Articles with "finite size" as a keyword



Characterization of the structure and cross‐shore transport properties of a coastal upwelling filament using three‐dimensional finite‐size Lyapunov exponents

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Published in 2017 at "Journal of Geophysical Research"

DOI: 10.1002/2017jc012700

Abstract: The three dimensional structure, dynamics and dispersion characteristics of a simulated upwelling filament in the Iberian upwelling system are analyzed using Lagrangian tools. We used a realistic regional simulation of the western Iberian shelf which… read more here.

Keywords: three dimensional; finite size; size lyapunov; upwelling filament ... See more keywords

Low Mach, compressibility, and finite size effects of localized uniform heat sources in a gas

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Published in 2019 at "Theoretical and Computational Fluid Dynamics"

DOI: 10.1007/s00162-019-00496-w

Abstract: The temporal evolution of the initial shock front and the low Mach regime produced behind the front due to the sudden introduction of a spherical, finite-size, low Biot number, uniformly heated energy source in a… read more here.

Keywords: size effects; compressibility finite; finite size; low mach ... See more keywords

N3−$_{3}^{-}$ azide anion confined inside finite-size carbon nanotubes

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Published in 2017 at "Journal of Molecular Modeling"

DOI: 10.1007/s00894-017-3468-8

Abstract: In this work, the confinement of an N3−$_{3}^{-}$ azide anion inside finite-size single-wall zigzag and armchair carbon nanotubes of different diameters has been studied by wave function and density functional theory. Unrelaxed and relaxed interaction… read more here.

Keywords: finite size; carbon; carbon nanotubes; azide anion ... See more keywords

Finite size effects around pseudo-transition in one-dimensional models with nearest neighbor interaction

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Published in 2021 at "Chinese Journal of Physics"

DOI: 10.1016/j.cjph.2021.01.002

Abstract: Abstract Recently gigantic peaks in thermodynamic response functions have been observed at finite temperature for one-dimensional models with short-range coupling, closely resembling a second-order phase transition. Thus, we will analyze the finite temperature pseudo-transition property… read more here.

Keywords: size effects; dimensional models; finite size; one dimensional ... See more keywords
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Sedimentation of finite-size particles in quiescent wall-bounded shear-thinning and Newtonian fluids

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Published in 2020 at "International Journal of Multiphase Flow"

DOI: 10.1016/j.ijmultiphaseflow.2020.103291

Abstract: Abstract We study the sedimentation of finite-size particles in quiescent wall-bounded Newtonian and shear-thinning fluids by interface resolved numerical simulations. The suspended phase consists of Non-Brownian rigid spherical particles with particle to fluid density ratio… read more here.

Keywords: finite size; size particles; sedimentation finite; particle ... See more keywords

Magnetic finite size effects, coercive field and irreversibility in sintered (1-x)BaTiO3–xCoFe2O4 nano-composites

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Published in 2020 at "Materials Chemistry and Physics"

DOI: 10.1016/j.matchemphys.2020.122757

Abstract: Abstract We present detailed magnetic properties of (1-x)BaTiO3–xCoFe2O4 (x = 1, 0.5, 0.4, 0.3, 0.2, 0.1, 0.75, 0.05, 0.025) nanocomposites, synthesized through multiple-step chemical synthesis technique. Stepwise synthesis and structural optimization of composites include oxalate route synthesis… read more here.

Keywords: finite size; temperature; batio3 xcofe2o4; magnetic properties ... See more keywords

Parameterization of turbulence modulation by finite-size solid particles in forced homogeneous isotropic turbulence

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Published in 2023 at "Journal of Fluid Mechanics"

DOI: 10.1017/jfm.2023.317

Abstract: Abstract Turbulence modulation by finite-size particles in homogeneous isotropic turbulence (HIT) has been investigated numerically and experimentally in many studies, but its controlling parameters are not fully clear. In this work, four non-dimensional parameters governing… read more here.

Keywords: modulation; finite size; turbulence; turbulence modulation ... See more keywords

How to Compute Density Fluctuations at the Nanoscale

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Published in 2024 at "Journal of Chemical Theory and Computation"

DOI: 10.1021/acs.jctc.4c01047

Abstract: The standard definition of particle number fluctuations based on point-like particles neglects the excluded volume effect. This leads to a large and systematic finite-size scaling and an unphysical surface term in the isothermal compressibility. We… read more here.

Keywords: size; compute density; finite size; density fluctuations ... See more keywords

Optimized Auxiliary Functions for Robust Mitigation of Finite-Size Errors in Periodic Hybrid Density Functional Theory.

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Published in 2025 at "Journal of chemical theory and computation"

DOI: 10.1021/acs.jctc.5c01066

Abstract: When calculating properties of periodic systems at the thermodynamic limit (TDL), the dominant source of finite size error (FSE) arises from the long-range Coulomb interaction, and can manifest as a slowly converging quadrature error when… read more here.

Keywords: hybrid density; auxiliary functions; finite size; functional theory ... See more keywords

Finite-size charged species diffusion and pH change in nanochannels.

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Published in 2020 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.9b19182

Abstract: Molecular transport through nanofluidic structures exhibits properties that are unique at the nanoscale. The high surface-to-volume ratio of nanometer-sized confined spaces renders particle interactions with the surface of central importance. The electrical double layer (EDL)… read more here.

Keywords: finite size; size charged; change; transport ... See more keywords

Finite-size correction scheme for supercell calculations in Dirac-point two-dimensional materials

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Published in 2018 at "Scientific Reports"

DOI: 10.1038/s41598-018-27632-6

Abstract: Modern electronic structure calculations are predominantly implemented within the super cell representation in which unit cells are periodically arranged in space. Even in the case of non-crystalline materials, defect-embedded unit cells are commonly used to… read more here.

Keywords: finite size; unit; size correction; unit cells ... See more keywords