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We present results from the molecular dynamics (MD) simulation of surface-directed spinodal decomposition (SDSD) in binary fluid mixtures ($A+B$) with off-critical compositions. The aim is to elucidate the role of composition ratio in the…

Soft Condensed Matter · Physics 2024-08-19 Syed Shuja Hasan Zaidi , Saumya Suvarna , Madhu Priya , Sanjay Puri , Prabhat K. Jaiswal

We use molecular dynamics (MD) simulations to study surface-directed spinodal decomposition (SDSD) in unstable binary ($AB$) fluid mixtures at wetting surfaces. The thickness of the wetting layer $R_1$ grows with time $t$ as a power-law…

Soft Condensed Matter · Physics 2012-04-04 Prabhat K. Jaiswal , Sanjay Puri , Subir K. Das

We present molecular dynamics (MD) results to discuss wetting kinetics in binary fluid mixtures ($A:B=50:50$) undergoing surface-directed spinodal decomposition (SDSD) on an amorphous wall. Our simulations show the formation of a wetting…

Soft Condensed Matter · Physics 2025-12-09 Syed Shuja Hasan Zaidi , Madhu Priya , Sanjay Puri , Prabhat K. Jaiswal

We present comprehensive molecular dynamics (MD) results for the kinetics of surface-directed spinodal decomposition (SDSD) and surface enrichment (SE) in binary mixtures at wetting surfaces. We study the surface morphology and the growth…

Soft Condensed Matter · Physics 2010-11-30 Prabhat K. Jaiswal , Sanjay Puri , Subir K. Das

This paper is the second in a two-part exposition on {\it surface-directed spinodal decomposition} (SDSD), i.e., the interplay of kinetics of wetting and phase separation at a surface which is wetted by one of the components of a binary…

Statistical Mechanics · Physics 2020-08-25 Prasenjit Das , Prabhat K. Jaiswal , Sanjay Puri

The surface directed spinodal decomposition of a binary liquid confined inside cylindrical pore is investigated using molecular dynamics simulation. One component of the liquid wets the pore surface while the other remains neutral. A…

Soft Condensed Matter · Physics 2023-09-19 Daniya Davis , Bhaskar Sen Gupta

{\it Surface-directed spinodal decomposition} (SDSD) is the kinetic interplay of phase separation and wetting at a surface. This process is of great scientific and technological importance. In this paper, we report results from a numerical…

Soft Condensed Matter · Physics 2020-07-20 Prasenjit Das , Prabhat K. Jaiswal , Sanjay Puri

We report a molecularly-augmented continuum-based computational model of dynamic wetting and apply it to the displacement of an externally-driven liquid plug between two partially-wetted parallel plates. The results closely follow those…

Fluid Dynamics · Physics 2022-12-21 Jack S. Keeler , Terence D. Blake , Duncan A. Lockerby , James E. Sprittles

As a first step towards a microscopic understanding of the effective interaction between colloidal particles suspended in a solvent we study the wetting behavior of one-component fluids at spheres and fibers. We describe these phenomena…

Condensed Matter · Physics 2015-06-25 T. Bieker , S. Dietrich

When plated onto substrates, cell morphology and even stem cell differentiation are influenced by the stiffness of their environment. Stiffer substrates give strongly spread (eventually polarized) cells with strong focal adhesions, and…

Subcellular Processes · Quantitative Biology 2018-10-05 Samuel Bell , Anna-Lena Redmann , Eugene M. Terentjev

Surface growth, by association or dissociation of material on the boundaries of a body, is ubiquitous in both natural and engineering systems. It is the fundamental mechanism by which biological materials grow, starting from the level of a…

Soft Condensed Matter · Physics 2019-03-06 Rami Abi-Akl , Rohan Abeyaratne , Tal Cohen

Furukawa predicted that at late times, the domain growth in binary fluids scales as $\ell(t)\sim t^{2/3}$, and the growth is driven by fluid inertia. The {\it inertial growth regime} has been highly elusive in molecular dynamics (MD)…

Statistical Mechanics · Physics 2023-03-08 Anuj Kumar Singh , Varsha Banerjee

We examine the kinetics of surface diffusion-controlled, solid-state dewetting by consideration of the retraction of the contact in a semi-infinite solid thin film on a flat rigid substrate. The analysis is performed within the framework of…

Materials Science · Physics 2020-01-28 Wei Jiang , Xianmin Xu , Weizhu Bao , David J. Srolovitz

Four on-lattice and six off-lattice models for active matter are studied numerically, showing that in contact with a wall, they display universal wetting transitions between three distinctive phases. The particles, which interact via…

Statistical Mechanics · Physics 2018-12-05 Néstor Sepúlveda , Rodrigo Soto

We use molecular dynamics (MD) to study the kinetics of surface enrichment (SE) in a stable homogeneous mixture (AB), placed in contact with a surface which preferentially attracts A. The SE profiles show a characteristic double-exponential…

Soft Condensed Matter · Physics 2010-11-30 Prabhat K. Jaiswal , Sanjay Puri , Subir K. Das

It was recently demonstrated [P. B. Weichman, Phys. Rev. Lett. {\bf 91}, 143908 (2003)] that the scattered electric field from highly conducting targets following a rapidly terminated electromagnetic pulse displays a universal $t^{-1/2}$…

Mathematical Physics · Physics 2009-11-10 Peter B. Weichman

We employ a molecular dynamics (MD) study to explore pattern selection in binary fluid mixtures ($AB$) undergoing surface-directed spinodal decomposition on a chemically patterned amorphous substrate. We chose a checkerboard pattern with…

Soft Condensed Matter · Physics 2025-12-12 Syed Shuja Hasan Zaidi , Hema Teherpuria , Santosh Mogurampelly , Prabhat K. Jaiswal

We investigate critical wetting transitions for fluids adsorbed in wedge-like geometries where the substrate height varies as a power-law, $z(x,y) \sim |x| ^\gamma$, in one direction. As $\gamma$ is increased from 0 to 1, the substrate…

Soft Condensed Matter · Physics 2009-11-07 A. Sartori , A. O. Parry

The article [Phys. Rev. E {\bf 73}, 031111 (2006)] by Horowitz and Albano reports on simulations of competitive surface-growth models RD+X that combine random deposition (RD) with another deposition X that occurs with probability $p$. The…

Statistical Mechanics · Physics 2015-01-23 A. Kolakowska , M. A. Novotny

The dynamics of liquid condensation on a substrate or within a capillary is studied when the wetting film grows via interface-limited growth. We use a phenomenological time-dependent Ginzburg-Landau (TDGL)-type model with long-range…

Soft Condensed Matter · Physics 2007-08-24 Masao Iwamatsu
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