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We consider a coupled system consisting of a kinetic equation coupled to a macroscopic Stokes (or Navier-Stokes) equation and describing the motion of a suspension of rigid rods in gravity. A reciprocal coupling leads to the formation of…

流体动力学 · 物理学 2015-10-13 Christiane Helzel , Athanasios E. Tzavaras

Understanding how complex systems respond to perturbations, such as whether they will remain stable or what their most sensitive patterns are, is a fundamental challenge across science and engineering. Traditional stability and receptivity…

流体动力学 · 物理学 2026-04-28 Chengyun Wang , Liwei Chen , Nils Thuerey

A rigid body model for the dynamics of a marine vessel, used in simulations of offshore pipe-lay operations, gives rise to a set of ordinary differential equations with controls. The system is input-output passive. We propose…

数值分析 · 数学 2018-04-24 Elena Celledoni , Eirik Hoel Høiseth , Nataliya Ramzina

In this paper we study the dynamic feedback stability for a simplified model of fluid-structure interaction on a tree. We prove that, under some conditions, the energy of the solutions of the system decay exponentially to zero when the time…

偏微分方程分析 · 数学 2016-01-01 Kaïs Ammari , Farhat Shel , Muthusamy Vanninathan

The fundamental problem of non-singular dislocations in the framework of the theory of gradient elasticity is presented in this work. Gradient elasticity of Helmholtz type and bi-Helmholtz type are used. A general theory of non-singular…

材料科学 · 物理学 2015-12-01 Markus Lazar

We analyze the stability of a nonlinear dynamical model describing the noncooperative strategic interactions among the agents of a finite collection of populations. Each agent selects one strategy at a time and revises it repeatedly…

系统与控制 · 电气工程与系统科学 2020-10-21 Murat Arcak , Nuno C. Martins

In our recent publication, we have proposed an analytical method for solving the problem of electronic relaxation in solution, modeled by a particle undergoing diffusive motion under the influence of two arbitrary potentials and the…

化学物理 · 物理学 2013-08-08 Aniruddha Chakraborty

In this paper, we study the Navier-Stokes equation and the Burgers equation for the dynamical motion of a passive particle with harmonic and viscous forces, subject to an exponentially correlated Gaussian force. As deriving the…

统计力学 · 物理学 2024-09-24 Jae Won Jung , Sung Kyu Seo , Kyungsik Kim

Using an Ising-like model of protein mechanical unfolding, we introduce a diffusive dynamics on its exactly known free energy profile, reducing the nonequilibrium dynamics of the model to a biased random walk. As an illustration, the model…

生物物理 · 物理学 2013-07-26 A. Pelizzola , M. Zamparo

We study the over-damped dynamics of individual one-dimensional elastic filaments subjected to a chiral active force which propels each point of the filament at a fixed angle relative to the tangent vector of the filament at that point.…

软凝聚态物质 · 物理学 2026-03-09 Chanania Steinbock , Daniel A. Beller

A Cahn-Hilliard-Navier-Stokes system for two-phase flow on an evolving surface with non-matched densities is derived using methods from rational thermodynamics. For a Cahn-Hilliard energy with a singular (logarithmic) potential short time…

偏微分方程分析 · 数学 2025-11-18 Helmut Abels , Harald Garcke , Andrea Poiatti

We study the relaxation process in a two-dimensional lattice gas model, where the interactions come from the excluded volume. In this model particles have three arms with an asymmetrical shape, which results in geometrical frustration that…

统计力学 · 物理学 2009-11-07 A. Diaz-Sanchez , Antonio de Candia , Antonio Coniglio

We discuss relaxation and aging processes in the one- and two-dimensional $ABC$ models. In these driven diffusive systems of three particle types, biased exchanges in one direction yield a coarsening process characterized in the long time…

统计力学 · 物理学 2015-05-13 Mark O. Brown , Robert H. Galyean , Xiangwen Wang , Michel Pleimling

We have employed the semidiscrete variational generalized Peierls-Nabarro model to study the dislocation core properties of aluminum. The generalized stacking fault energy surfaces entering the model are calculated by using first-principles…

材料科学 · 物理学 2009-10-31 Gang Lu , Nicholas Kioussis , Vasily V. Bulatov , Efthimios Kaxiras

In our previous papers we proposed a continuum model for the dynamics of the systems of self-propelling particles with conservative kinematic constraints on the velocities. We have determined a class of stationary solutions of this…

流体动力学 · 物理学 2015-06-26 V. I. Ratushnaya , D. Bedeaux , V. L. Kulinskii , A. V. Zvelindovsky

This paper concerns periodic solutions for a 1D-model with nonlocal velocity given by the periodic Hilbert transform. There is a rich literature showing that this model presents singular behavior of solutions via numerics and mathematical…

偏微分方程分析 · 数学 2014-10-14 Lucas C. F. Ferreira , Julio C. Valencia-Guevara

We study asymptotic dynamics of a coupled system consisting of linearized 3D Navier--Stokes equations in a bounded domain and a classical (nonlinear) elastic plate equation for transversal displacement on a flexible flat part of the…

偏微分方程分析 · 数学 2011-09-21 Igor Chueshov , Iryna Ryzhkova

We rigorously justify the bilayer shallow-water system as an approximation to the hydrostatic Euler equations in situations where the flow is density-stratified with close-to-piecewise constant density profiles, and close-to-columnar…

偏微分方程分析 · 数学 2025-01-06 Mahieddine Adim , Roberta Bianchini , Vincent Duchêne

Transport of electrolytic solutions under influence of electric fields occurs in phenomena ranging from biology to geophysics. Here, we present a continuum model for single-phase electrohydrodynamic flow, which can be derived from…

流体动力学 · 物理学 2020-06-30 Gaute Linga , Asger Bolet , Joachim Mathiesen

In this paper, we analyse the long-time behavior of solutions to a coupled system describing the motion of a rigid disk in a 2D viscous incompressible fluid. Following previous approaches, we look at the problem in the system of coordinates…

偏微分方程分析 · 数学 2022-08-19 Guillaume Ferriere , Matthieu Hillairet
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