A proof that Anderson acceleration improves the convergence rate in linearly converging fixed-point methods (but not in those converging quadratically)

C Evans, S Pollock, LG Rebholz, M **ao - SIAM Journal on Numerical …, 2020 - SIAM
This paper provides theoretical justification that Anderson acceleration (AA) improves the
convergence rate of contractive fixed-point iterations in the vicinity of a fixed-point. AA has …

Optimizing the design of a serpentine microchannel based on particles focusing and separation: A numerical study with experimental validation

S Ebrahimi, M Alishiri, A Shamloo, E Pishbin… - Sensors and Actuators A …, 2023 - Elsevier
Cell-based diagnosis and the introduction of personalized drugs are key factors, motivating
researchers to discover an efficacious tool for effective cell isolation. Optimal systems were …

Anderson acceleration for contractive and noncontractive operators

S Pollock, LG Rebholz - IMA Journal of Numerical Analysis, 2021 - academic.oup.com
A one-step analysis of Anderson acceleration with general algorithmic depths is presented.
The resulting residual bounds within both contractive and noncontractive settings reveal the …

The effect of Anderson acceleration on superlinear and sublinear convergence

LG Rebholz, M **ao - Journal of Scientific Computing, 2023 - Springer
This paper considers the effect of Anderson acceleration (AA) on the convergence order of
nonlinear solvers in fixed point form xk+ 1= g (xk), that are looking for a fixed point x∗ of g …

Targeted pulmonary drug delivery in coronavirus disease (COVID-19) therapy: A patient-specific in silico study based on magnetic nanoparticles-coated microcarriers …

S Ebrahimi, A Shamloo, M Alishiri, YM Mofrad… - International journal of …, 2021 - Elsevier
Since the beginning of the COVID-19 pandemic, nearly most confirmed cases develop
respiratory syndromes. Using targeted drug delivery by microcarriers is one of the most …

Filtering for Anderson acceleration

S Pollock, LG Rebholz - SIAM Journal on Scientific Computing, 2023 - SIAM
This work introduces, analyzes, and demonstrates an efficient and theoretically sound
filtering strategy to ensure the condition of the least-squares problem solved at each iteration …

Development of an efficient tightly coupled method for multiphysics reactor transient analysis

JP Senecal, W Ji - Progress in Nuclear Energy, 2018 - Elsevier
Picard Iteration is a widely used coupling method for multiphysics simulations. This method
allows one to directly leverage existing and well-developed single-physics programs without …

[LIBRO][B] Solving Nonlinear Equations with Iterative Methods: Solvers and Examples in Julia

CT Kelley - 2022 - SIAM
This book on solvers for nonlinear equations is a user-oriented guide to algorithms and
implementation. It is a sequel to [111], which used MATLAB for the solvers and examples …

Numerical methods for nonlinear equations

CT Kelley - Acta Numerica, 2018 - cambridge.org
This article is about numerical methods for the solution of nonlinear equations. We consider
both the fixed-point form and explain why both versions are necessary to understand the …

An assessment of coupling algorithms for nuclear reactor core physics simulations

S Hamilton, M Berrill, K Clarno, R Pawlowski… - Journal of …, 2016 - Elsevier
This paper evaluates the performance of multiphysics coupling algorithms applied to a light
water nuclear reactor core simulation. The simulation couples the k-eigenvalue form of the …