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Relevant bibliographies by topics / Elasto-Capillary length

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Academic literature on the topic 'Elasto-Capillary length'

Author: Grafiati

Published: 25 May 2024

Last updated: 31 July 2025

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Journal articles on the topic "Elasto-Capillary length"

1

Hui, Chung Yuen, Zezhou Liu, and Anand Jagota. "Effect of surface bending and stress on the transmission of line force to an elastic substrate." Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences 474, no. 2215 (2018): 20170775. http://dx.doi.org/10.1098/rspa.2017.0775.

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For a broad class of soft materials their surface stress can strongly influence mechanical behaviour. For example, a line force applied to the surface of an elastic substrate is locally supported by surface stress over an elasto-capillary length l c (surface stress/elastic modulus). Surface stress regularizes the otherwise highly singular stress and strain fields. However, surface such as lipid bilayer interfaces can also resist deformation by bending. This has not been studied either by experiments or theories. We analyse a theoretical model of the response of a half-space to a line force whe

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2

Tchoufag, Joël, Pushpita Ghosh, Connor B. Pogue, Beiyan Nan, and Kranthi K. Mandadapu. "Mechanisms for bacterial gliding motility on soft substrates." Proceedings of the National Academy of Sciences 116, no. 50 (2019): 25087–96. http://dx.doi.org/10.1073/pnas.1914678116.

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The motility mechanism of certain prokaryotes has long been a mystery, since their motion, known as gliding, involves no external appendages. The physical principles behind gliding still remain poorly understood. Using myxobacteria as an example of such organisms, we identify here the physical principles behind gliding motility and develop a theoretical model that predicts a 2-regime behavior of the gliding speed as a function of the substrate stiffness. Our theory describes the elasto-capillary–hydrodynamic interactions between the membrane of the bacteria, the slime it secretes, and the soft

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3

Hui, Chung-Yuen, and Anand Jagota. "Deformation near a liquid contact line on an elastic substrate." Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences 470, no. 2167 (2014): 20140085. http://dx.doi.org/10.1098/rspa.2014.0085.

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The equilibrium configuration of a liquid drop on a solid is determined by local energy balance. For a very stiff substrate, energy balance is represented by Young's equation. The equilibrium configuration near a line separating three fluids, in contrast, is determined by a balance of forces—their surface tensions—which is represented graphically by Neumann's triangle. We argue that these two are limiting cases of the more general situation of a drop on an elastic substrate in which both configurational energy balance and force balance must be satisfied independently. By analysing deformation

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4

Keiser, Ludovic, Philippe Marmottant, and Benjamin Dollet. "Intermittent air invasion in pervaporating compliant microchannels." Journal of Fluid Mechanics 948 (September 16, 2022). http://dx.doi.org/10.1017/jfm.2022.733.

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We explore air invasion in a dead-end compliant water-filled microchannel containing a constriction. The phenomenon is driven by the pervaporation of the liquid present in the channel through the surrounding medium. The penetration is intermittent, jerky and characterised by a stop-and-go dynamics as the bubble escapes the constriction. We demonstrate that this sequence of arrest and jump of the bubble is due to an elasto-capillary coupling between the air–liquid interface and the elastic medium. When the interface enters the constriction, its curvature increases strongly, leading to a depress

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Dissertations / Theses on the topic "Elasto-Capillary length"

1

Wei, Yuanyuan. "Fracture of ultra-soft hydrogels probed by puncture and cavitation." Electronic Thesis or Diss., Université Paris sciences et lettres, 2022. http://www.theses.fr/2022UPSLS045.

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Les matériaux ultra-mous présentent des caractéristiques de déformation et de fracture différentes de celles des matériaux mous ordinaires, en raison des effets anticipés de leur tension superficielle et de leur hétérogénéité de structure. Dans ce contexte, nous avons systématiquement étudié les propriétés de fracture d’hydrogels ultra-mous en utilisant des méthodes de ponction et de cavitation. Pour le polyacrylamide, le PDMS et le carraghénane, la résistance à la fracture est dominée par l'élasticité non linéaire au-dessus de l'échelle de longueur élasto-capillaire. En-dessous cette échelle

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