Articles with "nonlinear effects" as a keyword



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THz Induced Nonlinear Effects in Materials at Intensities above 26 GW/cm2

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Published in 2018 at "Journal of Infrared, Millimeter, and Terahertz Waves"

DOI: 10.1007/s10762-018-0493-3

Abstract: Nonlinear refractive index and absorption coefficient are measured for common semiconductor material such as silicon and organic molecule such as lactose in the terahertz (THz) spectral regime extending from 0.1 to 3 THz. Terahertz pulses… read more here.

Keywords: nonlinear effects; thz; induced nonlinear; thz induced ... See more keywords

On the nonlinear effects of the mean wind force on the galloping onset in shallow cables

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Published in 2020 at "Nonlinear Dynamics"

DOI: 10.1007/s11071-020-05886-y

Abstract: The critical aeroelastic behavior of horizontal, suspended, and shallow cables is analyzed via a continuous model accounting for both external and internal damping. Quasi-steady aerodynamic forces are considered, including their stationary contribution (mean wind force).… read more here.

Keywords: shallow cables; galloping onset; mean wind; nonlinear effects ... See more keywords
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Nonlinear effects in fracture induced failure of compressively loaded fiber reinforced composites

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Published in 2018 at "Composite Structures"

DOI: 10.1016/j.compstruct.2018.01.014

Abstract: Abstract The present paper deals with the macroscopic compressive failure of periodic elastic fiber reinforced composites related to local buckling instabilities promoted by matrix or fiber/matrix micro-cracks under unilateral self-contact. The theoretical modeling of instability… read more here.

Keywords: nonlinear effects; fiber reinforced; fiber; deformation ... See more keywords
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Nonlinear effects in the vibrations of flexural tensegrity beams

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Published in 2021 at "International Journal of Non-linear Mechanics"

DOI: 10.1016/j.ijnonlinmec.2020.103616

Abstract: Abstract Flexural tensegrity is a structural principle for which the integrity under flexure of a beam formed by a chain of segments in unilateral contact is provided by an unbonded prestressing tendon anchored to the… read more here.

Keywords: vibrations flexural; nonlinear effects; tensegrity beams; flexural tensegrity ... See more keywords
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Modeling and study of nonlinear effects in electrodynamic shakers

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Published in 2017 at "Mechanical Systems and Signal Processing"

DOI: 10.1016/j.ymssp.2016.07.025

Abstract: Abstract An electrodynamic shaker is inherently a nonlinear electro-mechanical system. In this work, we have developed a lumped parameter model for the entire electromechanical system, developed an approach to non-destructively determine these parameters, and predict… read more here.

Keywords: response; response shaker; nonlinear effects; shaker ... See more keywords
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Nonlinear effects of bolted flange connections in aeroengine casing assemblies

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Published in 2022 at "Mechanical Systems and Signal Processing"

DOI: 10.1016/j.ymssp.2021.108433

Abstract: Abstract Aeroengine manufacturers face fundamental limitations when correlating experimental dynamic analysis with finite element method models. The source of inconsistency between model predictions and experimental test data can be attributed to nonlinear behaviour at the… read more here.

Keywords: nonlinear effects; model; bolted flange; casing assemblies ... See more keywords
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Nonlinear Effects in Asymmetric Catalysis by Design: Concept, Synthesis, and Applications.

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Published in 2022 at "Accounts of chemical research"

DOI: 10.1021/acs.accounts.2c00557

Abstract: ConspectusAsymmetric synthesis constitutes a key technology for the preparation of enantiomerically pure compounds as well as for the selective control of individual stereocenters in the synthesis of complex compounds. It is thus of extraordinary importance… read more here.

Keywords: catalysis; nonlinear effects; synthesis; design ... See more keywords
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Regression models involving nonlinear effects with missing data: A sequential modeling approach using Bayesian estimation.

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Published in 2019 at "Psychological methods"

DOI: 10.1037/met0000233

Abstract: When estimating multiple regression models with incomplete predictor variables, it is necessary to specify a joint distribution for the predictor variables. A convenient assumption is that this distribution is a joint normal distribution, the default… read more here.

Keywords: sequential modeling; nonlinear effects; regression models; modeling approach ... See more keywords
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Nonlinear Effects in Black Hole Ringdown.

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Published in 2022 at "Physical review letters"

DOI: 10.1103/physrevlett.130.081401

Abstract: We report evidence for nonlinear modes in the ringdown stage of the gravitational waveform produced by the merger of two comparable-mass black holes. We consider both the coalescence of black hole binaries in quasicircular orbits… read more here.

Keywords: hole ringdown; effects black; black hole; nonlinear effects ... See more keywords
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Nonlinear Effects of SiO 2 Layers in Bulk Acoustic Wave Resonators

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Published in 2018 at "IEEE Transactions on Microwave Theory and Techniques"

DOI: 10.1109/tmtt.2017.2783377

Abstract: This paper presents the development of a comprehensive distributed circuit model to account for the existing nonlinear effects in bulk acoustic wave (BAW) resonators. The comprehensiveness of the model and its distributed implementation allow for… read more here.

Keywords: acoustic wave; nonlinear effects; layer; effects sio ... See more keywords
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Nonlinear Effects in NOMA-OFDM Systems: Analytical Signal Characterization and Receiver Design

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Published in 2023 at "IEEE Transactions on Vehicular Technology"

DOI: 10.1109/tvt.2022.3221695

Abstract: Non orthogonal multiple access (NOMA) is being considered a key technology for future communications. In this paper, we provide an analytical characterization of downlink NOMA orthogonal frequency-division multiplexing (OFDM) in presence of nonlinear effects associated… read more here.

Keywords: noma ofdm; nonlinear effects; systems analytical; effects noma ... See more keywords