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A numerical method is developed to efficiently calculate the stress (and displacement) field in finite 2D rectangular media. The solution is expanded on a function basis with elements that satisfy the Navier-Cauchy equation. The obtained…

材料科学 · 物理学 2020-04-22 Denes Berta , Istvan Groma , Peter Dusan Ispanovity

In this paper, we consider generalized thermoelastic plate equations with Fourier's law of heat conduction. By introducing a threshold for decay properties of regularity-loss, we investigate decay estimates of solutions with/without…

偏微分方程分析 · 数学 2020-03-24 Yan Liu , Wenhui Chen

This paper derives a finite-strain plate theory consistent with the principle of stationary three-dimensional (3-D) potential energy under general loadings with a third-order error. Staring from the 3-D nonlinear elasticity (with both…

经典物理 · 物理学 2015-06-22 Hui-Hui Dai , Zilong Song

This work examines the mechanical behavior of three-layer plates with a tetrachiral honeycomb core and solid face layers under static bending conditions. The influence of discretization, relative density, and thickness of the honeycomb core…

数值分析 · 数学 2025-10-15 A. V. Mazaev

We investigate the finite bending and the associated bending instability of an incompressible dielectric slab subject to a combination of applied voltage and axial compression, using nonlinear electro-elasticity theory and its incremental…

软凝聚态物质 · 物理学 2018-10-04 Yipin Su , Bin Wu , Weiqiu Chen , Michel Destrade

Asymptotic homogenisation is considered for problems with integral constraints imposed on a slowly-varying microstructure; an insulator with an array of perfectly dielectric inclusions of slowly varying size serves as a paradigm. Although…

经典分析与常微分方程 · 数学 2023-04-03 A. Kent , S. L. Waters , J. Oliver , S. J. Chapman

A method for solving model nonlinear equations describing plasma oscillations in the presence of viscosity and resistivity is given. By first going to the Lagrangian variables and then transforming the space variable conveniently, the…

等离子体物理 · 物理学 2009-04-15 E. Infeld , G. Rowlands , A. A. Skorupski

We derive a F\"{o}ppl-von K\'{a}rm\'{a}n-type constitutive model for solid liquid crystalline plates where the nematic director may or may not rotate freely relative to the elastic network. To obtain the reduced two-dimensional model, we…

软凝聚态物质 · 物理学 2020-07-30 L. Angela Mihai , Alain Goriely

We present a new asymptotic strategy for general micro-macro models which analyze complex viscoelastic fluids governed by coupled multiscale dynamics. In such models, the elastic stress appearing in the macroscopic continuum equation is…

数学物理 · 物理学 2025-12-22 Xuenan Li , Chun Liu , Di Qi

A consistent treatment of the coupling of surface energy and elasticity within the multi-phase- field framework is presented. The model accurately reproduces stress distribution in a number of analytically tractable, yet non-trivial, cases…

介观与纳米尺度物理 · 物理学 2018-01-17 Raphael Schiedung , Ingo Steinbach , Fathollah Varnik

Discrete fine-scale models, in the form of either particle or lattice models, have been formulated successfully to simulate the behavior of quasi-brittle materials whose mechanical behavior is inherently connected to fracture processes…

材料科学 · 物理学 2016-02-17 Roozbeh Rezakhani , Gianluca Cusatis

We investigate corrector estimates for the solutions of a thermoelasticity problem posed in a highly heterogeneous two-phase medium and its corresponding two-scale thermoelasticity model which was derived in an earlier paper by two-scale…

偏微分方程分析 · 数学 2017-02-13 Michael Eden , Adrian Muntean

Models of diffusive processes that occur on evolving domains are frequently employed to describe biological and physical phenomena, such as diffusion within expanding tissues or substrates. Previous investigations into these models either…

种群与进化 · 定量生物学 2023-10-09 Stuart T. Johnston , Matthew J. Simpson

This article presents a systematic methodology for modeling a class of flexible multidimensional mechanical structures defined by linear elastic relations that directly allows to obtain their infinite-dimensional port-Hamiltonian…

动力系统 · 数学 2023-11-08 Cristobal Ponce , Yongxin Wu , Yann Le Gorrec , Hector Ramirez

We consider a sequence of linear hyper-elastic, inhomogeneous and fully anisotropic bodies in a reference configuration occupying a cylindrical region of height epsilon. We then study, by means of Gamma-convergence, the asymptotic behavior…

数学物理 · 物理学 2017-04-03 Francois Murat , Roberto Paroni

The use of global displacement basis functions to solve boundary-value problems in linear elasticity is well established. No prior work uses a global stress tensor basis for such solutions. We present two such methods for solving stress…

数值分析 · 数学 2023-04-27 Sankalp Tiwari , Anindya Chatterjee

The classical flexure problem of non-linear incompressible elasticity is revisited for elastic materials whose mechanical response is different in tension and compression---the so-called bimodular materials. The flexure problem is chosen to…

软凝聚态物质 · 物理学 2013-03-11 Michel Destrade , Jerry G. Murphy , Badar Rashid

We develop an analytical tool which is adept for detecting shapes of oscillatory functions, is useful in decomposing homogenization problems into limit-problems for kinetic equations, and provides an efficient framework for the validation…

偏微分方程分析 · 数学 2017-03-09 Pierre-Emmanuel Jabin , Athanasios E. Tzavaras

We propose a thermodynamically consistent general-purpose model describing diffusion of a solute or a fluid in a solid undergoing possible phase transformations and damage, beside possible visco-inelastic processes. Also heat…

数学物理 · 物理学 2015-10-28 Tomas Roubicek , Giuseppe Tomassetti

Starting from the random phase approximation for the weakly coupled multiband tightly-bounded electron systems, we calculate the dielectric matrix in terms of intraband and interband transitions. The advantages of this representation with…

凝聚态物理 · 物理学 2016-08-31 P. Zupanovic , A. Bjelis , S. Barisic