Articles with "homogenization" as a keyword



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Contribution of non‐native plants to the phylogenetic homogenization of U.S. yard floras

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Published in 2019 at "Ecosphere"

DOI: 10.1002/ecs2.2638

Abstract: Cultivation and spread of non‐native plant species may result in either phylogenetic homogenization (increasing similarity) or differentiation (decreasing similarity) of urban floras. However, it is unknown how non‐native species influence homogenization of cultivated versus spontaneously… read more here.

Keywords: homogenization; non native; phylogenetic homogenization; yard floras ... See more keywords
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Hitting Reset on Sediment Toxicity: Sediment Homogenization Alters the Toxicity of Metal‐Amended Sediments

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Published in 2019 at "Environmental Toxicology and Chemistry"

DOI: 10.1002/etc.4512

Abstract: Laboratory testing of sediments frequently involves manipulation by amendment with contaminants and homogenization, which changes the physicochemical structure of sediments. These changes can influence the bioavailability of divalent metals, and field and mesocosm experiments have… read more here.

Keywords: homogenization; toxicity; metal amended; amended sediments ... See more keywords
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The influence of station density on climate data homogenization

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Published in 2017 at "International Journal of Climatology"

DOI: 10.1002/joc.5114

Abstract: Relative homogenization methods assume that measurements of nearby stations experience similar climate signals and rely therefore on dense station networks with high-temporal correlations. In developing countries such as Peru, however, networks often suffer from low-station… read more here.

Keywords: station density; homer; homogenization; climate ... See more keywords
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On the reduction of trend errors by the ANOVA joint correction scheme used in homogenization of climate station records

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Published in 2018 at "International Journal of Climatology"

DOI: 10.1002/joc.5728

Abstract: Inhomogeneities in climate data are the main source of uncertainty for secular warming estimates. To reduce the influence of inhomogeneities in station data statistical homogenization compares a candidate station to its neighbors to detect and… read more here.

Keywords: station; joint correction; anova joint; trend ... See more keywords
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A note on the homogenization of incommensurate thin films

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Published in 2022 at "Mathematical Methods in the Applied Sciences"

DOI: 10.1002/mma.9418

Abstract: Dimension-reduction homogenization results for thin films have been obtained under hypotheses of periodicity or almost-periodicity of the energies in the directions of the mid-plane of the film. In this note we consider thin films, obtained… read more here.

Keywords: note homogenization; periodicity; incommensurate thin; thin films ... See more keywords
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On bounded approximations of periodicity for computational homogenization of Stokes flow in porous media

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Published in 2017 at "International Journal for Numerical Methods in Engineering"

DOI: 10.1002/nme.5281

Abstract: By separation of scales and the homogenization of a flow through porous media, a two-scale problem arises where a Darcy-type flow is present on the macroscale and a Stokes flow on the subscale. In this… read more here.

Keywords: periodicity; flow porous; bounded approximations; homogenization ... See more keywords
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A computational homogenization approach for limit analysis of heterogeneous materials

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Published in 2017 at "International Journal for Numerical Methods in Engineering"

DOI: 10.1002/nme.5561

Abstract: Summary The macroscopic strength domain and failure mode of heterogeneous or composite materials can be quantitatively determined by solving an auxiliary limit analysis problem formulated on a periodic representative volume element. In this paper, a… read more here.

Keywords: homogenization; limit; limit analysis; problem formulated ... See more keywords
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Bounds on the effective response for gradient crystal inelasticity based on homogenization and virtual testing

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Published in 2019 at "International Journal for Numerical Methods in Engineering"

DOI: 10.1002/nme.6050

Abstract: This paper presents the application of variationally consistent selective homogenization applied to a polycrystal with a subscale model of gradient-enhanced crystal inelasticity. Although the full gradient problem is solved on Statistical Volume Elements (SVEs), the… read more here.

Keywords: virtual testing; crystal inelasticity; homogenization; bounds effective ... See more keywords
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Goal‐oriented adaptivity based on a model hierarchy of mean‐field and full‐field homogenization methods in linear elasticity

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Published in 2019 at "International Journal for Numerical Methods in Engineering"

DOI: 10.1002/nme.6209

Abstract: Homogenization methods are drawing increasing attention for simulation of heterogeneous materials like composites. For balancing the accuracy and the numerical efficiency of such strategies, we deal with both model and discretization errors of the finite… read more here.

Keywords: field; homogenization methods; model hierarchy; homogenization ... See more keywords
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An FFT‐based method for computing weighted minimal surfaces in microstructures with applications to the computational homogenization of brittle fracture

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Published in 2019 at "International Journal for Numerical Methods in Engineering"

DOI: 10.1002/nme.6270

Abstract: Cell formulae for the effective crack resistance of a heterogeneous medium obeying Francfort‐Marigo's formulation of linear elastic fracture mechanics have been proved recently, both in the context of periodic and stochastic homogenization. This work proposes… read more here.

Keywords: homogenization; method computing; fft based; fracture ... See more keywords
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Homogenization of the Eigenvalues of the Neumann–Poincaré Operator

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Published in 2019 at "Archive for Rational Mechanics and Analysis"

DOI: 10.1007/s00205-019-01402-8

Abstract: In this article, we investigate the spectrum of the Neumann–Poincaré operator $${{\mathcal {K}}}_\varepsilon ^*$$Kε∗ (or equivalently, that of the associated Poincaré variational operator $$T_\varepsilon $$Tε) associated to a periodic distribution of small inclusions with size… read more here.

Keywords: varepsilon; homogenization; neumann poincar; poincar operator ... See more keywords