Articles with "normal mode" as a keyword



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Mixing and Formation of Layers by Internal Wave Forcing: MIXING INDUCED BY A NORMAL MODE

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Published in 2017 at "Journal of Geophysical Research"

DOI: 10.1002/2017jc013309

Abstract: The energy pathways from propagating internal waves to the scales of irreversible mixing in the ocean are not fully described. In the ocean interior, the triadic resonant instability is an intrinsic destabilization process that may… read more here.

Keywords: energy; normal mode; internal wave; formation ... See more keywords
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Normal‐Mode Splitting in a Weakly Coupled Electromechanical System with a Mechanical Modulation

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Published in 2019 at "Annalen der Physik"

DOI: 10.1002/andp.201800461

Abstract: Normal‐mode splitting (NMS) is one of the most significant manifestations of strongly coupled systems. Here, NMS is shown to occur in a weakly coupled electromechanical system. In this system, an exponentially enhanced electromechanical coupling is… read more here.

Keywords: mode splitting; system; weakly coupled; coupled electromechanical ... See more keywords
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A systematic benchmarking of computational vibrational spectroscopy with DFTB3: Normal mode analysis and fast Fourier transform dipole autocorrelation function

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Published in 2018 at "Journal of Computational Chemistry"

DOI: 10.1002/jcc.25390

Abstract: Computational vibrational spectroscopy serves as an important tool in the interpretation of experimental infrared (IR) spectra. In this article, we present a systematic benchmarking study of DFTB3 with two different computational vibrational spectroscopic methods, based… read more here.

Keywords: normal mode; dftb3; systematic benchmarking; vibrational spectroscopy ... See more keywords
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Controllable Bistability and Normal Mode Splitting in an Optomechanical System Assisted by an Atomic Ensemble

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Published in 2017 at "International Journal of Theoretical Physics"

DOI: 10.1007/s10773-017-3303-0

Abstract: We consider a system consisting of a standard optomechanical cavity and a trapped atomic ensemble. In such a system, we mainly focus on the features of optomechanical bistability and normal mode splitting with the presence… read more here.

Keywords: mode splitting; normal mode; cavity; atomic ensemble ... See more keywords
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A Non-normal-Mode Marginal State of Convection in a Porous Rectangle

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Published in 2019 at "Transport in Porous Media"

DOI: 10.1007/s11242-019-01263-5

Abstract: The fourth-order Darcy–Bénard eigenvalue problem for onset of thermal convection in a 2D rectangular porous box is investigated. The conventional type of solution has normal-mode dependency in at least one of the two spatial directions.… read more here.

Keywords: mode marginal; non normal; normal mode; state convection ... See more keywords
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Oscillatory Non-normal-Mode Onset of Convection in a Porous Rectangle

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Published in 2019 at "Transport in Porous Media"

DOI: 10.1007/s11242-019-01314-x

Abstract: A special case of the fourth-order Darcy–Bénard problem in a two-dimensional (2D) rectangular porous box is investigated. The present eigenfunctions are of non-normal-mode type in the horizontal and vertical directions. They compose a time-periodic wave… read more here.

Keywords: hand wall; porous rectangle; non normal; normal mode ... See more keywords
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Normal mode analysis of rubble-pile asteroids using a discrete element method

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Published in 2019 at "Icarus"

DOI: 10.1016/j.icarus.2018.12.011

Abstract: Abstract Seismic shaking of small bodies has an important role in revealing information about internal structure and contributing to our understanding of microgravity geology. Since many small asteroids are likely to be rubble piles, it… read more here.

Keywords: mode analysis; rubble pile; normal mode;
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Persistent Protein Motions in a Rugged Energy Landscape Revealed by Normal Mode Ensemble Analysis

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Published in 2020 at "Journal of chemical information and modeling"

DOI: 10.1021/acs.jcim.0c00879

Abstract: Proteins are allosteric machines that couple motions at distinct, often distant, sites to control biological function. Low-frequency structural vibrations are a mechanism of this long-distance connection and are often used computationally to predict correlations, but… read more here.

Keywords: frequency; energy landscape; normal mode;
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Local Normal Mode Analysis for Fast Loop Conformational Sampling

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Published in 2022 at "Journal of Chemical Information and Modeling"

DOI: 10.1021/acs.jcim.2c00870

Abstract: We propose and validate a novel method to efficiently explore local protein loop conformations based on a new formalism for constrained normal mode analysis (NMA) in internal coordinates. The manifold of possible loop configurations imposed… read more here.

Keywords: normal mode; analysis fast; mode analysis; local normal ... See more keywords
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Only a Subset of Normal Modes is Sufficient to Identify Linear Correlations in Proteins

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Published in 2018 at "Journal of chemical information and modeling"

DOI: 10.1021/acs.jcim.8b00486

Abstract: Identification of correlated residues in proteins is very important for many areas of protein research such as drug design, protein domain classification, signal transmission, allostery and mutational studies. Pairwise residue correlations in proteins can be… read more here.

Keywords: mode analysis; normal mode; correlations proteins; residue correlations ... See more keywords
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Heterogeneous Rouse Model Predicts Polymer Chain Translational Normal Mode Decoupling

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Published in 2018 at "Macromolecules"

DOI: 10.1021/acs.macromol.8b00135

Abstract: It has been known for 50 years that polymers exhibit chain normal mode decoupling upon approach to the glass transition, with chain dynamics exhibiting a weaker temperature dependence than segmental dynamics. Inspired by Sokolov and… read more here.

Keywords: chain; rouse model; mode decoupling; normal mode ... See more keywords