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The localized loading of an elastic sheet floating on a liquid bath occurs at scales from a frog sitting on a lily pad to a volcano supported by the Earth's tectonic plates. The load is supported by a combination of the stresses within the…

软凝聚态物质 · 物理学 2017-11-01 Finn Box , Dominic Vella , Robert Style , Jerome A. Neufeld

The water wave problem is considered for a class of semi-infinite domains each having its shore shaped as a cliffed cape. In particular, the free surface of a water domain is supposed to be an infinite sector whose vertex angle is greater…

数学物理 · 物理学 2017-11-30 Nikolay Kuznetsov

Surface tension is a prominent factor for the deformation of solids at micro-/nano-scale. This paper investigates the effects of surface tension on the two-dimensional contact problems of an elastic layer bonded to the rigid substrate.…

软凝聚态物质 · 物理学 2018-10-29 Weike Yuan , Gangfeng Wang

We study the two dimensional water waves problem with surface tension in the case when there is a non-zero contact angle between the free surface and the bottom. In the presence of surface tension, dissipations take place at the contact…

偏微分方程分析 · 数学 2020-04-21 Mei Ming , Chao Wang

In this paper, we prove the local well-posedness of the water wave problem with surface tension in the case of finite depth by working in the Eulerian setting. For the flat bottom, as surface tension tends to zero, the solution of the water…

偏微分方程分析 · 数学 2008-06-28 Mei Ming , Zhifei Zhang

In 1965, B. A. Troesch solved the isoperimetric sloshing problem of determining the container shape that maximizes the fundamental sloshing frequency among two classes of shallow containers: symmetric canals with a given free surface width…

谱理论 · 数学 2022-07-22 Chee Han Tan , Christel Hohenegger , Braxton Osting

Almost frictionless skating on ice relies on a thin layer of melted water insulating mechanically the blade of the skate from ice. Using the basic equations of fluid mechanics and Stefan law, we derive a set of two coupled equations for the…

流体动力学 · 物理学 2023-07-19 Martine Le Berre , Yves Pomeau

We analyze the surface tension exerted at the interface between an active fluid and a solid boundary in terms of tangential forces. Focusing on active systems known to possess an equation of state for the pressure, we show that interfacial…

We report on the size dependence of the surface tension of a free surface of an isotropic fluid. The size dependence of the surface tension is evaluated based on the Gibbs-Tolman-Koenig-Buff equation for positive and negative values of…

软凝聚态物质 · 物理学 2020-06-08 Sergii Burian , Mykola Isaiev , Konstantinos Termentzidis , Vladimir Sysoev , Leonid Bulavin

We consider an interface with surface tension that separates a perfectly conducting inviscid fluid from a vacuum. The fluid flow is governed by the equations of ideal compressible magnetohydrodynamics (MHD), while the electric and magnetic…

偏微分方程分析 · 数学 2024-09-24 Yuri Trakhinin

The finger-like branching pattern that occurs when a less viscous fluid displaces a more viscous one confined between two parallel plates has been widely studied as a classical example of a mathematically-tractable hydrodynamic instability…

软凝聚态物质 · 物理学 2007-12-13 Xiang Cheng , Lei Xu , Aaron Patterson , Heinrich M. Jaeger , Sidney R. Nagel

We study the dependence of the surface tension of a fluid interface on the density profile of a third suspended phase. By means of an approximated model for the binary mixture and of a perturbative approach we derive close formulas for the…

统计力学 · 物理学 2021-02-03 Alessio Squarcini , Paolo Malgaretti

We consider the elastic stress near a hole with corners in an infinite plate under biaxial stress. The elasticity problem is formulated using complex Goursat functions, resulting in a set of singular integro-differential equations on the…

偏微分方程分析 · 数学 2021-03-16 Weiqi Wang , Brian J. Spencer

Here we have considered the effects of shallowness of the domain as well as the air-water free surface on the stratified shear instabilities of the fluid underneath. First, we numerically solve the non-Boussinesq Taylor-Goldstein equation…

流体动力学 · 物理学 2020-03-11 Mihir H. Shete , Anirban Guha

We examine the classical problem of the height of a static liquid interface that forms on the outside of a solid vertical cylinder in an unbounded stagnant pool exposed to air. Gravitational and surface tension effects compete to affect the…

Surface tension and wetting are dominating physical effects in micro and nanoscale flows. We present an efficient and reliable model of surface tension and equilibrium contact angles in Smoothed Particle Hydrodynamics for free-surface…

流体动力学 · 物理学 2024-05-22 Michael Blank , Prapanch Nair , Thorsten Pöschel

We investigate the classical eigenvalue problem that arises in hydrodynamics and is referred to as the sloshing problem. It describes free liquid oscillations in a liquid container W in R^3. We study the case when W is an axially symmetric,…

偏微分方程分析 · 数学 2017-02-15 Tadeusz Kulczycki , Mateusz Kwaśnicki

This paper investigates the performance of a fully passive flapping foil device for energy harvesting in a free surface flow. The study uses numerical simulations to examine the effects of varying submergence depths and the impact of…

流体动力学 · 物理学 2023-04-20 Nikolaos Petikidis , George Papadakis

In this article, we propose a mathematical model which explains the formation of strong bonds during the relaxation process of a soft solid on a hard surface. As a result, the soft solid relaxes to a non zero residual stress level. The…

软凝聚态物质 · 物理学 2017-04-05 Arun K. Singh , Vinay A. Juvekar

The dynamics of surface waves traveling along the boundary of a liquid medium are changed by the presence of floating plates and membranes, contributing to a number of important phenomena in a wide range of applications. Mathematically, if…

数值分析 · 数学 2025-10-28 Travis Askham , Tristan Goodwill , Jeremy G Hoskins , Peter Nekrasov , Manas Rachh