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This paper examines the Maxwell system of electrodynamics within the framework of distributions. A primary objective is to establish boundary conditions for fields at interfaces when the charge and current densities are measures localized…

偏微分方程分析 · 数学 2025-07-21 Cristian E. Gutiérrez , Ahmad Sabra

This work is a follow-up to our previous contribution ("Convergence of sparse collocation for functions of countably many Gaussian random variables (with application to elliptic PDEs)", SIAM J. Numer. Anal., 2018), and contains further…

数值分析 · 数学 2020-04-10 Oliver G. Ernst , Björn Sprungk , Lorenzo Tamellini

The general Ericksen-Leslie system for the flow of nematic liquid crystals is reconsidered in the non-isothermal case aiming for thermodynamically consistent models. The non-isothermal model is then investigated analytically. A fairly…

偏微分方程分析 · 数学 2015-04-07 Matthias Hieber , Jan Pruess

We present a coarse-grained lattice model of solvation thermodynamics and the hydrophobic effect that implements the ideas of Lum-Chandler-Weeks (LCW) theory [J. Phys. Chem. B 103, 4570 (1999)] and improves upon previous lattice models…

软凝聚态物质 · 物理学 2014-09-05 Patrick Varilly , Amish J. Patel , David Chandler

An alternative way of utilizing the thermodynamic perturbation theory of Wertheim for the development of equations of state for associating fluid models is presented and detailed for water. The approach makes use of general features of the…

软凝聚态物质 · 物理学 2021-10-12 I. Nezbeda

The Ornstein-Zernike equation is solved for the hard-sphere and square-well fluids using a diverse selection of closure relations; the attraction range of the square-well is chosen to be $\lambda=1.5.$ In particular, for both fluids we…

统计力学 · 物理学 2022-07-20 Edwin Bedolla , Luis Carlos Padierna , Ramón Castañeda-Priego

We present a resummed mean-field approximation for inferring the parameters of an Ising or a Potts model from empirical, noisy, one- and two-point correlation functions. Based on a resummation of a class of diagrams of the small correlation…

无序系统与神经网络 · 物理学 2016-10-19 Hugo Jacquin , A. Rancon

Thermodynamic geometry of two-dimensional fluids has been investigated using a square-well model as a prototype fluid. A comparison with the three-dimensional case is performed in the subcritical and supercritical domains of thermodynamic…

统计力学 · 物理学 2026-05-14 Jaime Jaramillo-Gutiérrez , José Torres-Arenas

We present a modification to our recently published SAFT-based classical density functional theory for water. We have recently developed and tested a functional for the averaged radial distribution function at contact of the hard-sphere…

软凝聚态物质 · 物理学 2015-06-17 Eric J. Krebs , Jeff B. Schulte , David Roundy

Fluid flows in coupled systems consisting of a free-flow region and the adjacent porous medium appear in a variety of environmental settings and industrial applications. In many applications, fluid flow is non-parallel to the fluid-porous…

偏微分方程分析 · 数学 2021-04-07 Elissa Eggenweiler , Marco Discacciati , Iryna Rybak

The theoretical description of the thermodynamics of water is challenged by the structural transition towards tetrahedral symmetry at ambient conditions. As perturbation theories typically assume a spherically symmetric reference fluid,…

软凝聚态物质 · 物理学 2017-11-15 Bennett D. Marshall

A simple analytical model of a layered system comprised of a single passage of a serpentine flow channel and a parallel underlying porous electrode (or porous layer) is proposed. This analytical model is derived from Navier-Stokes motion in…

流体动力学 · 物理学 2016-10-20 Xinyou Ke , J. Iwan D. Alexander , Joseph M. Prahl , Robert F. Savinell

We perform the step-scaling investigation of the running coupling constant, using the gradient-flow scheme, in SU(3) gauge theory with twelve massless fermions in the fundamental representation. The Wilson plaquette gauge action and…

高能物理 - 格点 · 物理学 2015-12-18 C. -J. David Lin , Kenji Ogawa , Alberto Ramos

The continuum-scale electrokinetic porous-media flow and excess charge redistribution equations are uncoupled using eigenvalue decomposition. The uncoupling results in a pair of independent diffusion equations for "intermediate" potentials…

计算物理 · 物理学 2020-09-01 Kristopher L. Kuhlman , Bwalya Malama

We study a systematic improvement of perturbation theory for gauge fields on the lattice [hep-lat/0606001]; the improvement entails resumming, to all orders in the coupling constant, a dominant subclass of tadpole diagrams. This method,…

高能物理 - 格点 · 物理学 2008-11-26 Martha Constantinou , Haralambos Panagopoulos , Apostolos Skouroupathis

A numerical method based upon the immersed boundary technique for the fluid-solid coupling and on a soft-sphere approach for solid-solid contact is used to perform direct numerical simulation of the flow-induced motion of a thick bed of…

流体动力学 · 物理学 2014-10-01 Aman G. Kidanemariam , Markus Uhlmann

Different advanced bridge function closures are utilized to investigate the structural and thermodynamic properties of dense Yukawa one-component plasma liquids within the framework of integral equation theory. The isomorph-based…

软凝聚态物质 · 物理学 2021-01-21 F. Lucco Castello , P. Tolias

This work presents a pedagogical derivation of the thermodynamics of a van der Waals fluid by explicitly incorporating pairwise molecular interactions and the finite size of particles into the statistical-mechanical description. Starting…

统计力学 · 物理学 2026-01-09 J. L. Cardoso , V. G. Ibarra-Sierra , J. C. Sandoval-Santana , A. Kunold

We prove the generalized induction equation and the generalized local induction equation (GLIE), which replaces the commonly used local induction approximation (LIA) to simulate the dynamics of vortex lines and thus superfluid turbulence.…

数学物理 · 物理学 2015-05-27 Scott A. Strong , Lincoln D. Carr

The coupled Maxwell-Lorentz system describes feed-back action of electromagnetic fields in classical electrodynamics. When applied to point-charge sources (viewed as limiting cases of charged fluids) the resulting nonlinear weakly…

偏微分方程分析 · 数学 2007-05-23 Guenther Hoermann , Michael Kunzinger
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