Yunhui He | DeepAI

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Jun Liu
165 publications
Yu Li
109 publications
Patrick E. Farrell
26 publications
Xiaozhe Hu
26 publications
Sander Rhebergen
22 publications
Stefan M. Wild
19 publications
Scott MacLachlan
16 publications
Dawei Wang
15 publications
Luke N. Olson
13 publications
Hans De Sterck
12 publications
Jed Brown
12 publications

∙ 08/25/2022

Block preconditioners for the Marker and Cell discretization of the Stokes-Darcy equations

We develop block preconditioners for solving the Stokes-Darcy equations,...

0 Chen Greif, et al. ∙

∙ 06/11/2022

Optimized sparse approximate inverse smoothers for solving Laplacian linear systems

In this paper we propose and analyze new efficient sparse approximate in...

0 Yunhui He, et al. ∙

∙ 04/22/2022

Parameter-robust Braess-Sarazin-type smoothers for linear elasticity problems

In this work, we propose three Braess-Sarazin-type multigrid relaxation ...

0 Yunhui He, et al. ∙

∙ 04/04/2022

A Vanka-based parameter-robust multigrid relaxation for the Stokes-Darcy Brinkman problems

We propose a block-structured multigrid relaxation scheme for solving th...

0 Yunhui He, et al. ∙

∙ 03/22/2022

Smoothing analysis of two robust multigrid methods for elliptic optimal control problems

In this paper we study and compare two multigrid relaxation schemes with...

0 Yunhui He, et al. ∙

∙ 03/21/2022

A Vanka-type multigrid solver for complex-shifted Laplacian systems from diagonalization-based parallel-in-time algorithms

We propose and analyze a Vanka-type multigrid solver for solving a seque...

0 Yunhui He, et al. ∙

∙ 03/09/2022

Optimal smoothing factor with coarsening by three for the MAC scheme for the Stokes equations

In this work, we propose a local Fourier analysis for multigrid methods ...

0 Yunhui He, et al. ∙

∙ 11/30/2021

A novel multigrid method for elliptic distributed control problems

Large linear systems of saddle-point type have arisen in a wide variety ...

0 Yunhui He, et al. ∙

∙ 11/09/2021

Novel mass-based multigrid relaxation schemes for the Stokes equations

In this work, we propose three novel block-structured multigrid relaxati...

0 Yunhui He, et al. ∙

∙ 11/04/2021

A note on using the mass matrix as a preconditioner for the Poisson equation

We show that the mass matrix derived from finite elements can be effecti...

0 Chen Greif, et al. ∙

∙ 11/04/2021

A closed-form multigrid smoothing factor for an additive Vanka-type smoother applied to the Poisson equation

We consider an additive Vanka-type smoother for the Poisson equation dis...

0 Chen Greif, et al. ∙

∙ 09/29/2021

Anderson Acceleration as a Krylov Method with Application to Asymptotic Convergence Analysis

Anderson acceleration is widely used for accelerating the convergence of...

0 Hans De Sterck, et al. ∙

∙ 09/29/2021

Linear Asymptotic Convergence of Anderson Acceleration: Fixed-Point Analysis

We study the asymptotic convergence of AA(m), i.e., Anderson acceleratio...

0 Hans De Sterck, et al. ∙

∙ 09/27/2021

HSS(0): an Improved Hermitian/Skew-Hermitian Splitting Iteration

We propose an improved version of the Hermitian/skew-Hermitian splitting...

0 Chen Greif, et al. ∙

∙ 08/04/2021

Local Fourier analysis of Balancing Domain Decomposition by Constraints algorithms

Local Fourier analysis is a commonly used tool for the analysis of multi...

0 Jed Brown, et al. ∙

∙ 08/03/2021

Local Fourier Analysis of P-Multigrid for High-Order Finite Element Operators

Multigrid methods are popular for solving linear systems derived from di...

0 Jeremy L Thompson, et al. ∙

∙ 07/08/2021

Monolithic multigrid for a reduced-quadrature discretization of poroelasticity

Advanced finite-element discretizations and preconditioners for models o...

0 James H. Adler, et al. ∙

∙ 03/22/2021

Low-order preconditioning of the Stokes equations

Low-order finite-element discretizations are well-known to provide effec...

0 Alexey Voronin, et al. ∙

∙ 07/06/2020

Quantifying the asymptotic linear convergence speed of Anderson Acceleration applied to ADMM

We explain how Anderson Acceleration (AA) speeds up the Alternating Dire...

0 Dawei Wang, et al. ∙

∙ 07/04/2020

On the Asymptotic Linear Convergence Speed of Anderson Acceleration, Nesterov Acceleration, and Nonlinear GMRES

We consider nonlinear convergence acceleration methods for fixed-point i...

0 Hans De Sterck, et al. ∙

∙ 06/19/2020

Local Fourier analysis of multigrid for hybridized and embedded discontinuous Galerkin methods

In this paper we present a geometric multigrid method with Jacobi and Va...

0 Yunhui He, et al. ∙

∙ 01/03/2020

Tuning Multigrid Methods with Robust Optimization

Local Fourier analysis is a useful tool for predicting and analyzing the...

0 Jed Brown, et al. ∙

∙ 08/26/2019

A local Fourier analysis of additive Vanka relaxation for the Stokes equations

Multigrid methods are popular solution algorithms for many discretized P...

0 Patrick E. Farrell, et al. ∙