Search Results - unstructured multigrid algorithm~

A new method based on SOM network to generate coarse meshes for overlapping unstructured multigrid algorithm

Authors: Yi-Zhao Wu Hong-Qiang Lu Songcan Chen

Source: Applied Mathematics and Computation. 140:353-360

Subject Terms: 0301 basic medicine, numerical examples, self-organizing map neural network, Multigrid methods, domain decomposition for boundary value problems involving PDEs, algorithm, convergence, overlapping unstructured multigrid, 02 engineering and technology, Mesh generation, refinement, and adaptive methods for boundary value problems involving PDEs, mesh generation, 03 medical and health sciences, SOM network, 0202 electrical engineering, electronic engineering, information engineering, optimization

File Description: application/xml

Access URL: https://zbmath.org/1978087
https://doi.org/10.1016/s0096-3003(02)00232-1

PRECONDITIONING HIGHER ORDER FINITE ELEMENT SYSTEMS BY ALGEBRAIC MULTIGRID METHOD OF LINEAR ELEMENTS

Authors: Huang, Yun-qing Shu, Shi Yu, Xi-jun

Source: Journal of Computational Mathematics, 2006 Sep 01. 24(5), 657-664.

Access URL: https://www.jstor.org/stable/43693324

Large-Scale Parallel Viscous Flow Computations Using an Unstructured Multigrid Algorithm

Authors: INSTITUTE FOR COMPUTER APPLICATIONS IN SCIENCE AND ENGINEERING HAMPTON VA Mavriplis, Dimitri J.

Source: DTIC AND NTIS

Index Terms: Operations Research, Fluid Mechanics, COMPUTATIONAL FLUID DYNAMICS, NAVIER STOKES EQUATIONS, VISCOUS FLOW, ALGORITHMS, TURBULENCE, PARALLEL PROCESSING, GRIDS(COORDINATES), FINITE DIFFERENCE THEORY, REYNOLDS NUMBER., MULTIGRID METHODS, FINITE VOLUME METHOD, Text

URL: https://apps.dtic.mil/docs/citations/ADA371861

Large-scale parallel viscous flow computations using an unstructured multigrid algorithm

Authors: Dimitri J. Mavriplis

Source: Parallel Computational Fluid Dynamics 1999 ISBN: 9780444828514

Access URL: https://ntrs.nasa.gov/api/citations/20000004185/downloads/20000004185.pdf

Unsteady analysis of separated aerodynamic flows using an unstructured multigrid algorithm

Authors: Osama A. Kandil Juan Pelaez Dimitri J. Mavriplis

Source: 39th Aerospace Sciences Meeting and Exhibit.

Subject Terms: 0103 physical sciences, 01 natural sciences

Access URL: https://ntrs.nasa.gov/api/citations/20010011957/downloads/20010011957.pdf
http://hdl.handle.net/2060/20010011957
https://arc.aiaa.org/doi/10.2514/6.2001-860
https://ntrs.nasa.gov/api/citations/20010011957/downloads/20010011957.pdf
https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/20010011957.pdf
https://repository.exst.jaxa.jp/dspace/handle/a-is/93528

Large-Scale Parallel Viscous Flow Computations using an Unstructured Multigrid Algorithm

Authors: Mavriplis, Dimitri J

Subject Terms: Numerical Analysis

Access URL: https://ntrs.nasa.gov/citations/20000004185

Unsteady Analysis of Separated Aerodynamic Flows Using an Unstructured Multigrid Algorithm

Authors: Pelaez, Juan Mavriplis, Dimitri J Kandil, Osama

Subject Terms: Aerodynamics

Access URL: https://ntrs.nasa.gov/citations/20010011957

Array-based, parallel hierarchical mesh refinement algorithms for unstructured meshes

Contributors: Jiao, Xiangmin [Stony Brook Univ., Stony Brook, NY (United States)]

Source: Computer Aided Design; 85; C

File Description: Medium: ED; Size: p. 68-82

Access URL: http://www.osti.gov/scitech/servlets/purl/1373943

Large-scale Parallel Viscous Flow Computations Using an Unstructured Multigrid Algorithm

Authors: Dimitri J. Mavriplis The Pennsylvania State University CiteSeerX Archives

Contributors: Dimitri J. Mavriplis The Pennsylvania State University CiteSeerX Archives

Source: http://techreports.larc.nasa.gov/icase/1999/icase-1999-44.ps.gz.

Subject Terms: Key words. multigrid, anisotropic, Navier-Stokes

File Description: application/postscript

Relation: http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.7.9440

Availability: http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.7.9440
http://techreports.larc.nasa.gov/icase/1999/icase-1999-44.ps.gz

An Assessment of Linear Versus Nonlinear Multigrid Methods for Unstructured Mesh Solvers

Authors: Mavriplis, Dimitri J.

Source: Journal of Computational Physics. Jan2002, Vol. 175 Issue 1, p302. 24p.

Subject Terms: *MULTIGRID methods (Numerical analysis), *ALGORITHMS, *NONLINEAR theories

Turbulent flow calculations using unstructured and adaptive meshes

Authors: Dimitri J. Mavriplis

Source: Lecture Notes in Physics ISBN: 9783540536192

Subject Terms: Turbulence, fully unstructured meshes, Delaunay technique, 0103 physical sciences, turbulent compressible flow, adaptive meshing, Existence, uniqueness, and regularity theory for compressible fluids and gas dynamics, Mesh generation, refinement, and adaptive methods for boundary value problems involving PDEs, unstructured multigrid algorithm, 01 natural sciences, Finite element methods applied to problems in fluid mechanics, finite element Navier-Stokes solver

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Access URL: https://ntrs.nasa.gov/api/citations/19910000697/downloads/19910000697.pdf
https://trid.trb.org/view/440076
https://onlinelibrary.wiley.com/doi/10.1002/fld.1650130905
https://link.springer.com/chapter/10.1007%2F3-540-53619-1_174
https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19910000697.pdf
https://repository.exst.jaxa.jp/dspace/handle/a-is/330856
https://ui.adsabs.harvard.edu/abs/1991IJNMF..13.1131M/abstract
https://ui.adsabs.harvard.edu/abs/1990LNP...371..228M/abstract

Parallel adaptive multigrid algorithm for 2-d 3-t diffusion equations.

Authors: Zeyao, Mo Longjun, Shen Wittum, Gabriel

Source: International Journal of Computer Mathematics. Mar2004, Vol. 81 Issue 3, p361-374. 14p. 3 Diagrams, 1 Chart, 5 Graphs.

Subject Terms: Heat equation, Multigrid methods (Numerical analysis), Parallel algorithms, Fluid dynamics, Partial differential equations

Implicit time-accurate solutions on unstructured dynamic grids

Authors: Crumpton, P Giles, M

Source: International Journal for Numerical Methods in Fluids. 25:1285-1300

Subject Terms: multigrid technique, tetrahedral grids, pseudo-time-stepping smoother, 02 engineering and technology, M6 wing, Existence, uniqueness, and regularity theory for compressible fluids and gas dynamics, edge-collapsing algorithm, 01 natural sciences, Finite difference methods applied to problems in fluid mechanics, iterative procedure, nonlinear diffusion coefficient, 0203 mechanical engineering, Multigrid methods, domain decomposition for initial value and initial-boundary value problems involving PDEs, unsteady Euler equations, 0103 physical sciences, NACA 0012

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Access URL: https://ora.ox.ac.uk/objects/uuid:e3cd7465-556b-4161-a395-cc8dc051c351/download_file?safe_filename=NA-95-17.pdf&file_format=application%2Fpdf&type_of_work=Report
https://zbmath.org/1172035
https://doi.org/10.1002/(sici)1097-0363(19971215)25:11<1285::aid-fld607>3.0.co;2-m
http://arc.aiaa.org/doi/pdf/10.2514/6.1995-1671
https://onlinelibrary.wiley.com/doi/10.1002/(SICI)1097-0363(19971215)25:11%3C1285::AID-FLD607%3E3.0.CO;2-M
http://ui.adsabs.harvard.edu/abs/1997IJNMF..25.1285C/abstract
https://ora.ox.ac.uk/objects/uuid:e3cd7465-556b-4161-a395-cc8dc051c351
https://ora.ox.ac.uk/objects/uuid:38d5f9d6-f29b-4d29-9a6e-32b0745d5305
https://doi.org/10.1002/(sici)1097-0363(19971215)25:11<1285::aid-fld607>3.3.co;2-d

Large-Scale Parallel Viscous Flow Computations Using an Unstructured Multigrid Algorithm

Authors: Mavriplis, Dimitri J. INSTITUTE FOR COMPUTER APPLICATIONS IN SCIENCE AND ENGINEERING HAMPTON VA

Contributors: Mavriplis, Dimitri J. INSTITUTE FOR COMPUTER APPLICATIONS IN SCIENCE AND ENGINEERING HAMPTON VA

Source: DTIC AND NTIS

Subject Terms: Operations Research, Fluid Mechanics, COMPUTATIONAL FLUID DYNAMICS, NAVIER STOKES EQUATIONS, VISCOUS FLOW, ALGORITHMS, TURBULENCE, PARALLEL PROCESSING, GRIDS(COORDINATES), FINITE DIFFERENCE THEORY, REYNOLDS NUMBER, MULTIGRID METHODS, FINITE VOLUME METHOD

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Relation: http://www.dtic.mil/docs/citations/ADA371861

Availability: http://www.dtic.mil/docs/citations/ADA371861
http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA371861

UNIFIED GEOMETRIC MULTIGRID ALGORITHM FOR HYBRIDIZED HIGH-ORDER FINITE ELEMENT METHODS.

Authors: WILDEY, TIM MURALIKRISHNAN, SRIRAMKRISHNAN BUI-THANH, TAN

Source: SIAM Journal on Scientific Computing. 2019, Vol. 41 Issue 5, pS172-S195. 24p.

Subject Terms: *MULTIGRID methods (Numerical analysis), *FINITE element method, *GALERKIN methods, *ELLIPTIC differential equations, *POROUS materials, *ALGORITHMS

Two Methods to Improve the Efficiency of Supersonic Flow Simulation on Unstructured Grids

Authors: Andrei S. Kozelkov Andrei V. Struchkov Dmitry Y. Strelets

Source: Fluids, Vol 7, Iss 4, p 136 (2022)

Subject Terms: supersonic flow, aerodynamics, simulation, performance, unstructured grid, multigrid solvers, Thermodynamics, QC310.15-319, Descriptive and experimental mechanics, QC120-168.85

File Description: electronic resource

Relation: https://www.mdpi.com/2311-5521/7/4/136; https://doaj.org/toc/2311-5521

Access URL: https://doaj.org/article/10479d2450a94531805bd6b7383e3b78

An Adaptive Algebraic Multigrid Algorithm for Micromagnetism.

Authors: Jiguang Sun Monk, Peter

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

Subject Terms: *ALGORITHMS, *MULTIGRID methods (Numerical analysis), *MAGNETISM, *FINITE element method, *EQUATIONS

Large-Scale Parallel Viscous Flow Computations Using an Unstructured Multigrid Algorithm

Authors: Mavriplis, Dimitri J.

Source: Parallel Computational Fluid Dynamics 1999 ; page 57-72 ; ISBN 9780444828514

Availability: http://dx.doi.org/10.1016/b978-044482851-4.50010-4
https://api.elsevier.com/content/article/PII:B9780444828514500104?httpAccept=text/xml
https://api.elsevier.com/content/article/PII:B9780444828514500104?httpAccept=text/plain

UNSTRUCTURED GEOMETRIC MULTIGRID IN TWO AND THREE DIMENSIONS ON COMPLEX AND GRADED MESHES.

Authors: BRUNE, PETER R. KNEPLEY, MATTHEW G. SCOTT, L. RIDGWAY

Source: SIAM Journal on Scientific Computing. 2013, Vol. 35 Issue 1, pA173-A191. 19p.

Subject Terms: *FINITE element method, *NUMERICAL analysis, *MULTIGRID methods (Numerical analysis), *INTERPOLATION, *ALGORITHMS

Performance Analysis of the LU-SGS Algorithm as Multigrid Smoother in a CFD Code for Unstructured Grids

Authors: Otero, Evelyn Eliasson, Peter

Subject Terms: CFD convergence acceleration, LU-SGS, line-implicit, parallelization, ordering techniques, multigrid

File Description: print

Access URL: https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-156413