Výsledky vyhledávání - "Roland A. Sweet"

A set of three drivers for BOXMG: A black-box multigrid solver

Publikováno v: Communications in Applied Numerical Methods. 8:563-571

We present three drivers for the Fortran software packages BOXMG and BOXMGP. They both act as black-box matrix solvers for symmetric positive definite matrices using a multigrid method. There are two drivers BBMG and BBMGP, that simplify the interfac

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2f788efc88c5ae39847d8f888d94a6d3
https://doi.org/10.1002/cnm.1630080904

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Numerical Methods of Solving Fluid Dynamic Equations

Autor: John Kim, Thomas J. R. Hughes, H. C. Yee, Tayfun E. Tezduyar, Marek Behr, Roland A. Sweet, James L. Thomas, Peter R. Eiseman, W. Kyle Anderson, Paul N. Swarztrauber, S. Nakamura, Evangelos Hytopoulos, Rainald Löhner

Publikováno v: Handbook of Fluid Dynamics and Fluid Machinery: Experimental and Computational Fluid Dynamics, Volume II

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f82ddbaaafb536f8b93c344b562436c7
https://doi.org/10.1002/9780470172643.ch19

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Bluestein's FFT for arbitrary N on the hypercube

Autor: Van Emden Henson, William L. Briggs, James S. Otto, Roland A. Sweet, Paul N. Swarztrauber

Publikováno v: Parallel Computing. 17:607-617

The original Cooley-Tukey FFT was published in 1965 and presented for sequences with length N equal to a power of two. However, in the same paper they noted that their algorithm could be generalized to composite N in which the length of the sequence

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3c82ee9b2adbfb8214600d1827859341
https://doi.org/10.1016/s0167-8191(05)80051-1

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FFTs and three-dimensional Poisson solvers for hypercubes

Autor: Roland A. Sweet, Jules L. Porsche, William L. Briggs, Suely Oliveira, Thomas Turnbull

Publikováno v: Parallel Computing. 17:121-131

This paper investigates the implementation of fast direct methods for solving the three-dimensional Poisson equation on loosely coupled hypercube multiprocessors. As a preliminary step, the problem of computing multiple FFTs is considered and two dif

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2e76b1a52517198c747e1a5d1bc53122
https://doi.org/10.1016/s0167-8191(05)80100-0

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CRAYFISHPAK: A VECTORIZED FORTRAN PACKAGE TO SOLVE HELMHOLTZ EQUATIONS

Autor: Roland A. Sweet

Publikováno v: Recent Developments in Numerical Methods and Software for ODEs/DAEs/PDEs ISBN: 9789810205577
Recent Developments in Numerical Methods and Software for ODEs/DAEs/PDEs

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c0646f3d1fc6685bd854b6c87fda9e9c
https://doi.org/10.1142/9789814335867_0003

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Time domain frequency stability calculated from the frequency domain description

Autor: Roland A. Sweet, F. L. Walls, Abbie O'Gallagher, John M. Gary, Linda Sweet

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::699cea544db3c02ed4c4aad91e3302f9
https://doi.org/10.6028/nist.ir.89-3916r1991

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Vector and parallel methods for the direct solution of Poisson's equation

Autor: Paul N. SWARZTRAUBER, Roland A. SWEET

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::047ecb1bbe6208387c53dec3c5ba5d9c
https://doi.org/10.1016/b978-0-444-88621-7.50017-7

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Multiprocessor FFT Methods

Autor: Leslie B. Hart, Roland A. Sweet, William L. Briggs, Abbie O'Gallagher

Publikováno v: SIAM Journal on Scientific and Statistical Computing. 8:s27-s42

Proceeding first by experiment and then by analysis, the problem of implementing FFT algorithms on a shared memory multiprocessor is investigated. Several algorithms for performing a single FFT and multiple FFTs are implemented and compared on the De

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d223c0275a5fe7d230b7207713cdee7a
https://doi.org/10.1137/0908011

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A Cyclic Reduction Algorithm for Solving Block Tridiagonal Systems of Arbitrary Dimension

Autor: Roland A. Sweet

Publikováno v: SIAM Journal on Numerical Analysis. 14:706-720

A generalization of the Buneman variant of cyclic odd–even reduction algorithm for solving finite difference approximations to Poisson’s equations is presented. This generalization places no restriction on the block size, n, of the system and com

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ba62f5644fe0a8a04e3f0e71ef5af3b6
https://doi.org/10.1137/0714048

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Vector and parallel methods for the direct solution of Poisson's equation

Autor: Roland A. Sweet, Paul N. Swarztrauber

Publikováno v: Journal of Computational and Applied Mathematics. 27(1-2):241-263

Recent developments in the area of fast direct Poisson solvers are examined in the context of parallel computing. The growing gap that exists between peak and actual performance of contemporary architectures is attributed to internal communication re

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