Zobrazeno 1 - 10
of 27
pro vyhledávání: '"E. Barragy"'
Autor:
E. Barragy, Graham F. Carey
Publikováno v:
Computers & Fluids. 26:453-468
Calculations for the two-dimensional driven cavity incompressible flow problem are presented. A p-type finite element scheme for the fully coupled stream function-vorticity formulation of the Navier-Stokes equations is used. Graded meshes are used to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d5872e5db418441bc903722a23e65b1f
https://doi.org/10.1016/s0045-7930(97)00004-2
https://doi.org/10.1016/s0045-7930(97)00004-2
Publikováno v:
International Journal for Numerical Methods in Engineering. 38:1535-1554
A two-dimensional p-type finite element scheme for distributed parallel computation of viscous flows is developed. The approach is based on an element-by-element implementation of the Biconjugate Gradient Stabilized 2 iterative method coupled with a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1f57b542b622a8f0daff7e70d6f27fa1
https://doi.org/10.1002/nme.1620380906
https://doi.org/10.1002/nme.1620380906
Autor:
R.A. van de Geijn, E. Barragy
Publikováno v:
International Journal for Numerical Methods in Engineering. 38:1327-1340
A high performance implementation is presented for three kernel routines commonly found in element-byelement preconditioned conjugate gradient finite element codes. These routines include forming the element stiffness matrices and loading vectors, or
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fd7512b1f4f906af6fddd163ce6e55dd
https://doi.org/10.1002/nme.1620380806
https://doi.org/10.1002/nme.1620380806
Publikováno v:
Journal of Parallel and Distributed Computing. 21:202-212
A two-dimensional (h, p) finite element scheme for distributed parallel computation is developed. The approach is based on an element-by-element domain decomposition and is implemented on the nCUBE2 system. Example problems are used to demonstrate pe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::965c66948ffe3c04489baba4874c1139
https://doi.org/10.1006/jpdc.1994.1052
https://doi.org/10.1006/jpdc.1994.1052
Autor:
E. Barragy, G. F. Carey
Publikováno v:
Communications in Numerical Methods in Engineering. 9:387-395
A p-type finite-element scheme is introduced for Navier-Stokes problems in a fully coupled stream function/vorticity formulation. The resulting coupled non-linear system is solved using a Newton iteration with incremental continuation in the Reynold'
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::664e2aa0c9f2470b905dbedf1d08671c
https://doi.org/10.1002/cnm.1640090504
https://doi.org/10.1002/cnm.1640090504
Publikováno v:
Advances in Water Resources. 16:163-171
A harmonic decomposition technique is applied to the shallow water equations to yield a complex, nonsymmetric, nonlinear, Helmholtz type problem for the sea surface and an accompanying complex, nonlinear diagonal problem for the velocities. The equat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9c3558b531e9496a3419d31ad28414f2
https://doi.org/10.1016/0309-1708(93)90035-e
https://doi.org/10.1016/0309-1708(93)90035-e
Autor:
Graham F. Carey, E. Barragy
Publikováno v:
International Journal of Computer Mathematics. 44:329-339
A basic element-by-element formulation of the finite element method is presented. This is coupled with a bi-conjugate gradient iterative solver with Jacobi and block type preconditioners. A variety of performance calculations for linear and nonlinear
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b3f57b10cfcc7c928bc7697d0da5dd49
https://doi.org/10.1080/00207169208804112
https://doi.org/10.1080/00207169208804112
Autor:
E. Barragy, Graham F. Carey
Publikováno v:
Computer Methods in Applied Mechanics and Engineering. 93:97-110
The present investigation considers element block preconditioners for discretizations employing elements of high degree. Several different element block preconditioners are constructed and compared in numerical studies for a model elliptic problem. F
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ba471ad0ded4839895a744c77454cc6e
https://doi.org/10.1016/0045-7825(91)90116-n
https://doi.org/10.1016/0045-7825(91)90116-n
Autor:
E. Barragy, G. F. Carey
Publikováno v:
IMPACT of Computing in Science and Engineering. 3:76-92
A method is presented for detecting bifurcations in parameterized nonlinear PDEs. The method is developed in the context of pseudo-arclength continuation with a Newton corrector iteration. An iterative method, such as preconditioned bio-conjugate gra
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6c4094c0ccbf8c53fb57ee7a41d72713
https://doi.org/10.1016/0899-8248(91)90016-n
https://doi.org/10.1016/0899-8248(91)90016-n
Autor:
E. Barragy, G. F. Carey
Publikováno v:
BIT. 29:794-804
This work considers the effect of the choice of finite element basis on the conditioning and iterative solution of the algebraic systems obtained using high degree finite elements (p-methods). This issue is fundamental to the performance ofp-methods
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::aa93c21e8326b70cfcb113d8054bb15a
https://doi.org/10.1007/bf01932746
https://doi.org/10.1007/bf01932746