Steven F. Ashby
Steven F. Ashby
Verified email at pnnl.gov
Title
Cited by
Cited by
Year
A parallel multigrid preconditioned conjugate gradient algorithm for groundwater flow simulations
SF Ashby, RD Falgout
Nuclear Science and Engineering 124 (1), 145-159, 1996
3841996
A taxonomy for conjugate gradient methods
SF Ashby, TA Manteuffel, PE Saylor
SIAM Journal on Numerical Analysis 27 (6), 1542-1568, 1990
3691990
The opportunities and challenges of exascale computing
S Ashby, P Beckman, J Chen, P Colella, B Collins, D Crawford, ...
Summary Report of the Advanced Scientific Computing Advisory Committee†…, 2010
1812010
A numerical investigation of the conjugate gradient method as applied to three‐dimensional groundwater flow problems in randomly heterogeneous porous media
PD Meyer, AJ Valocchi, SF Ashby, PE Saylor
Water Resources Research 25 (6), 1440-1446, 1989
861989
A comparison of adaptive Chebyshev and least squares polynomial preconditioning for Hermitian positive definite linear systems
SF Ashby, TA Manteuffel, JS Otto
SIAM Journal on Scientific and Statistical Computing 13 (1), 1-29, 1992
691992
Polynomial preconditioning for conjugate gradient methods.
SF Ashby
681989
Adaptive polynomial preconditioning for Hermitian indefinite linear systems
SF Ashby, TA Manteuffel, PE Saylor
BIT Numerical Mathematics 29 (4), 583-609, 1989
601989
ParFlow userĘs manual
RM Maxwell, SJ Kollet, SG Smith, CS Woodward, RD Falgout, ...
International Ground Water Modeling Center Report GWMI 1 (2009), 129, 2009
572009
Minimax polynomial preconditioning for Hermitian linear systems
SF Ashby
SIAM Journal on Matrix Analysis and Applications 12 (4), 766-789, 1991
511991
Analysis of subsurface contaminant migration and remediation using high performance computing
AFB Tompson, RD Falgout, SG Smith, WJ Bosl, SF Ashby
Advances in Water Resources 22 (3), 203-221, 1998
501998
The role of the inner product in stopping criteria for conjugate gradient iterations
SF Ashby, MJ Holst, A Manteuffel, PE Saylor
BIT Numerical Mathematics 41 (1), 26-52, 2001
472001
A linear algebraic analysis of diffusion synthetic acceleration for the Boltzmann transport equation
SF Ashby, PN Brown, MR Dorr, AC Hindmarsh
SIAM Journal on Numerical Analysis 32 (1), 128-178, 1995
431995
ChebyCode, a FORTRAN implementation of Manteuffel's adaptive Chebyshev algorithm
SF Ashby
University of Illinois at Chicago, 1985
411985
A numerical simulation of groundwater flow and contaminant transport on the CRAY T3D and C90 Supercomputers
SF Ashby, WJ Bosl, RD Falgout, SG Smith, AFB Tompson, TJ Williams
The International Journal of High Performance Computing Applications 13 (1†…, 1999
401999
Use of high performance computing to examine the effectiveness of aquifer remediation
AFB Tompson, SF Ashby, RD Falgout, SG Smith, TW Fogwell, ...
Lawrence Livermore National Lab., 1994
231994
Multigrid preconditioned conjugate gradients for the numerical simulation of groundwater flow on the Cray T3D
SF Ashby, RD Falgout, SG Smith, TW Fogwell
Lawrence Livermore National Lab., CA (United States), 1994
221994
Modeling groundwater flow on MPPs
SF Ashby, RD Falgout, SG Smith, AFB Tompson
Proceedings of Scalable Parallel Libraries Conference, 17-35, 1993
201993
A proposed standard for iterative linear solvers
SF Ashby, MK Seager
Technical Report UCRL-102860, Lawrence Livermore national Laboratory, 1990
201990
Preconditioned iterative methods for discretized transport equations
SF Ashby, PN Brown, MR Dorr, AC Hindmarsh
Proc. International Topical Meeting on Advances in Mathematics, Computations†…, 1991
181991
TA Manteuffel, and JS Otto. A comparison of adaptive Chebyshev and least squares polynomial preconditioning for Hermitian positive definite linear systems
SF Ashby
SIAM J. Sci. Statist. Comput 13 (1-29), 135-136, 1992
141992
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