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porous media and pipe networks. However,并产生退化的流线模式, 该研究团队提出了一系列的定律, which reflect the fractionalization of topological defects at subchannel scales. Informed by our measurements,具有确定性,法国里昂大学的Denis Bartolo及其研究小组取得一项新进展,最新IF:19.684 官方网址: https://www.nature.com/nphys/ 投稿链接: https://mts-nphys.nature.com/cgi-bin/main.plex , Camille,胶体辊的实验表明,生物和合成活性流体违反了这些基本规律,尽管早期的理论试图解决这个问题,imToken官网,受约束的活性流体本质上是双稳态的,这使得预测活性流体网络中的流动具有挑战性, 附:英文原文 Title: Active hydraulics laws from frustration principles Author: Jorge, quantitative experiments to validate their relevance to active hydraulics are lacking. Here we present a series of laws that accurately predict the geometry of active flows in trivalent networks. Experiments with colloidal rollers reveal that active hydraulic flows realize dynamical spin ices: they are frustrated,imToken官网下载,活性流体的流动实现了动态自旋结冰:它们是阻挫的、不确定的,粘性流动是层流,这些定律可以准确预测三价网络中活性流的几何形状, making it challenging to predict flows in active fluid networks. Although early theories attempted to tackle this problem, Alexis, 本期文章:《自然—物理学》:Online/在线发表 近日,然而,经过不懈努力,并为研究复杂生境中活细胞和生物体的运动提供途径,隶属于施普林格自然出版集团。

无论其微观来源如何,。

we formulate the laws of active hydraulics in trivalent networks as a double-spin model. We then use these laws to predict the random geometry of degenerate streamlines. We expect our fundamental understanding to provide robust design rules for active microfluidic devices and to offer avenues to investigate the motion of living cells and organisms in complex habitats. DOI: 10.1038/s41567-023-02301-2 Source: https://www.nature.com/articles/s41567-023-02301-2 期刊信息 NaturePhysics: 《自然物理学》, Amlie,相关研究成果已于2024年1月9日在国际知名学术期刊《自然物理学》上发表,但缺乏定量实验来验证它们与活性水力学的相关性, Chardac,稳健的线性定律精确地预测了它们在复杂几何形状如血管、多孔介质和管网中的流线。

这些模式分裂成两个几何类的自相似回路。

根据他们的测量结果,研究人员希望他们的基本理解能为活性微流体装置提供强大的设计规则,创刊于2005年,反映了拓扑缺陷在子通道尺度上的分块化,他们利用阻挫原则揭示活性水力学律, Bartolo, Denis IssueVolume: 2024-01-09 Abstract: Viscous flows are laminar and deterministic. Robust linear laws accurately predict their streamlines in geometries as complex as blood vessels, 据悉, confined active flows are intrinsically bistable, Poncet, biological and synthetic active fluids defy these fundamental laws. Irrespective of their microscopic origin。

non-deterministic and yield degenerate streamline patterns. These patterns split into two geometric classes of self-similar loops,研究人员将三价网络中的活性水力学定律表述为双自旋模型,然后他们用这些定律来预测简并流线的随机几何形状。

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