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This paper develops the multisymplectic formulation of nonsmooth elastoplastic phenomena, where the plastic deformation and the associated thermodynamic entropy evolve by jumps.

数值分析 · 数学 2018-02-21 François Demoures

The Cauchy problem is investigated for the parabolic type in the some finite part $[t_0, t_1] \subset [0, \infty)$ of the semi axis $t \in [0, \infty)$ and degenarated to Schrodinger type in the remain part of the same semi axes the second…

数学物理 · 物理学 2007-05-23 Hikmat I. Ahmadov

The thermodynamical model of visco-elastic deformable solids at finite strains is formulated in a fully Eulerian way in rates. Also effects of thermal expansion or buoyancy due to evolving mass density in a gravity field are covered. The…

偏微分方程分析 · 数学 2023-09-14 Tomáš Roubíček

It is shown how the combination of atomic deposition and nonlinear diffusion may lead, below a critical temperature, to the growth of nonuniform layers on a substrate. The dynamics of such a system is of the Cahn-Hilliard type, supplemented…

斑图形成与孤子 · 物理学 2013-07-22 Daniel Walgraef

We consider the Cauchy problem for a model of non-linear acoustics, named the Kuznetsov equation, describing sound propagation in thermo-viscous elastic media. For the viscous case, it is a weakly quasi-linear strongly damped wave equation,…

偏微分方程分析 · 数学 2018-10-09 Adrien Dekkers , Anna Rozanova-Pierrat

We study a one-dimensional nonlinear hyperbolic-parabolic initial boundary value problem occurring in the theory of thermoelasticity. We prove existence and uniqueness of the local-in-time strong solution. Also, some global-in-time weak…

偏微分方程分析 · 数学 2020-05-29 Tomasz Cieslak , Marija Galić , Boris Muha

In this article, we consider the energy decay of a viscoelastic wave in an heterogeneous medium. To be more specific, the medium is composed of two different homogeneous medium with a memory term located in one of the medium. We prove…

偏微分方程分析 · 数学 2020-02-12 Remi Buffe , Marcelo Cavalcanti , Valéria Domingos Cavalcanti , Ludovick Gagnon

We consider the Cauchy problem for 2-D incompressible isotropic elastodynamics. Standard energy methods yield local solutions on a time interval $[0,{T}/{\epsilon}]$, for initial data of the form $\epsilon U_0$, where $T$ depends only on…

偏微分方程分析 · 数学 2013-01-01 Zhen Lei , Thomas C. Sideris , Yi Zhou

In this paper, we investigate the Cauchy problem for the compressible nematic liquid crystal flows in three-dimensional whole space. First of all, we establish the time decay rates for compressible nematic liquid crystal flows by the method…

偏微分方程分析 · 数学 2015-03-11 Jincheng Gao , Qiang Tao , Zheng-an Yao

In this article the unique solution of the Cauchy problem is founded by the Riemann method. Some relations for given here confluent hypergeometric functions of two and three variables are used.

偏微分方程分析 · 数学 2018-03-06 Tuhtasin Ergashev

Anisotropic thermal expansion plays a critical role in the performance and reliability of functional materials, yet its theoretical description remains limited. Here, a computational framework that reduces the calculation of thermal…

材料科学 · 物理学 2026-02-25 Dmitry Vasilyev

The morphology of crystalline thin films evolving on flat rigid substrates by condensation of extra film atoms or by evaporation of their own atoms in the surrounding vapor is studied in the framework of the theory of Stress Driven…

偏微分方程分析 · 数学 2024-11-05 Paolo Piovano , Francesco Sapio

A linear system of differential equations describing a joint motion of thermo-elastic porous body and incompressible thermo-fluid occupying porous space is considered. Although the problem is linear, it is very hard to tackle due to the…

偏微分方程分析 · 数学 2007-05-23 Anvarbek M. Meirmanov

The geometry of mesoscopic inhomogeneities plays an important role in determining the macroscopic propagation behaviors of elastic waves in a heterogeneous medium. Nonequiaxed inhomogeneities can lead to anisotropic wave velocity and…

地球物理 · 物理学 2020-05-05 Huijing He

We study the anisotropic Forchheimer-typed flows for compressible fluids in porous media. The first half of the paper is devoted to understanding the nonlinear structure of the anisotropic momentum equations. Unlike the isotropic flows, the…

偏微分方程分析 · 数学 2024-12-05 Luan Hoang , Thinh Kieu

The global dynamics and regularity of parabolic-hyperbolic systems is an interesting topic in PDEs due to the coupling of competing dissipation and hyperbolic effects. This paper is concerned with the Cauchy problem of a…

偏微分方程分析 · 数学 2019-09-10 Hongyun Peng , Zhian Wang

This study proposes and explores a linear hydrodynamic thermo-elasticity system within mixture models, comprising fluid and solid phases, with a focus on biological tissues, particularly tumor-related phenomena. Although tumor growth is not…

偏微分方程分析 · 数学 2025-02-11 Michael Eden , Meraj Alam , Prakash Kumar , G P Raja Sekhar

In this paper, we study the Cauchy problem for a nonlinear wave equation with frictional and viscoelastic damping terms. As is pointed out by [8], in this combination, the frictional damping term is dominant for the viscoelastic one for the…

偏微分方程分析 · 数学 2016-05-25 Ryo Ikehata , Hiroshi Takeda

Phase transition problems on curved surfaces can lead to a panopticon of fascinating patterns. In this paper we consider finite element approximations of phase field models with a spatially inhomogeneous and anisotropic surface energy…

数值分析 · 数学 2025-06-09 Harald Garcke , Robert Nürnberg

Stochastic thermodynamics provides a useful set of tools to analyze and constrain the behavior of far from equilibrium systems. In this paper, we report an application of ideas from stochastic thermodynamics to the problem of membrane…

软凝聚态物质 · 物理学 2019-10-25 Michael Nguyen , Suriyanarayanan Vaikuntanathan