13 citations · 29 across the 13 of their papers we have counts for
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A novel multigrid method for elliptic distributed control problems
Yunhui He
Large linear systems of saddle-point type have arisen in a wide variety of applications throughout computational science and engineering. The discretizations of distributed control…
Novel mass-based multigrid relaxation schemes for the Stokes equations
Yunhui He
In this work, we propose three novel block-structured multigrid relaxation schemes based on distributive relaxation, Braess-Sarazin relaxation, and Uzawa relaxation, for solving th…
A note on using the mass matrix as a preconditioner for the Poisson equation
Chen Greif, Yunhui He
We show that the mass matrix derived from finite elements can be effectively used as a preconditioner for iteratively solving the linear system arising from finite-difference discr…
A closed-form multigrid smoothing factor for an additive Vanka-type smoother applied to the Poisson equation
Chen Greif, Yunhui He
We consider an additive Vanka-type smoother for the Poisson equation discretized by the standard finite difference centered scheme. Using local Fourier analysis, we derive analytic…
HSS(0): an Improved Hermitian/Skew-Hermitian Splitting Iteration
Chen Greif, Yunhui He
We propose an improved version of the Hermitian/skew-Hermitian splitting (HSS) iterative method, which we call HSS(0), to solve non-Hermitian linear systems with a positive definit…
Anderson Acceleration as a Krylov Method with Application to Asymptotic Convergence Analysis
Hans De Sterck, Yunhui He, Oliver A. Krzysik
Anderson acceleration (AA) is widely used for accelerating the convergence of nonlinear fixed-point methods , , but little is known about ho…