Search Results - Two-level and multigrid algorithm

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

Authors: ANTONIETTI, PAOLA FRANCESCA Houston, P. Hu, X. et al.

Source: Calcolo. 54:1169-1198

Subject Terms: 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

File Description: PDF; application/pdf

Access URL: 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

A Two-Level Multigrid Algorithm for Solving 3-D Quadratic Finite Element Models

Authors: Yoram Pressburger David A. Field Renato Perucchio

Source: ASME 1991 Computers in Engineering Conference: Volume 2 — Finite Elements/Computational Geometry; Computers in Education; Robotics and Controls. :61-69

Access URL: http://asmedigitalcollection.asme.org/IDETC-CIE/proceedings-pdf/doi/10.1115/CIE1991-0098/6683711/61_1_cie1991-0098.pdf

A modification of the two-level algorithm with overcorrection

Authors: Stanislav Míka Petr Vaněk

Source: Applications of Mathematics. 37:13-28

Subject Terms: Iterative numerical methods for linear systems, 0209 industrial biotechnology, Multigrid methods, domain decomposition for boundary value problems involving PDEs, convergence, two-level algorithm with overcorrection, efficiency, 4. Education, multigrid algorithm, 02 engineering and technology, 0101 mathematics, 7. Clean energy, 01 natural sciences

File Description: application/xml

Access URL: http://dml.cz/bitstream/handle/10338.dmlcz/104488/AplMat_37-1992-1_2.pdf
http://www.dml.cz/handle/10338.dmlcz/104488

Transport Acceleration Methods as Two-Level Multigrid Algorithms

Authors: Edward W. Larsen

Source: Operator Theory: Advances and Applications ISBN: 9783034856775

Access URL: 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

Two level algorithms for partitioned fluid–structure interaction computations

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

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

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

A Nonlinear Multigrid Solver for a Semi-Lagrangian Potential Vorticity-Based Shallow-Water Model on the Sphere: A nonlinear multigrid solver for a semi-Lagrangian potential vorticity-based shallow-water model on the sphere

Authors: John W. Ruge J. R. Bates Achi Brandt et al.

Source: SIAM Journal on Scientific Computing. 21:2381-2395

Subject Terms: Hydrology, hydrography, oceanography, Water waves, gravity waves, dispersion and scattering, nonlinear interaction, shallow-water equations on sphere, Multigrid methods, domain decomposition for initial value and initial-boundary value problems involving PDEs, potential vorticity, two-level method, extrapolation, semi-Lagrangian advection, multigrid algorithm, atmospheric modelling, 0101 mathematics, 01 natural sciences, Finite difference methods applied to problems in fluid mechanics

File Description: application/xml

Access URL: https://zbmath.org/1519829
https://doi.org/10.1137/s1064827595284841
https://epubs.siam.org/doi/abs/10.1137/S1064827595284841
http://www.osti.gov/scitech/servlets/purl/219592
https://dblp.uni-trier.de/db/journals/siamsc/siamsc21.html#RugeLMBB00

Fast multigrid solver

Authors: Petr Vaněk

Source: Applications of Mathematics. 40:1-20

Subject Terms: 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

File Description: application/xml

Access URL: 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

Agglomeration-based geometric multigrid schemes for the Virtual Element Method

Authors: Antonietti, Paola Francesca Berrone, Stefano Busetto, Martina et al.

Contributors: Antonietti, Paola Francesca Berrone, Stefano Busetto, Martina et al.

Subject Terms: geometric multigrid algorithm, agglomeration, virtual element method, elliptic problem, polygonal meshes

File Description: ELETTRONICO

Relation: info:eu-repo/semantics/altIdentifier/wos/WOS:000957674300009; volume:61; issue:1; firstpage:223; lastpage:249; numberofpages:27; journal:SIAM Journal on Numerical Analysis; https://hdl.handle.net/11583/2957287

Availability: https://hdl.handle.net/11583/2957287
https://doi.org/10.1137/21M1466864

Rigorous Quantitative Analysis of Multigrid, I: Constant Coefficients Two-Level Cycle with L 2 -Norm

Authors: Brandt, Achi

Source: SIAM Journal on Numerical Analysis, 1994 Dec 01. 31(6), 1695-1730.

Access URL: https://www.jstor.org/stable/2158373

An extrapolation full multigrid algorithm combined with fourth-order compact scheme for convection–diffusion equations

Authors: Ming Li Zhoushun Zheng Kejia Pan

Source: Advances in Difference Equations, Vol 2018, Iss 1, Pp 1-14 (2018)

Subject Terms: Extrapolation, Full multigrid method, Compact difference scheme, Convection–diffusion equation, Mathematics, QA1-939

File Description: electronic resource

Relation: http://link.springer.com/article/10.1186/s13662-018-1631-x; https://doaj.org/toc/1687-1847

Access URL: https://doaj.org/article/524574f06e7e49ea9d9535862f9425fa

A Multigrid Solver for PDE-Constrained Optimization with Uncertain Inputs.

Authors: Ciaramella, Gabriele Nobile, Fabio Vanzan, Tommaso

Source: Journal of Scientific Computing; Oct2024, Vol. 101 Issue 1, p1-31, 31p

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

Authors: Antonietti, P. Houston, P. Hu, X. et al.

Source: Calcolo; Dec2017, Vol. 54 Issue 4, p1169-1198, 30p

Subject Terms: ALGORITHMS, GALERKIN methods, POLYNOMIALS, NUMERICAL analysis, ALGEBRA

Two level algorithms for partitioned fluid-structure interaction computations

Authors: Bijl, H. (author) Van Zuijlen, A.H. (author) Bosscher, S. (author)

Index Terms: fluid-structure interaction, domain decomposition, partitioned coupling, multilevel techniques, conference paper, Text

URL: http://resolver.tudelft.nl/uuid:cb466783-d350-4b74-821b-40c4c6add71c
uuid:46ec530c-9fb3-4aa1-983f-ccebfb32d841

Multigrid Algorithm for Immersed Finite Element Discretizations of Elliptic Interface Problems.

Authors: Chu, Hanyu Song, Yongzhong Ji, Haifeng et al.

Source: Journal of Scientific Computing; Jan2024, Vol. 98 Issue 1, p1-35, 35p

An efficient extrapolation full multigrid method for elliptic problems in two and three dimensions.

Authors: Li, Ming Zheng, Zhoushun Pan, Kejia

Source: International Journal of Computer Mathematics. Jun2021, Vol. 98 Issue 6, p1183-1198. 16p.

Subject Terms: Extrapolation, Boundary value problems, Multigrid methods (Numerical analysis), Linear systems, Interpolation, Quadratic equations, Dimensions

A multigrid solver for PDE-constrained optimization with uncertain inputs

Authors: Ciaramella, Gabriele Nobile, Fabio Vanzan, Tommaso

Index Terms: Mathematics - Optimization and Control, Mathematics - Numerical Analysis, text

URL: http://arxiv.org/abs/2302.13680

Multigrid algorithm based on hybrid smoothers for variational and selective segmentation models.

Authors: Roberts, Michael Chen, Ke Irion, Klaus L.

Source: International Journal of Computer Mathematics; Aug2019, Vol. 96 Issue 8, p1623-1647, 25p

Subject Terms: MULTIGRID methods (Numerical analysis), PARTIAL differential equations, FOURIER analysis, IMAGE segmentation, ALGORITHMS

A modification of the two-level algorithm with overcorrection

Authors: Míka, Stanislav Vaněk, Petr

Subject Terms: keyword:two-level algorithm, keyword:overcorrection, keyword:multigrid algorithm, keyword:convergence, keyword:efficiency, msc:65F10, msc:65N55

File Description: application/pdf

Relation: mr:MR1152154; zbl:Zbl 0753.65028; reference:[1] R. Blaheta: A multilevel method with correction by aggregation for solving discrete elliptic problems.Apl. Mat. 31 (1986), 365-378. MR 0863032; reference:[2] R. Blaheta: Iterative methods for numerical solving of the boundary value problems of elasticity.Thesis, Ostrava, 1987.; reference:[3] S. Míka P. Vaněk: The acceleration of a two-level algebraic algorithm by aggregation in smoothing process.Appl. Mat., to appear.

Availability: http://hdl.handle.net/10338.dmlcz/104488

Multigrid algorithms for hp-version Interior Penalty Discontinuous Galerkin methods on polygonal and polyhedral meshes

Authors: Antonietti, P. F. Sarti, M. Verani, M. et al.

Subject Terms: 0101 mathematics, 01 natural sciences

File Description: application/pdf

Access URL: http://eprints.nottingham.ac.uk/29674/

Evaluation of the Capability of the Multigrid Method in Speeding Up the Convergence of Iterative Methods.

Authors: Harimi, Iman Saghafian, Mohsen

Source: ISRN Computational Mathematics; 2012, p1-5, 5p

Subject Terms: MULTIGRID methods (Numerical analysis), STOCHASTIC convergence, ITERATIVE methods (Mathematics), PERFORMANCE evaluation, PROBLEM solving, ALGORITHMS