Výsledky vyhledávání - Two-grid preconditioned conjugate gradient algorithm*

An Efficient GPU Solver for Maximizing Fundamental Eigenfrequency in Large-Scale Three-Dimensional Topology Optimization.

Autoři: Qi, Tianyuan Zhao, Junpeng Wang, Chunjie

Zdroj: Computer Modeling in Engineering & Sciences (CMES); 2025, Vol. 145 Issue 1, p127-151, 25p

Témata: EIGENFREQUENCIES, STRUCTURAL optimization, ITERATIVE methods (Mathematics), SENSITIVITY analysis, NUMERICAL analysis, OPTIMIZATION algorithms

Exact boundary controllability of the second-order Maxwell system: Theory and numerical simulation

Autoři: Darbas, M. Goubet, O. Lohrengel, S. a další

Přispěvatelé: Darbas, M. Goubet, O. Lohrengel, S. a další

Zdroj: Computers & Mathematics with Applications. 63:1212-1237

Témata: Computational Mathematics, Computational Theory and Mathematics, Second order Maxwell system, Modelling and Simulation, Finite elements, Two-grid preconditioned conjugate gradient algorithm, H.U.M, Exact boundary controllability, 0101 mathematics, 01 natural sciences, [MATH.MATH-NA]Mathematics [math]/Numerical Analysis [math.NA]

Přístupová URL adresa: https://core.ac.uk/display/82450097
http://www.sciencedirect.com/science/article/pii/S0898122111011023
https://www.sciencedirect.com/science/article/pii/S0898122111011023
https://dblp.uni-trier.de/db/journals/cma/cma63.html#DarbasGL12
https://www.infona.pl/resource/bwmeta1.element.elsevier-c80642aa-8ac2-31df-88c2-49396ef2294d

Multigrid Method for Ill-Conditioned Symmetric Toeplitz Systems: Multigrid method for ill-conditioned symmetric Toeplitz systems

Autoři: Qianshun Chang Hai-Wei Sun Raymond H. Chan

Zdroj: SIAM Journal on Scientific Computing. 19:516-529

Témata: Iterative numerical methods for linear systems, circulant preconditioned conjugate gradient methods, Multigrid methods, domain decomposition for boundary value problems involving PDEs, convergence, multigrid methods, Gauss-Seidel method, red-black Jacobi method, block Jacobi method, 01 natural sciences, damped-Jacobi method, Complexity and performance of numerical algorithms, smoothing methods, Toeplitz matrices, 0101 mathematics, ill-conditioned symmetric Toeplitz systems, computational cost

Popis souboru: application/xml

Přístupová URL adresa: https://zbmath.org/1151289
https://doi.org/10.1137/s1064827595293831
http://repository.um.edu.mo/handle/10692/18932
https://epubs.siam.org/doi/abs/10.1137/S1064827595293831
https://dblp.uni-trier.de/db/journals/siamsc/siamsc19.html#ChanCS98

BPX-Like Preconditioned Conjugate Gradient Solvers for Poisson Problem and Their CUDA Implementations.

Autoři: Peng, Jie Shu, Shi Feng, Chunsheng a další

Zdroj: Information Technology & Intelligent Transportation Systems: Volume 1, Proceedings of the 2015 International Conference on Information Technology & Intelligent Transportation Systems ITITS 2015, held December 12-13, 2015, Xi'an China; 2017, p633-643, 11p

Three-dimensional time-harmonic eddy current problems solved by the geometric multigrid preconditioned conjugate gradient method.

Autoři: Chen, C. Bíró, O.

Zdroj: IET Science, Measurement & Technology (Institution of Engineering & Technology); Sep2012, Vol. 6 Issue 5, p319-323, 5p, 4 Diagrams, 1 Chart, 3 Graphs

Témata: EDDY currents (Electric), GEOMETRIC analysis, FINITE element method, MULTIGRID methods (Numerical analysis), STOCHASTIC convergence, FACTORIZATION

A Multigrid Preconditioned Conjugate Gradient Method for Isogeometric Analysis.

Autoři: LIU Shi CHEN De-xiang FENG Yong-xin a další

Zdroj: Applied Mathematics & Mechanics (1000-0887); Jun2014, Vol. 35 Issue 6, p630-639, 10p

Témata: ISOGEOMETRIC analysis, STOCHASTIC convergence, ITERATIVE methods (Mathematics), POISSON'S equation, MULTIGRID methods (Numerical analysis), CONJUGATE gradient methods, SPLINES

A MOMENT-PARITY MULTIGRID PRECONDITIONER FOR THE FIRST-ORDER SYSTEM LEAST-SQUARES FORMULATION OF THE BOLTZMANN TRANSPORT EQUATION.

Autoři: Brown, P. N. Lee, B. Manteuffel, T. A.

Zdroj: SIAM Journal on Scientific Computing; 2003, Vol. 25 Issue 2, p513-533, 21p

Témata: TRANSPORT theory, CONJUGATE gradient methods, ITERATIVE methods (Mathematics), FINITE element method, LEAST squares, NUMERICAL analysis

Analysis of a multigrid preconditioner for Crouzeix-Raviart discretization of elliptic partial differential equation with jump coefficients.

Autoři: Zhu, Yunrong

Zdroj: Numerical Linear Algebra with Applications; Jan2014, Vol. 21 Issue 1, p24-38, 15p

Témata: MULTIGRID methods (Numerical analysis), DISCRETIZATION methods, ELLIPTIC differential equations, PARTIAL differential equations, SUBSPACES (Mathematics), STOCHASTIC convergence

An Adaptive Algebraic Multigrid Algorithm for Micromagnetism.

Autoři: Jiguang Sun Monk, Peter

Zdroj: IEEE Transactions on Magnetics; Jun2006, Vol. 42 Issue 6, p1643-1647, 4p, 1 Diagram, 7 Charts, 2 Graphs

Témata: ALGORITHMS, MULTIGRID methods (Numerical analysis), MAGNETISM, FINITE element method, EQUATIONS

Electrical Resistivity Tomography using a finite element based BFGS algorithm with algebraic multigrid preconditioning.

Autoři: Codd, A. L. Gross, L.

Zdroj: Geophysical Journal International; Mar2018, Vol. 212 Issue 3, p2073-2087, 15p

Témata: ELECTRICAL resistivity, FINITE element method, ELECTRIC conductivity, INVERSION (Geophysics), FLUID injection

Preconditioned conjugate gradient methods for the incompressible Navier-Stokes equations.

Autoři: Chin, P. D'Azevedo, E. F. Forsyth, P. A. a další

Zdroj: International Journal for Numerical Methods in Fluids; Aug1992, Vol. 15 Issue 3, p273-295, 23p

Forward and back substitution algorithms on GPU: a case study on modified incomplete Cholesky Preconditioner for three-dimensional finite difference method.

Autoři: Aksari, Yigitcan Artuner, Harun

Zdroj: Journal of Supercomputing; Oct2012, Vol. 62 Issue 1, p550-572, 23p

Témata: CASE studies, GRAPHICS processing units, FINITE element method, ALGORITHMS, STOCHASTIC convergence

Tensor method for optimal control problems constrained by fractional three‐dimensional elliptic operator with variable coefficients.

Autoři: Schmitt, Britta Khoromskij, Boris N. Khoromskaia, Venera a další

Zdroj: Numerical Linear Algebra with Applications; Jan2022, Vol. 29 Issue 1, p1-29, 29p

Témata: OPERATOR functions, ELLIPTIC operators, PROBLEM solving, COST control, NITROGEN

A reduced order model-based preconditioner for the efficient solution of transient diffusion equations.

Autoři: Pasetto, Damiano Ferronato, Massimiliano Putti, Mario

Zdroj: International Journal for Numerical Methods in Engineering; 2/24/2017, Vol. 109 Issue 8, p1159-1179, 21p

Témata: HEAT equation, GROUNDWATER flow, MATHEMATICAL models, ORTHOGONAL decompositions, ITERATIVE methods (Mathematics), DISCRETIZATION methods

Multigrid Preconditioner for Unstructured Nonlinear 3D FE Models.

Autoři: Davids, William G. Turkiyyah, George M.

Zdroj: Journal of Engineering Mechanics; Feb99, Vol. 125 Issue 2, p186, 11p, 10 Diagrams, 3 Charts, 2 Graphs

Témata: CONJUGATE gradient methods, FINITE element method, STRUCTURAL analysis (Engineering)

Multigrid preconditioners for optimal control problems with stochastic elliptic PDE constraints.

Autoři: Soane, Ana Maria

Zdroj: International Journal of Computer Mathematics; Jan2021, Vol. 98 Issue 1, p161-178, 18p

Témata: STOCHASTIC control theory, MULTIGRID methods (Numerical analysis), ELLIPTIC differential equations, COLLOCATION methods, SEMILINEAR elliptic equations

An Exact and Fast Computation of Discrete Fourier Transform for Polar and Spherical Grid.

Autoři: Abbas, Syed Alam Foroosh, Hassan Sun, Qiyu

Zdroj: IEEE Transactions on Signal Processing; Apr2017, Vol. 65 Issue 8, p2033-2048, 16p

Témata: FOURIER transforms, FOURIER transforms software, THREE-dimensional imaging, DISCRETE systems, DISCRETE Fourier transforms

Multigrid Optimization for Large-Scale Ptychographic Phase Retrieval.

Autoři: Samy Wu Fung Di, Zichao (Wendy)

Zdroj: SIAM Journal on Imaging Sciences; 2020, Vol. 13 Issue 1, p214-233, 20p

A Multilevel AINV Preconditioner.

Autoři: Meurant, Gérard

Zdroj: Numerical Algorithms; Mar2002, Vol. 29 Issue 1-3, p107-129, 23p

A Multi-Grid Method of High Accuracy Surface Modeling and Its Validation.

Autoři: Yue, Tian‐Xiang Zhao, Na Yang, Hai a další

Zdroj: Transactions in GIS; Dec2013, Vol. 17 Issue 6, p943-952, 10p

Témata: GEOGRAPHIC information systems, SURFACES (Technology), TERRAIN mapping, GRID computing, SIMULATION methods & models, ERROR analysis in mathematics, COMPARATIVE studies