Articles with "external force" as a keyword



Gas‐kinetic unified algorithm for plane external force‐driven flows covering all flow regimes by modeling of Boltzmann equation

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Published in 2020 at "International Journal for Numerical Methods in Fluids"

DOI: 10.1002/fld.4812

Abstract: The nonequilibrium steady gas flows under the external forces are essentially associated with some extremely complicated nonlinear dynamics, due to the acceleration or deceleration effects of the external forces on the gas molecules by the… read more here.

Keywords: gas kinetic; equation; external force; force ... See more keywords

A Numerical Investigation of the Pinning Phenomenon in Quasi-Periodic Frenkel Kontrova Model Under an External Force

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Published in 2018 at "Journal of Statistical Physics"

DOI: 10.1007/s10955-018-2132-8

Abstract: We perform a numerical study on Frenkel–Kontrova (FK) models in quasi-periodic media subject to a constant external force. The quasi-periodic FK models appear in several physical problems such as deposition, spin waves in 1-D, planar… read more here.

Keywords: phenomenon; external force; frenkel kontrova; force ... See more keywords

Modeling and Simulation of a Dual Arm Robot During the Compensation of an External Force

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Published in 2018 at "Arabian Journal for Science and Engineering"

DOI: 10.1007/s13369-018-3089-2

Abstract: In this paper, we rely on the equivalent dynamic approach to compensate external forces applied to the upper part of the robot. This study allows us to determine on-line the required movements and accelerations of… read more here.

Keywords: external force; compensation; robot; simulation ... See more keywords

External Force Field for Protein Folding in Chaperonins—Potential Application in In Silico Protein Folding

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Published in 2024 at "ACS Omega"

DOI: 10.1021/acsomega.4c00409

Abstract: The present study discusses the influence of the TRiC chaperonin involved in the folding of the component of reovirus mu1/σ3. The TRiC chaperone is treated as a provider of a specific external force field in… read more here.

Keywords: force field; external force; protein folding;
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Active control of the transmission of Lamb waves through an elastic metamaterial

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Published in 2020 at "Journal of Applied Physics"

DOI: 10.1063/5.0017526

Abstract: We have numerically investigated the transmission of an antisymmetric Lamb wave through a line of silicon pillars erected onto a homogeneous silicon plate when the frequency is tuned to a resonant frequency of the pillars.… read more here.

Keywords: external force; transmission; lamb; control transmission ... See more keywords

Structural stability of transonic shocks for the full compressible Euler system in a two-dimensional general nozzle with an external force

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Published in 2024 at "Journal of Mathematical Physics"

DOI: 10.1063/5.0218852

Abstract: In this paper, we investigate the transonic shock solutions to the full compressible Euler system in a general two-dimensional nozzle with an external force. In their book, Courant and Friedrichs [Supersonic Flow and Shock Waves… read more here.

Keywords: shock; external force; euler system;

Dissipative particle dynamics simulation of proposed artificial filament contraction mechanism using variable external force inspired by nature

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Published in 2024 at "Molecular Simulation"

DOI: 10.1080/08927022.2024.2356008

Abstract: ABSTRACT In this numerical research, the proposed mechanism of contraction of an artificial muscle filament with regard to the performance of a natural filament and the possibility of industrial production is presented using the Dissipative… read more here.

Keywords: external force; contraction; particle dynamics; force ... See more keywords

Sharp conditions for energy balance in two-dimensional incompressible ideal flow with external force

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Published in 2024 at "Nonlinearity"

DOI: 10.1088/1361-6544/add4b6

Abstract: Smooth solutions of the forced incompressible Euler equations satisfy an energy balance, where the rate-of-change in time of the kinetic energy equals the work done by the force per unit time. Interesting phenomena such as… read more here.

Keywords: two dimensional; energy balance; external force; energy ... See more keywords

Periodic and chaotic behaviors of a compound pendulum driven by a horizontal periodic external force

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Published in 2024 at "Physica Scripta"

DOI: 10.1088/1402-4896/ad9a1d

Abstract: Based on the oscillation experiments of a compound pendulum driven by a horizontal periodic external force, a nonlinear dynamical model is established and studied numerically. The periodic, quasiperiodic and chaotic orbits are found in the… read more here.

Keywords: external force; horizontal periodic; compound pendulum; pendulum driven ... See more keywords

Enhancement of the group delay in quadratic coupling optomechanical systems subjected to an external force

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Published in 2023 at "Chinese Physics B"

DOI: 10.1088/1674-1056/accc80

Abstract: We theoretically study the effect of the quadratic coupling strength on optomechanical systems subjected to a continuous external force. Quadratic coupling strength originates from strong coupling between the optical and the mechanical degrees of freedom.… read more here.

Keywords: external force; optomechanical systems; coupling strength; quadratic coupling ... See more keywords

Nariai spacetime: Orbits, scalar self-force, and Poynting-Robertson-like external force

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Published in 2025 at "Physical Review D"

DOI: 10.1103/physrevd.111.104051

Abstract: After studying properties of the Nariai solution, including its geodesics, in spherical and de Sitter coordinates, two kinds of accelerated motion are investigated in detail: either observers at rest with respect to the coordinates, or… read more here.

Keywords: external force; force; self force; poynting robertson ... See more keywords