Absolute negative mobility of an inertial deformable particle under steady laminar flows.

IF 2.4 3区 物理与天体物理 Q1 Mathematics
Fu-Jun Lin, Jia-le Wu, Wei Lin, Jing-Jing Liao
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引用次数: 0

Abstract

The transport behavior of an inertial deformable particle in a two-dimensional steady laminar flow is numerically analyzed under the influence of a constant force and a periodic potential. By systematically adjusting parameters such as phase difference, target area, potential height, constant force, shape parameter, diffusion coefficient, and Stokes time, we analyze the effects on particle motion and the emergence of absolute negative mobility (ANM). Our results reveal that smaller target areas and moderate potential heights maximize ANM, while increased external force and extreme diffusion or inertia reduce it. We identify an optimal parameter range where negative mobility is most prominent, providing insights relevant to applications in fields like microfluidics and soft robotics.

稳定层流下惯性可变形粒子的绝对负迁移率。
对二维稳定层流中惯性变形粒子在恒力和周期势作用下的输运行为进行了数值分析。通过系统地调整相位差、靶面积、势高、恒力、形状参数、扩散系数和Stokes时间等参数,分析了它们对粒子运动和绝对负迁移率(ANM)产生的影响。研究结果表明,较小的目标区域和中等的势高可以最大化ANM,而增大的外力和极端的扩散或惯性则会降低ANM。我们确定了负迁移率最突出的最佳参数范围,为微流体和软机器人等领域的应用提供了相关见解。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Physical review. E
Physical review. E 物理-物理:流体与等离子体
CiteScore
4.60
自引率
16.70%
发文量
0
审稿时长
3.3 months
期刊介绍: Physical Review E (PRE), broad and interdisciplinary in scope, focuses on collective phenomena of many-body systems, with statistical physics and nonlinear dynamics as the central themes of the journal. Physical Review E publishes recent developments in biological and soft matter physics including granular materials, colloids, complex fluids, liquid crystals, and polymers. The journal covers fluid dynamics and plasma physics and includes sections on computational and interdisciplinary physics, for example, complex networks.
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