中文
相关论文

相关论文: On rotational flows with discontinuous vorticity b…

200 篇论文

In this article we apply local bifurcation theory to prove the existence of small-amplitude steady periodic water waves, which propagate over a flat bed with a specified fixed mean-depth, and where the underlying flow has a discontinuous…

偏微分方程分析 · 数学 2024-09-16 David Henry , Silvia Sastre-Gomez

Waves with constant vorticity and electrohydrodynamics flows are two topics in fluid dynamics that have attracted much attention from scientists for both the mathematical challenge and their industrial applications. The coupling of electric…

流体动力学 · 物理学 2023-01-04 Marcelo V. Flamarion , Tao Gao , Roberto Ribeiro-Jr , Alex Doak

This paper studies periodic traveling gravity waves at the free surface of water in a flow of constant vorticity over a flat bed. Using conformal mappings the free-boundary problem is transformed into a quasilinear pseudodifferential…

偏微分方程分析 · 数学 2015-05-14 Adrian Constantin , Eugen Varvaruca

The flow structures beneath waves have received significant attention from both theoretical and numerical perspectives. Most studies on this topic assume a flat bottom, leading to questions about the effects of variable bottom topography.…

流体动力学 · 物理学 2025-01-30 L. G. Martins , M. V. Flamarion , R. Ribeiro-Jr

Flow structures beneath a moving disturbance along a water free surface in the weakly nonlinear weakly dispersive regime in a sheared channel with finite depth and constant vorticity are investigated. We compute the exact two branches of…

流体动力学 · 物理学 2023-08-25 Marcelo V. Flamarion

While several articles have been written on water waves on flows with constant vorticity, little is known about the extent to which a nonconstant vorticity affects the flow structure, such as the appearance of stagnation points. In order to…

流体动力学 · 物理学 2022-05-18 Marcelo V. Flamarion , Roberto Ribeiro-Jr

This paper considers two-dimensional steady solitary waves with constant vorticity propagating under the influence of gravity over an impermeable flat bed. Unlike in previous works on solitary waves, we allow for both internal stagnation…

偏微分方程分析 · 数学 2021-10-12 Susanna V. Haziot , Miles. H. Wheeler

This paper studies the classical water wave problem with vorticity described by the Euler equations with a free surface under the influence of gravity over a flat bottom. Based on fundamental work \cite{ConstantinStrauss}, we first obtain…

偏微分方程分析 · 数学 2022-07-12 Guowei Dai , Yong Zhang

This paper is concerned with two-dimensional, steady, periodic water waves propagating at the free surface of water in a flow of constant vorticity over an impermeable flat bed. The motion of these waves is assumed to be governed both by…

偏微分方程分析 · 数学 2014-04-23 Peter de Boeck

We provide high-order approximations to periodic travelling wave profiles and to the velocity field and the pressure beneath the waves, in flows with constant vorticity over a flat bed.

偏微分方程分析 · 数学 2015-03-16 Adrian Constantin , Konstantinos Kalimeris , Otmar Scherzer

While some works have investigated the particle trajectories and stagnation points beneath solitary waves with constant vorticity, little is known about the pressure beneath such waves. To address this gap, we investigate numerically the…

流体动力学 · 物理学 2023-02-01 Eduardo M. Castro , Marcelo V. Flamarion , Roberto Ribeiro-Jr

This paper investigates solitary water waves propagating along the surface of a two-dimensional dielectric fluid with constant vorticity in the presence of an external electric field. We formulate the system as a nonlinear free boundary…

偏微分方程分析 · 数学 2026-04-28 Tingting Feng , Yong Zhang , Zhitao Zhang

We study wave-current interactions in two-dimensional water flows of constant vorticity over a flat bed. For large-amplitude periodic traveling waves that propagate at the water surface in the same direction as the underlying current…

偏微分方程分析 · 数学 2018-11-27 Adrian Constantin , Walter Strauss , Eugen Varvaruca

We investigate the particle trajectories in a constant vorticity shallow water flow over a flat bed as periodic waves propagate on the water's free surface. Within the framework of small amplitude waves, we find the solutions of the…

数学物理 · 物理学 2011-06-21 Delia Ionescu-Kruse

Steady-state perturbations to a stagnation point flow of the form ${\bf U}=(0,A'y,-A'z)$ are known which consist of a periodic array of counter-rotating vortices whose axes are parallel to the $y$-axis and which lie in the plane $z=0$. A…

流体动力学 · 物理学 2024-09-17 Oliver S. Kerr

We construct small-amplitude steady periodic gravity water waves arising as the free surface of water flows that contain stagnation points and possess a discontinuous distribution of vorticity in the sense that the flows consist of two…

偏微分方程分析 · 数学 2015-03-05 Calin Iulian Martin , Bogdan-Vasile Matioc

Periodic travelling waves at the free surface of an incompressible inviscid fluid in two dimensions under gravity are numerically computed for an arbitrary vorticity distribution. The fluid domain over one period is conformally mapped from…

流体动力学 · 物理学 2025-02-26 Alex Doak , Vera Mikyoung Hur , Jean-Marc Vanden-Broeck

This study analyzes steady periodic hydroelastic waves propagating on the water surface of finite depth beneath nonlinear elastic membranes. Unlike previous work \cite{BaldiT,BaldiT1,Toland,Toland1}, our formulation accommodates rotational…

偏微分方程分析 · 数学 2025-08-07 Yong Zhang

We investigate the existence of solitary gravity waves traversing a two-dimensional body of water that is bounded below by a flat impenetrable ocean bed and above by a free surface of constant pressure. Our main interest is constructing…

偏微分方程分析 · 数学 2021-03-02 Adelaide Akers , Samuel Walsh

We consider the stability of periodic gravity free-surface water waves traveling downstream at a constant speed over a shear flow of finite depth. In case the free surface is flat, a sharp criterion of linear instability is established for…

偏微分方程分析 · 数学 2007-11-28 Vera Mikyoung Hur , Zhiwu Lin
‹ 上一页 1 2 3 10 下一页 ›