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Surrogate-based multilevel Monte Carlo methods for uncertainty
quantification in the Grad-Shafranov free boundary problem
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2025
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Howard C. Elman
Jiaxing Liang
Tonatiuh SĂĄnchez-Vizuet
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Transformed Physics-Informed Neural Networks for The
Convection-Diffusion Equation
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2024
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Jiajing Guan
Howard C. Elman
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Multilevel Monte Carlo methods for the Grad-Shafranov free boundary problem
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2024
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Howard C. Elman
Jiaxing Liang
Tonatiuh SĂĄnchez-Vizuet
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An Assessment of the Supremizer and Aggregation Methods of Stabilization for Reduced-Order Models
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2023
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Kayla D. Davie
Howard C. Elman
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Multilevel Monte Carlo methods for the Grad-Shafranov free boundary problem
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2023
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Howard C. Elman
Jiaxing Liang
Tonatiuh SĂĄnchez-Vizuet
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Multilevel Monte Carlo Methods for the Grad-Shafranov Free Boundary Problem
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2023
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Howard C. Elman
Jiaxing Liang
Tonatiuh SĂĄnchez-Vizuet
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On surrogate learning for linear stability assessment of Navier-Stokes equations with stochastic viscosity
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2022
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BedĹich SousedĂk
Howard C. Elman
Kookjin Lee
Randy Price
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Surrogate approximation of the GradâShafranov free boundary problem via stochastic collocation on sparse grids
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2021
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Howard C. Elman
Jiaxing Liang
Tonatiuh SĂĄnchez-Vizuet
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Surrogate Approximation of the Grad-Shafranov Free Boundary Problem via Stochastic Collocation on Sparse Grids
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2021
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Howard C. Elman
Jiaxing Liang
Tonatiuh SĂĄnchez-Vizuet
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Novel Deep neural networks for solving Bayesian statistical inverse.
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2021
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Harbir Antil
Howard C. Elman
Akwum Onwunta
Deepanshu Verma
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Novel Deep neural networks for solving Bayesian statistical inverse
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2021
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Harbir Antil
Howard C. Elman
Akwum Onwunta
Deepanshu Verma
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Fast Computational Algorithms for Partial Differential Equations and Uncertainty Quantifications
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2020
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Howard C. Elman
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A low-rank solver for the stochastic unsteady NavierâStokes problem
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2020
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Howard C. Elman
Tengfei Su
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Alternating Energy Minimization Methods for Multi-term Matrix Equations
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2020
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Kookjin Lee
Howard C. Elman
Catherine E. Powell
DongâEun Lee
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Semi-smooth Newton methods for nonlinear complementarity formulation of compositional two-phase flow in porous media
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2019
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Quan M. Bui
Howard C. Elman
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Reduced-order modeling for nonlinear Bayesian statistical inverse problems
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2019
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Howard C. Elman
Akwum Onwunta
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A Low-Rank Solver for the Navier--Stokes Equations with Uncertain Viscosity
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2019
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Kookjin Lee
Howard C. Elman
BedĹich SousedĂk
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Low-Rank Solution Methods for Stochastic Eigenvalue Problems
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2019
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Howard C. Elman
Tengfei Su
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Reduced-order modeling for nonlinear Bayesian statistical inverse problems
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2019
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Howard C. Elman
Akwum Onwunta
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A Low-Rank Multigrid Method for the Stochastic Steady-State Diffusion Problem
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2018
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Howard C. Elman
Tengfei Su
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Collocation Methods for Exploring Perturbations in Linear Stability Analysis
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2018
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Howard C. Elman
David J. Silvester
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Low-Rank Solution Methods for Stochastic Eigenvalue Problems
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2018
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Howard C. Elman
Tengfei Su
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Stochastic Least-Squares Petrov--Galerkin Method for Parameterized Linear Systems
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2018
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Kookjin Lee
Kevin Carlberg
Howard C. Elman
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AN ADAPTIVE REDUCED BASIS COLLOCATION METHOD BASED ON PCM ANOVA DECOMPOSITION FOR ANISOTROPIC STOCHASTIC PDES
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2018
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Heyrim Cho
Howard C. Elman
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Stochastic Least-Squares Petrov-Galerkin Method for Parameterized Linear Systems
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2017
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Kookjin Lee
Kevin Carlberg
Howard C. Elman
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Algebraic Multigrid Preconditioners for Multiphase Flow in Porous Media
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2017
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Quan M. Bui
Howard C. Elman
D. Moulton
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A Preconditioned Low-Rank Projection Method with a Rank-Reduction Scheme for Stochastic Partial Differential Equations
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2017
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Kookjin Lee
Howard C. Elman
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Stochastic Least-Squares Petrov-Galerkin Method for Parameterized Linear Systems
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2017
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Kookjin Lee
Kevin Carlberg
Howard C. Elman
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Collocation Methods for Exploring Perturbations in Linear Stability Analysis
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2017
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Howard C. Elman
David J. Silvester
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Numerical solution of the parameterized steady-state NavierâStokes equations using empirical interpolation methods
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2016
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Howard C. Elman
Virginia Forstall
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A Preconditioned Low-Rank Projection Method with a Rank-Reduction Scheme for Stochastic Partial Differential Equations
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2016
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Kookjin Lee
Howard C. Elman
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Stochastic Galerkin methods for the steady-state NavierâStokes equations
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2016
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BedĹich SousedĂk
Howard C. Elman
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Block Preconditioners for Stable Mixed Nodal and Edge finite element Representations of Incompressible Resistive MHD
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2016
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Edward Geoffrey Phillips
John N. Shadid
Eric C. Cyr
Howard C. Elman
Roger P. Pawlowski
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A Low-Rank Multigrid Method for the Stochastic Steady-State Diffusion Problem
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2016
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Howard C. Elman
Tengfei Su
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Inverse Subspace Iteration for Spectral Stochastic Finite Element Methods
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2016
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BedĹich SousedĂk
Howard C. Elman
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A Preconditioned Low-Rank Projection Method with a Rank-Reduction Scheme for Stochastic Partial Differential Equations
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2016
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Kookjin Lee
Howard C. Elman
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Preconditioning Techniques for Reduced Basis Methods for Parameterized Elliptic Partial Differential Equations
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2015
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Howard C. Elman
Virginia Forstall
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Optimization with PDE Constraints
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2014
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Howard C. Elman
David J. Silvester
Andrew J. Wathen
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Solution of Discrete NavierâStokes Problems
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2014
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Howard C. Elman
David J. Silvester
Andrew J. Wathen
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Lyapunov Inverse Iteration for Computing a Few Rightmost Eigenvalues of Large Generalized Eigenvalue Problems
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2013
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Howard C. Elman
Minghao Wu
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The solution of two-parameter eigenvalue problems arising from the determination of Hopf bifurcations of dynamical systems
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2012
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Karl Meerbergen
A. Spence
Howard C. Elman
Minghao Wu
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Fast iterative solvers for buoyancy driven flow problems
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2011
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Howard C. Elman
Milan MihajloviÄ
David J. Silvester
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Recent Progress in Nonlinear and Linear Solvers
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2011
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P. Aaron Lott
Howard C. Elman
Katherine J. Evans
X S Li
Andy Salinger
Carol S. Woodward
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Fast inexact subspace iteration for generalized eigenvalue problems with spectral transformation
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2010
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Fei Xue
Howard C. Elman
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Convergence Analysis of Iterative Solvers in Inexact Rayleigh Quotient Iteration
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2009
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Fei Xue
Howard C. Elman
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BOUNDARY CONDITIONS IN APPROXIMATE COMMUTATOR PRECONDITIONERS FOR THE NAVIER-STOKES EQUATIONS â
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2009
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Howard C. Elman
Ray Tuminaro
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Fast iterative solver for convection-diffusion systems with spectral elements
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2009
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P. Aaron Lott
Howard C. Elman
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Preconditioners Boundary Conditions for the Navier-Stokes Equations Based on Commutators.
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2008
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Raymond S. Tuminaro
Howard C. Elman
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Least Squares Preconditioners for Stabilized Discretizations of the NavierâStokes Equations
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2007
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Howard C. Elman
Victoria E. Howle
John N. Shadid
David J. Silvester
Ray Tuminaro
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A taxonomy and comparison of parallel block multi-level preconditioners for the incompressible NavierâStokes equations
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2007
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Howard C. Elman
Victoria E. Howle
John N. Shadid
Robert Shuttleworth
Ray Tuminaro
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Algorithm 866
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2007
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Howard C. Elman
Alison Ramage
David J. Silvester
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Some observations on multigrid convergence for convectionâdiffusion equations
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2007
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Alison Ramage
Howard C. Elman
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Fourier Analysis of Multigrid for a Model Two-Dimensional Convection-Diffusion Equation
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2006
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Howard C. Elman
Alison Ramage
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Analysis and Comparison of Geometric and Algebraic Multigrid for ConvectionâDiffusion Equations
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2006
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ChinâTien Wu
Howard C. Elman
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PDF
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Preconditioning Strategies for Models of Incompressible Flow
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2005
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Howard C. Elman
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Solution of Discrete Navier-Stokes Problems
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2005
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Howard C. Elman
David J. Silvester
Andrew J. Wathen
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Complete stagnation of gmres
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2003
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Ilya Zavorin
Dianne P. OâLeary
Howard C. Elman
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A new preconditioner for the Oseen equations
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2003
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Andy Wathen
Daniel Loghin
David Kay
Howard C. Elman
David J. Silvester
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Preconditioning Techniques for Newton's Method for the Incompressible NavierâStokes Equations
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2003
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Howard C. Elman
Daniel Loghin
Andy Wathen
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PDF
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Preconditioners for saddle point problems arising in computational fluid dynamics
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2002
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Howard C. Elman
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A characterisation of oscillations in the discrete two-dimensional convection-diffusion equation
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2001
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Howard C. Elman
Alison Ramage
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Efficient preconditioning of the linearized NavierâStokes equations for incompressible flow
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2001
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David J. Silvester
Howard C. Elman
David Kay
Andrew J. Wathen
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Efficient preconditioning of the linearized NavierâStokes equations for incompressible flow
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2001
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David J. Silvester
Howard C. Elman
David Kay
Andrew J. Wathen
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Iterative Methods for Problems in Computational Fluid Dynamics
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1998
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Howard C. Elman
David J. Silvester
Andrew J. Wathen
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Introduction to the Special Issue on Iterative Methods for Solving Systems of Algebraic Equations
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1998
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Howard C. Elman
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Upwind finite element solutions for convection-diffusion problems
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1998
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Howard C. Elman
Yin-Tzer Shih
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Perturbation of Eigenvalues of Preconditioned Navier--Stokes Operators
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1997
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Howard C. Elman
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A note on conjugate gradient convergence
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1997
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Aaron E. Naiman
Ivo BabuĹĄka
Howard C. Elman
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Fast Nonsymmetric Iterations and Preconditioning for NavierâStokes Equations
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1996
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Howard C. Elman
David J. Silvester
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Fast non-symmetric iterations and efficient preconditioning for Navier-Stokes equations
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1994
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David J. Silvester
Howard C. Elman
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On the convergence of line iterative methods for cyclically reduced non-symmetrizable linear systems
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1994
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Howard C. Elman
Gene H. Golub
Gerhard Starke
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Iterative Methods for Linear Systems
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1994
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Howard C. Elman
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Ordering Effects on Relaxation Methods Applied to the Discrete Convection-Diffusion Equation
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1994
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Howard C. Elman
Michael P. Chernesky
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Ordering Effects on Relaxation Methods Applied to the Discrete One-Dimensional Convection-Diffusion Equation
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1993
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Howard C. Elman
Michael P. Chernesky
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Parallel sparse Cholesky factorization on a shared memory multiprocessor
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1992
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G. Zhang
Howard C. Elman
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Line Iterative Methods for Cyclically Reduced Discrete Convection-Diffusion Problems
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1992
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Howard C. Elman
Gene H. Golub
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Iterative methods for cyclically reduced nonselfadjoint linear systems. II
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1991
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Howard C. Elman
Gene H. Golub
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Iterative Methods for Cyclically Reduced Non-Self-Adjoint Linear Systems. II
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1991
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Howard C. Elman
Gene H. Golub
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Iterative Methods for Cyclically Reduced Non-Self-Adjoint Linear Systems
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1990
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Howard C. Elman
Gene H. Golub
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Block Iterative Methods for Cyclically Reduced Non-Self-Adjoint Elliptic Problems
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1990
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Howard C. Elman
Gene H. Golub
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Relaxed and stabilized incomplete factorizations for non-self-adjoint linear systems
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1989
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Howard C. Elman
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Ordering techniques for the preconditioned conjugate gradient method on parallel computers
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1989
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Howard C. Elman
Elvira AgrĂłn
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Block-Preconditioned Conjugate-Gradient-Like Methods for Numerical Reservoir Simulation
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1988
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Stanley C. Eisenstat
Howard C. Elman
Martin H. Schultz
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A Hybrid Chebyshev Krylov Subspace Algorithm for Solving Nonsymmetric Systems of Linear Equations
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1986
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Howard C. Elman
Yousef Saad
Paul E. Saylor
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Preconditioning by Fast Direct Methods for Nonself-Adjoint Nonseparable Elliptic Equations
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1986
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Howard C. Elman
Martin H. Schultz
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Polynomial iteration for nonsymmetric indefinite linear systems
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1986
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Howard C. Elman
Roy L. Streit
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A stability analysis of incomplete đżđ factorizations
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1986
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Howard C. Elman
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The (New) Yale Sparse Matrix Package11The work presented in this paper was supported in part by the Office of Naval Research under contract N00014-82-K-0184 and by the National Science Foundation under grant MCS-81-04874.
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1984
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Stanley C. Eisenstat
Howard C. Elman
Martin H. Schultz
Andrew H. Sherman
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Variational Iterative Methods for Nonsymmetric Systems of Linear Equations
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1983
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Stanley C. Eisenstat
Howard C. Elman
Martin H. Schultz
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Iterative methods for large, sparse, nonsymmetric systems of linear equations
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1982
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Howard C. Elman
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Solving Approximations To The Convection Diffusion Equation
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1979
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Stanley C. Eisenstat
Howard C. Elman
Martin H. Schultz
Andrew H. Sherman
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