Fast multigrid solver

Autoři: Petr Vaněk

Zdroj: Applications of Mathematics. 40:1-20

Témata: Iterative numerical methods for linear systems, Multigrid methods, domain decomposition for boundary value problems involving PDEs, convergence, aggregation of unknowns, 4. Education, smoothing, overcorrection, 01 natural sciences, Boundary value problems for second-order elliptic equations, Packaged methods for numerical algorithms, multigrid algorithm, 0101 mathematics, numerical experiments, performance, two-level algorithm

Popis souboru: application/xml

Přístupová URL adresa: http://dml.cz/bitstream/handle/10338.dmlcz/134274/AplMat_40-1995-1_1.pdf
https://zbmath.org/762070
https://doi.org/10.21136/am.1995.134274
https://eudml.org/doc/32899

Exploiting mesh structure to improve multigrid performance for saddle-point problems.

Autoři: Spies, Lukas Olson, Luke MacLachlan, Scott

Zdroj: International Journal of High Performance Computing Applications; Mar2025, Vol. 39 Issue 2, p211-229, 19p

Témata: STOKES equations, MODERN architecture, ARITHMETIC, ALGORITHMS, LITERATURE

A two-level domain decomposition method for the iterative solution of high frequency exterior Helmholtz problems

Autoři: Michel Lesoinne Charbel Farhat Antonini Macedo

Zdroj: Numerische Mathematik. 85:283-308

Témata: Iterative numerical methods for linear systems, numerical examples, Multigrid methods, domain decomposition for boundary value problems involving PDEs, Laplace operator, Helmholtz equation (reduced wave equation), Poisson equation, sound-soft acoustic scattering, high-frequency exterior Helmholtz problems, finite element method, Hydro- and aero-acoustics, Finite element, Rayleigh-Ritz and Galerkin methods for boundary value problems involving PDEs, 01 natural sciences, Complexity and performance of numerical algorithms, nonoverlapping domain decomposition algorithms, iterative methods, Helmholtz equation, 0101 mathematics, finite element tearing and interconnecting method, scalability, performance, Finite element methods applied to problems in fluid mechanics

Popis souboru: application/xml

Přístupová URL adresa: https://zbmath.org/1455844
https://doi.org/10.1007/s002110000147

MONOLITHIC ALGEBRAIC MULTIGRID PRECONDITIONERS FOR THE STOKES EQUATIONS.

Autoři: VORONIN, ALEXEY MACLACHLAN, SCOTT OLSON, LUKE N. a další

Zdroj: SIAM Journal on Scientific Computing; 2025, Vol. 47 Issue 1, pA343-A373, 31p

Témata: INTERPOLATION, FACTORIZATION, VELOCITY, ALGORITHMS, STORAGE

MULTILEVEL CONVERGENCE ANALYSIS OF MULTIGRID-REDUCTION-IN-TIME.

Autoři: HESSENTHALER, ANDREAS SOUTHWORTH, BEN S. NORDSLETTEN, DAVID a další

Zdroj: SIAM Journal on Scientific Computing; 2020, Vol. 42 Issue 2, pA771-A796, 26p

Témata: OPERATOR functions, ALGORITHMS, WAVE equation, HEAT equation, MULTIGRID methods (Numerical analysis), HYPERBOLIC differential equations, EIGENVALUES

FAULT-TOLERANT PARALLEL MULTIGRID METHOD ON UNSTRUCTURED ADAPTIVE MESH.

Autoři: FUNG, FREDERICK STALS, LINDA QUANLING DENG

Zdroj: SIAM Journal on Scientific Computing; 2024, Vol. 46 Issue 5, pS145-S169, 25p

Témata: FAULT tolerance (Engineering), ENERGY consumption, ALGORITHMS