Results 181 to 190 of about 411 (241)
Implementation of a high-order spatial discretization into a finite volume solver: Applications to turbomachinery test cases using an eddy-viscosity turbulence closure. [PDF]
Rosafio N, Salvadori S, Misul DA.
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Combining Multiple Genetic Estimates of Ne
ABSTRACT Researchers often use multiple genetic methods to estimate contemporary effective population size (Ne), but few formally combine estimates despite potential benefits for increasing precision. Maximising benefits requires an optimal, inverse‐variance weighting scheme.
Robin S. Waples
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ABSTRACT Three hundred and eighteen in‐service teachers from Greece, Cyprus, Romania and Hungary participated in a professional training program aimed at promoting their metacognitive and epistemic thinking and practices, with argumentation as a prominent teaching practice.
Kalypso Iordanou +9 more
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ABSTRACT While scholars have often debated the outcomes of partnership strategy, they have rarely studied the conditions in which trade unions opt to pursue partnerships, especially social partnerships in liberal market economies (‘LMEs’). By comparing five trade unions' social partnership responses in the US‐American and English healthcare systems ...
Nick Krachler
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ABSTRACT The contribution deals with algebraic multigrid (AMG) based preconditioning methods for the iterative solution of a coupled linear system of equations arising in numerical simulations of failure of quasi‐brittle materials using generalized continuum approaches.
Nasser Alkmim +4 more
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Abstract We examine the relationship between the El Niño‐Southern Oscillation (ENSO) and extensive wildfire area burned from 1984 to 2022 in nine contiguous United States Geographic Area Coordination Centers (GACCs). The La Niña and El Niño phases of ENSO significantly alter the chances of extensive area burned in several GACCs up to 12 months in ...
Andrew Hoell +5 more
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Abstract Resolving the mixture of natural plasma waves and persistent spacecraft interference is a fundamental challenge in space physics, as it obstructs the analysis of wave‐particle interactions and energy transport processes. Traditional signal decomposition methods often fail to adequately separate these components due to their time‐varying ...
Fulin Shi +6 more
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Accelerating Conjugate Gradient Solvers for Homogenization Problems With Unitary Neural Operators
ABSTRACT Rapid and reliable solvers for parametric partial differential equations (PDEs) are needed in many scientific and engineering disciplines. For example, there is a growing demand for composites and architected materials with heterogeneous microstructures.
Julius Herb, Felix Fritzen
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Iterative Substructuring Preconditioners for Mortar Element Methods in Two Dimensions
SIAM Journal on Numerical Analysis, 1999The paper is devoted to the construction of effective model grid operators (preconditioners) for classes of linear grid systems with positive operators. The suggested constructions lead to estimates of the spectral condition number like \(O(\log^2N)\); the model operators are almost spectrally equivalent to the original ones.
Achdou, Yves, Maday, Yvon, Widlund, Olof
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