Results 51 to 60 of about 481 (184)
Linear-Time Solution of 3D Magnetostatics With Aggregation-Based Algebraic Multigrid Solvers
IEEE AccessTwo different approaches for the linear-time solution of three-dimensional magnetostatic field problems encompassing large-scale linear systems with millions of degrees of freedom are presented.
Federico Moro +2 more
doaj +1 more source
Uniform Gas Flow Distribution into Several Partial Flows under Consideration of Closable Outlets
Chemie Ingenieur Technik, Volume 98, Issue 3, Page 70-77, March 2026.The uniform distribution of a gas flow into several partial flows poses a challenge in various technical fields. This study presents a static flow distributor design that ensures an equal distribution of an inlet gas flow regardless of the flow rate and the number of open outlets.
Nikolas Schmidt +3 more
wiley +1 more source
Reducing complexity of algebraic multigrid by aggregation
Numerical Linear Algebra with Applications, 2016 SummaryA typical approach to decrease computational costs and memory requirements of classical algebraic multigrid methods is to replace a conservative coarsening algorithm and short‐distance interpolation on a fixed number of fine levels by an aggressive coarsening with a long‐distance interpolation.
Serge Gratton +3 more
openaire +4 more sources
Multilevel acceleration of scattering-source iterations with application to electron transport
Nuclear Engineering and Technology, 2017 Acceleration/preconditioning strategies available in the SCEPTRE radiation transport code are described. A flexible transport synthetic acceleration (TSA) algorithm that uses a low-order discrete-ordinates (SN) or spherical-harmonics (PN) solve to ...
Clif Drumm, Wesley Fan
doaj +1 more source
WIREs Data Mining and Knowledge Discovery, Volume 16, Issue 1, March 2026.This systematic review maps 50 years of regression methodology, tracing its evolution from ridge stabilization and penalized estimation to Bayesian, ensemble, and explainable‐AI frameworks. The analysis reveals a unified progression toward interpretable, cross‐domain modeling that integrates statistical rigor, computational scalability, and epistemic ...
Michael Bendersky, Shimon Fridkin
wiley +1 more source
OpenFOAM iterative methods efficiency analysis for linear systems solving
Труды Института системного программирования РАН, 2018 Significant part of the computational work in numerical simulations of technical systems, physical phenomena and technological processes is solving of linear algebraic equations systems arising from the discretization of the corresponding differential or
I. K. Marchevsky, V. V. Puzikova
doaj
Light Weight Coarse Grid Aggregation for Smoothed Aggregation Algebraic Multigrid Solver
IEEE AccessThe smoothed aggregation algebraic multigrid (SA-AMG) method is one of the most efficient linear solvers for large sized problems. It creates smaller-sized matrices, which is called “coarse level matrices”, from the problem matrix and the ...
Akihiro Fujii +2 more
doaj +1 more source
A Jacobian‐Free Newton‐Krylov Method for Cell‐Centred Finite Volume Solid Mechanics
International Journal for Numerical Methods in Engineering, Volume 127, Issue 3, 15 February 2026.ABSTRACT This study proposes a Jacobian‐free Newton‐Krylov approach for finite‐volume solid mechanics. Traditional Newton‐based approaches require explicit Jacobian matrix formation and storage, which can be computationally expensive and memory‐intensive.
Philip Cardiff +3 more
wiley +1 more source
Parallel Algebraic Multigrids for Structural Mechanics [PDF]
SIAM Journal on Scientific Computing, 2006 This paper presents the results of a comparison of three parallel algebraic multigrid (AMG) preconditioners for structural mechanics applications. In particular, we are interested in investigating both the scalability and robustness of the preconditioners.
Brezina, M, Tong, C, Becker, R
openaire +1 more source
Concurrency and Computation: Practice and Experience, Volume 38, Issue 3, February 2026.ABSTRACT Task‐based programming interfaces introduce a paradigm in which computations are decomposed into fine‐grained units of work known as “tasks”. StarPU is a runtime system originally developed to support task‐based parallelism on on‐premise heterogeneous architectures by abstracting low‐level hardware details and efficiently managing resource ...
Vanderlei Munhoz +5 more
wiley +1 more source