A unified formulation of splitting-based implicit time integration schemes

S González-Pinto, D Hernández-Abreu… - Journal of …, 2022 - Elsevier
Splitting-based time integration approaches such as fractional step, alternating direction
implicit, operator splitting, and locally one dimensional methods partition the system of …

[HTML][HTML] W-methods to stabilize standard explicit Runge–Kutta methods in the time integration of advection–diffusion–reaction PDEs

S González-Pinto, D Hernández-Abreu… - … of Computational and …, 2017 - Elsevier
A technique to stabilize standard explicit Runge–Kutta methods by associating them with W-
methods is proposed. The main point to get the associated family of W-methods for a given …

Alternating directions implicit integration in a general linear method framework

A Sarshar, S Roberts, A Sandu - Journal of Computational and Applied …, 2021 - Elsevier
Abstract Alternating Directions Implicit (ADI) integration is an operator splitting approach to
solve parabolic and elliptic partial differential equations in multiple dimensions based on …

Preconditioning Sparse Matrices with Alternating and Multiplicative Operator Splittings

C Klein, R Strzodka - SIAM Journal on Scientific Computing, 2023 - SIAM
We present an algebraic framework for operator splitting preconditioners for general sparse
matrices. The framework leads to four different approaches: two with alternating splittings …

A comparison of one-step and two-step W-methods and peer methods with approximate matrix factorization

M Klinge, D Hernández-Abreu, R Weiner - Journal of Computational and …, 2021 - Elsevier
One-and Two-step W-methods and peer methods are considered combined with an
Approximate Matrix Factorization (AMF) for the numerical solution of large systems of stiff …

Algebraic, Block and Multiplicative Preconditioners based on Fast Tridiagonal Solves on GPUs

CJ Klein - 2023 - archiv.ub.uni-heidelberg.de
This thesis contributes to the field of sparse linear algebra, graph applications, and
preconditioners for Krylov iterative solvers of sparse linear equation systems, by providing a …

[PDF][PDF] Computational Science Laboratory Report CSL-TR-21-3 September 21, 2021

S González-Pinto, D Hernández-Abreu… - arXiv preprint arXiv …, 2021 - researchgate.net
Splitting-based time integration approaches such as fractional step, alternating direction
implicit, operator splitting, and locally one dimensional methods partition the system of …

[PDF][PDF] Computational Science Laboratory Report CSL-TR-21-3 March 4, 2021

S González-Pinto, D Hernández-Abreu… - arXiv preprint arXiv …, 2021 - researchgate.net
Splitting-based time integration approaches such as fractional steps, alternating direction
implicit, operator splitting, and locally one dimensional methods partition the system of …

[PDF][PDF] Two-step W-methods and peer methods with approximate matrix factorization

M Klinge - 2020 - opendata.uni-halle.de
In this PhD thesis, we consider initial value problems for systems of stiff ordinary differential
equations (ODEs) in the form y (t)= f (t, y (t)), y (t0)= y0∈ Rn, t∈[t0, te],(1.0. 1) with right-hand …

[PDF][PDF] Computational Science Laboratory Technical Report CSL-TR-19-1 October 18, 2019

A Sarshar, S Roberts, A Sandu - arXiv preprint arXiv:1902.00622, 2019 - researchgate.net
Abstract Alternating Directions Implicit (ADI) integration is an operator splitting approach to
solve parabolic and elliptic partial differential equations in multiple dimensions based on …