Results 61 to 70 of about 1,908 (194)
European Journal of Organic Chemistry, Volume 29, Issue 19, 22 May 2026.A microwave‐enhanced sustainable and versatile approach to substituted benzofurans from 2‐alkynylanisoles enabled by an active Brønsted acidic deep eutectic solvent. The research on alternative media for organic transformations remains a highly demanding topic.
Alessandra Gritti +9 more
wiley +1 more source
Integrating ecological feedbacks across scales and levels of organization
Ecography, Volume 2026, Issue 5, May 2026.In ecosystems, species interact in various ways with other species, and with their local environment. In addition, ecosystems are coupled in space by diverse types of flows. From these links connecting different ecological entities can emerge circular pathways of indirect effects: feedback loops.
Benoît Pichon +4 more
wiley +1 more source
Shallow-water acoustic analysis with an accelerated isogeometric boundary element approach
Applied Ocean ResearchUnderwater acoustic modeling plays a crucial role in marine engineering applications, especially in shallow-water environments where complex boundary interactions dominate sound propagation. Traditional numerical approaches like the finite element method
Yongsong Li +4 more
doaj +1 more source
Free In-Plane Vibration Analysis of Circular, Annular, and Sector Plates Using Isogeometric Approach
Shock and Vibration, 2018 The in-plane free vibration of sector, annular, and circular plates is investigated by isogeometric finite element approach on the basis of nonuniform rational B-spline (NURBS) basis functions. Under the current framework, both the displacement field and
Xiaohui Qin +3 more
doaj +1 more source
International Journal for Numerical Methods in Fluids, Volume 98, Issue 4, Page 448-468, April 2026.The proposed work implements a direct flux reconstruction method for spatial discretization and a stiffness‐resilient exponential time integration method for temporal discretization on the cube‐sphere grid. A space‐time tensor formalism is employed to provide a general representation in any curvilinear coordinate system. This combination enables highly
Stéphane Gaudreault +6 more
wiley +1 more source
Journal of Aerospace Technology and Management, 2018 This study takes a Jacobian-free approach based on the Arnoldi iteration to present a method to perform hydrodynamic instability analysis based on Direct Numerical Simulations.
Marlon Sproesser Mathias +1 more
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estar: An R package to measure ecological stability
Methods in Ecology and Evolution, Volume 17, Issue 4, Page 1090-1100, April 2026.Abstract Assessing ecological stability is a key task in biodiversity monitoring and conservation. Quantifying stability is not trivial because its different aspects can be measured with various properties. However, to date, no software enables measuring different stability properties on ecological time‐series data.
Ludmilla Figueiredo +6 more
wiley +1 more source
An Arnoldi-Extrapolation algorithm for computing PageRank
, 2010 The Arnoldi-type algorithm proposed by Golub and Greif [G. Golub, C. Greif, An Arnoldi-type algorithm for computing PageRank, BIT 46 (2006) 759–771] is a restarted Krylov subspace method for computing PageRank.
Wei, Yimin, Wu, Gang
core +1 more source
IMPLEMENTATION OF THE PARALLEL ARNOLDI METHOD IN THE IBM SP2 DISTRIBUTED MEMORY SYSTEM
TASK Quarterly, 1997 The following article discusses the Implicitly Restarted Arnoldi Method used for solving large sparse eigenvalue problems. It presents the parallel implementation of this algorithm for a distributed memory architecture developed by Maschhoff and ...
MICHAŁ REWIEŃSKI
doaj
A reduced-order boundary element method for two-dimensional acoustic scattering
Frontiers in PhysicsThis study presents a novel method for wideband acoustic analysis using the Boundary Element Method (BEM), addressing significant computational challenges. Traditional BEM requires repetitive computations across different frequencies due to the frequency-
Senhao Zhong +4 more
doaj +1 more source