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In this note, we consider a Robin-type traction problem for a linearly elastic body occupying an infinite periodically perforated domain. After proving the uniqueness of the solution we use periodic elastic layer potentials to show that the…

偏微分方程分析 · 数学 2022-08-05 Matteo Dalla Riva , Gennady Mishuris , Paolo Musolino

This paper complements the existing theory developed in [5] for the Dirichlet and Neumann problems for the Laplace equation, in multiply connected domains. Within the framework of layer potential methods, we study the Laplace equation under…

偏微分方程分析 · 数学 2026-02-18 Alberto Cialdea , Vita Leonessa

We consider the Cauchy problem for the Helmholtz equation with a domain in R^d, d>2 with N cylindrical outlets to infinity with bounded inclusions in R^{d-1}. Cauchy data are prescribed on the boundary of the bounded domains and the aim is…

数值分析 · 数学 2022-04-21 Pauline Achieng , Fredrik Berntsson , Vladimir Kozlov

The authors consider the interior Dirichlet problem for Laplace's equation on planar domains with corners. In order to approximate the solution of the corresponding double layer boundary integral equation, they propose a numerical method of…

数值分析 · 数学 2015-04-15 Luisa Fermo , Concetta Laurita

Diffuse domain methods (DDMs) have garnered significant attention for approximating solutions to partial differential equations on complex geometries. These methods implicitly represent the geometry by replacing the sharp boundary interface…

偏微分方程分析 · 数学 2025-04-25 Toai Luong , Tadele Mengesha , Steven M. Wise , Ming Hei Wong

In this paper we propose and analyze a class of simple Nystr\"om discretizations of the hypersingular integral equation for the Helmholtz problem on domains of the plane with smooth parametrizable boundary. The method depends on a parameter…

数值分析 · 数学 2012-10-26 Victor Dominguez , Sijiang L. Lu , Francisco-Javier Sayas

In this paper, we propose two novel Robin-type domain decomposition methods based on the two-grid techniques for the coupled Stokes-Darcy system. Our schemes firstly adopt the existing Robin-type domain decomposition algorithm to obtain the…

数值分析 · 数学 2021-08-11 Yizhong Sun , Feng Shi , Haibiao Zheng , Heng Li , Fan Wang

This work focuses on the development and analysis of a partitioned numerical method for moving domain, fluid-structure interaction problems. We model the fluid using incompressible Navier-Stokes equations, and the structure using linear…

数值分析 · 数学 2020-07-03 Anyastassia Seboldt , Martina Bukač

This paper studies a non-singular coupling scheme for solving the acoustic and elastic wave scattering problems and its extension to the problems of Laplace and Lam\'e equations and the problem with a compactly supported inhomogeneity is…

数值分析 · 数学 2023-12-27 Xiaojuan Liu , Maojun Li , Tao Yin

A numerical scheme is presented for solving the Helmholtz equation with Dirichlet or Neumann boundary conditions on piecewise smooth open curves, where the curves may have corners and multiple junctions. Existing integral equation methods…

数值分析 · 数学 2024-11-11 Johan Helsing , Shidong Jiang

In this paper, we develop a new two-side Robin-Robin domain decomposition method for H(div)-elliptic problem. Numerical results show that the convergence rate of the new algorithm only depends on $H/h$, where $H$ is diameter of subdomains…

数值分析 · 数学 2025-06-17 Na Xuyang

Recently, their has been development of an abstract approach to the Robin--Robin method, enabling the treatment of linear and nonlinear elliptic and parabolic equations on Lipschitz domains within one framework. However, previously this…

数值分析 · 数学 2024-08-15 Emil Engström , Eskil Hansen

A thin two-layered waveguide is considered. The governing equations for this waveguide is a matrix Klein--Gordon equation of dimension~2. A formal solution of this system in the form of a double integral can be obtained by using Fourier…

数学物理 · 物理学 2020-06-29 A. I. Korolkov , A. V. Shanin , K. S. Kniazeva

We study the discretization of an elliptic partial differential equation, posed on a two- or three-dimensional domain with smooth boundary, endowed with a generalized Robin boundary condition which involves the Laplace-Beltrami operator on…

数值分析 · 数学 2020-09-24 Dominik Edelmann

The authors propose a Nystrom method to approximate the solution of a boundary integral equation connected with the exterior Neumann problem for Laplace's equation on planar domains with corners. They prove the convergence and the stability…

数值分析 · 数学 2015-04-15 Luisa Fermo , Concetta Laurita

We consider the Robin problem for a uniformly elliptic divergence operator with measure data on the right-hand side of the equation and an absorption term on the boundary involving blowing up terms. We prove the existence of a positive…

偏微分方程分析 · 数学 2025-07-11 Andrzej Rozkosz

We present Nystr\"om discretizations of multitrace formulations and non-overlapping Domain Decomposition Methods (DDM) for the solution of Helmholtz transmission problems for bounded composite scatterers with piecewise constant material…

数值分析 · 数学 2017-10-11 Carlos Jerez-Hanckes , Carlos Pérez-Arancibia , Catalin Turc

An inverse boundary value problem for the Helmholtz equation in a bounded domain is considered. The problem is to extract information about an unknown obstacle embedded in the domain with unknown impedance boundary condition (the Robin…

偏微分方程分析 · 数学 2010-02-16 Masaru Ikehata

In \cite{CJ1} M. Jaoua et al. studied the linear approximation of Robin problem on $\Omega$ an open bounded domain of $\R^d$, and they given some important results. In this paper, we study a nonlinear approximation of an elliptic problem…

偏微分方程分析 · 数学 2024-09-26 Jamel Benameur , Chokri Elhechmi

We solve the relativistic Klein--Gordon equation for a light particle gravitationally bound to a heavy central mass, with the gravitational interaction prescribed by the metric of a spherically symmetric space-time. Metrics are considered…

广义相对论与量子宇宙学 · 物理学 2018-06-13 R. D. Lehn , S. S. Chabysheva , J. R. Hiller
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