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We elucidate the molecular forces leading to assembly of two dimensional membrane-like structures composed of a one rod-length thick monolayer of aligned rods from an immiscible suspension of hard rods and depleting polymers. We perform…

Soft Condensed Matter · Physics 2011-03-15 Yasheng Yang , Edward Barry , Zvonimir Dogic , Michael F. Hagan

We have investigated the effect of a disordered porous matrix on the cluster microphase formation of a two dimensional system where particles interact via competing interactions. To this end we have performed extensive Monte Carlo…

Soft Condensed Matter · Physics 2012-02-22 D. F. Schwanzer , G. Kahl

The filtration of fluid in 2D porous medium is simulated by the molecular dynamics technique. The high concentration of fluid is created at the initial point in time and the number of fluid particles is investigated in all porous. The…

Fluid Dynamics · Physics 2007-05-23 Marat N. Ovchinnikov

The evolution of porous structure, potential energy and local density in binary glasses under oscillatory shear deformation is investigated using molecular dynamics simulations. The porous glasses were initially prepared via a rapid thermal…

Soft Condensed Matter · Physics 2022-10-25 Nikolai V. Priezjev , Maxim A. Makeev

Various biological and chemical processes lead to the nucleation and growth of non-wetting fluid bubbles within the pore space of a granular medium, such as the formation of gas bubbles in liquid-saturated lake-bed sediments. In…

Soft Condensed Matter · Physics 2022-05-13 Oliver W. Paulin , Liam C. Morrow , Matthew G. Hennessy , Christopher W. MacMinn

Existence and uniqueness of solutions is shown for a class of viscoelastic flows in porous media with particular attention to problems with nonsmooth porosities. The considered models are formulated in terms of the time-dependent nonlinear…

Analysis of PDEs · Mathematics 2024-10-07 Markus Bachmayr , Simon Boisserée , Lisa Maria Kreusser

We use all-atom molecular dynamics simulations informed by density functional theory calculations to investigate aqueous ion transport across sub-nanoporous monolayer molybdenum disulfide (MoS$_2$) membranes subject to varying tensile…

Applied Physics · Physics 2019-01-28 A. Fang , K. Kroenlein , A. Smolyanitsky

During evaporation in porous media, two types of corner films are distinguished. A continuous corner film is connected to the bulk liquid, while a discontinuous one is not. To disclose their effects on evaporation in porous media, a pore…

Fluid Dynamics · Physics 2021-02-03 Rui Wu , Tao Zhang , Chao Ye , C. Y. Zhao , Evangelos Tsotsas , Abdolreza Kharaghani

Membranes derived from ultrathin polymeric films are promising to meet fast separations, but currently available approaches to produce polymer films with greatly reduced thicknesses on porous supports still faces challenges. Here,…

Soft Condensed Matter · Physics 2021-03-03 Xiansong Shi , Lei Wang , Nina Yan , Zhaogen Wang , Leiming Guo , Martin Steinhart , Yong Wang

Various metallic structures of complex shape, resembling natural objects such as plants, mushrooms, and seashells, were produced when growing nanowires by means of pulsed current electroplating in porous membranes. These structures occur as…

Materials Science · Physics 2013-08-05 Gennady Strukov , Galina Strukova

The transport of particles across lipid-bilayer membranes is important for biological cells to exchange information and material with their environment. Large particles often get wrapped by membranes, a process which has been intensively…

Soft Condensed Matter · Physics 2024-06-04 Jiarul Midya , Thorsten Auth , Gerhard Gompper

A comparison of porous structures formed from silicon (Si) wafers with different resistivities has been reported here based on the morphological studies carried out using scanning electron microscope (SEM). The porous Si samples have been…

Mesoscale and Nanoscale Physics · Physics 2016-09-01 Shailendra K Saxena , Gayatri Sahu , P. K. Sahoo , Pankaj R. Sagdeo , Rajesh Kumar

It is well known that at the gel-liquid phase transition temperature a lipid bilayer membrane exhibits an increased ion permeability. We analyze the quantized currents in which the increased permeability presents itself. The open time…

Biological Physics · Physics 2010-07-07 Jill Gallaher , Katarzyna Wodzinska , Thomas Heimburg , Martin Bier

In particle-laden flows through porous media, porosity and permeability are significantly affected by the deposition and erosion of particles. Experiments show that the permeability evolution of a porous medium with respect to a particle…

Fluid Dynamics · Physics 2018-01-17 Filippo Bianchi , Falk K. Wittel , Marcel Thielmann , Pavel Trtik , Hans J. Herrmann

Geo-materials such as vuggy carbonates are known to exhibit multiple spatial scales. A common manifestation of spatial scales is the presence of (at least) two different scales of pores, which is commonly referred to as double porosity. To…

Fluid Dynamics · Physics 2018-03-07 K. B. Nakshatrala , S. H. S. Joodat , R. Ballarini

The structure of lithium ion battery components, such as electrodes and separators, are commonly characterised in terms of their porosity and tortuosity. The ratio of these values gives the effective transport of lithium ions in the…

Applied Physics · Physics 2018-06-04 Marie Francine Lagadec , Raphael Zahn , Simon Müller , Vanessa Wood

Porous membranes are thin solid structures that allow the flow to pass through their tiny openings, called pores. Flow inertia may play a significant role in several filtration flows of natural and engineering interest. Here, we develop a…

A major unexplained feature of the solar atmosphere is the accumulation of magnetic shear, in the form of filament channels, at photospheric polarity inversion lines (PILs). In addition to free energy, this shear also represents magnetic…

Solar and Stellar Astrophysics · Physics 2015-08-26 Kalman J. Knizhnik , Spiro K. Antiochos , C. Richard DeVore

Optical vortices, as a kind of structured beam with helical phase wavefronts and doughnut shape intensity distribution, have been used for fabricating chiral structures in metal and spiral patterns in anisotropic polarization-dependent…

This work presents a novel algorithm for generating porous structures as an alternative to the PoreSpy program suite. Unlike PoreSpy, which often produces structures whose porosity deviates from the target value, our proposed algorithm…

Soft Condensed Matter · Physics 2026-01-06 Shota Arai , Takashi Yoshidome
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