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Molecular dynamics simulations were employed to study the wetting behavior of nanoscale aqueous hydrophilic and hydrophobic Imidazolium based ionic liquid (IL) droplets on a solid graphite substrate subjected to the perpendicular electric…

软凝聚态物质 · 物理学 2020-12-09 Sanchari Bhattacharjee , Sandip Khan

We present an equation-free dynamic renormalization approach to the computational study of coarse-grained, self-similar dynamic behavior in multidimensional particle systems. The approach is aimed at problems for which evolution equations…

动力系统 · 数学 2009-11-11 Yu Zou , Ioannis Kevrekidis , Roger Ghanem

In this paper, we first develop a mathematical model for long-range, hydrophobic attraction between amphiphilic particles. The non-pairwise interactions follow from the first variation of a hydrophobic attraction domain functional. The…

We develop a micromorphic-based approach for finite element stabilization of reaction-convection-diffusion equations, by gradient enhancement of the field of interest via introducing an auxiliary variable. The well-posedness of the…

数学物理 · 物理学 2025-10-15 Soheil Firooz , B. Daya Reddy , Paul Steinmann

In this work, we examine metal electrode-ionomer electrolyte systems at high voltage / negative surface charge and at high pH to assess factors that influence hydrogen production efficiency. We simulate the hydrogen evolution electrode…

化学物理 · 物理学 2019-09-04 Reese E. Jones , William C. Tucker , Matthew J. L. Mills , Sanjeev Mukerjee

Partial differential equations (PDEs) with multiple scales or those defined over sufficiently large domains arise in various areas of science and engineering and often present problems when approximating the solutions numerically. Machine…

数值分析 · 数学 2024-05-27 Eddel Elí Ojeda Avilés , Daniel Olmos-Liceaga , Jae-Hun Jung

The data-driven discovery of interpretable models approximating the underlying dynamics of a physical system has gained attraction in the past decade. Current approaches employ pre-specified functional forms or basis functions and often…

机器学习 · 计算机科学 2025-07-30 Rahul Golder , M. M. Faruque Hasan

We present a collection of well-conditioned integral equation methods for the solution of electrostatic, acoustic or electromagnetic scattering problems involving anisotropic, inhomogeneous media. In the electromagnetic case, our approach…

数值分析 · 数学 2018-05-15 Lise-Marie Imbert-Gerard , Felipe Vico , Leslie Greengard , Miguel Ferrando

Acid-base equilibria directly influence the functionality and behavior of particles in a system. Due to the ionizing effects of acid-base functional groups, particles will undergo charge exchange. The degree of ionization and their…

软凝聚态物质 · 物理学 2023-10-10 Leticia López-Flores , Monica Olvera de la Cruz

A simple algorithm and a computational program to numerically compute the electric field gradient and the concomitant quadrupolar nuclear splitting is developed for an arbitrary ionic crystal. The calculations are performed using a point…

材料科学 · 物理学 2012-04-04 J. J. Hernández , Gómez , V. Marquina , R. Gómez

The electric field dielectric polarization-based separations mechanism represents a novel method for separating solutions at small length scales. An electric field gradient with a maximum strength of $\mathrm{0.4~MV/m}$ applied across a…

化学物理 · 物理学 2023-11-29 Gaurav Anand , Samira Safaripour , Craig Snoeyink

This contribution investigates the connection between isogeometric analysis and integral equation methods for full-wave electromagnetic problems up to the low-frequency limit. The proposed spline-based integral equation method allows for an…

计算工程、金融与科学 · 计算机科学 2026-05-19 Maximilian Nolte , Riccardo Torchio , Sebastian Schöps , Jürgen Dölz , Felix Wolf , Albert E. Ruehli

Using an approach based on Doi-Peliti field theory, we study several different Active Ising Models (AIMs), in each of which collective motion (flocking) of self-propelled particles arises from the spontaneous breaking of a discrete…

统计力学 · 物理学 2023-10-27 Mattia Scandolo , Johannes Pausch , Michael E. Cates

The self-organization processes of nanopattern formation on semiconductor surfaces under low energy ion beam bombardment is considered. The new mathematical model based on nonlinear evolution equation of the sixth order is presented. The…

材料科学 · 物理学 2014-09-29 Nikolay A. Kudryashov , Pavel N. Ryabov

This study examined the effects of surfactants on the motion and positioning of microparticles in an inhomogeneous electric field. The microparticles were suspended in oil with a surfactant and the electric field was generated using…

软凝聚态物质 · 物理学 2020-01-07 Marcos Masukawa , Masayuki Hayakawa , Masahiro Takinoue

Mean-field electrostatics is used to calculate the bending moduli of an electric double layer for fixed surface charge density of a macroion in a symmetric 1:1 electrolyte. The resulting expressions for bending stiffness, Gaussian modulus,…

软凝聚态物质 · 物理学 2018-08-06 Guilherme Volpe Bossa , Bjorn K. Berntson , Sylvio May

In this article we study a system of nonlinear PDEs modelling the electrokinetics of a nematic electrolyte material consisting of various ions species contained in a nematic liquid crystal. The evolution is described by a system coupling a…

偏微分方程分析 · 数学 2019-09-04 E. Feireisl , E. Rocca , G. Schimperna , A. Zarnescu

We investigate stationary solutions of a thin-film model for liquid two-layer flows in an energetic formulation that is motivated by its gradient flow structure. The goal is to achieve a rigorous understanding of the contact-angle…

偏微分方程分析 · 数学 2012-10-23 Sebastian Jachalski , Robert Huth , Georgy Kitavtsev , Dirk Peschka , Barbara Wagner

We develop a hydrodynamic description of self-generated electrolyte flow in capillaries whose bounding walls feature both non-uniform distributions of charge and non-uniform active ionic fluxes. The hydrodynamic velocity arising in such a…

软凝聚态物质 · 物理学 2026-02-05 Ahis Shrestha , Eleftherios Kirkinis , Monica Olvera de la Cruz

In living cells, cycles of formation and dissolution of liquid droplets can mediate biological functions such as DNA repair. However, the minimal physicochemical prerequisite for such droplet oscillations remains elusive. Here, we present a…

软凝聚态物质 · 物理学 2025-03-17 Ivar S. Haugerud , Hidde D. Vuijk , Job Boekhoven , Christoph A. Weber