English
Related papers

Related papers: A strange term coming from the boundary data

200 papers

We study the Poisson equation in a perforated domain with homogeneous Dirichlet boundary conditions. The size of the perforations is denoted by $\epsilon$ > 0, and is proportional to the distance between neighbouring perforations. In the…

Analysis of PDEs · Mathematics 2020-10-01 Xavier Blanc , S Wolf

The present work deals with the resolution of the Poisson equation in a bounded domain made of a thin and periodic layer of finite length placed into a homogeneous medium. We provide and justify a high order asymptotic expansion which takes…

Analysis of PDEs · Mathematics 2015-06-24 Bérangère Delourme , Kersten Schmidt , Adrien Semin

The paper deals with homogenization problem for nonlinear elliptic and parabolic equations in a periodically perforated domain, a nonlinear Fourier boundary conditions being imposed on the perforation border. Under the assumptions that the…

Analysis of PDEs · Mathematics 2010-06-04 Andrey Piatnitski , Volodymyr Rybalko

We compare the solutions of two one-dimensional Poisson problems on an interval with Robin boundary conditions, one with given data, and one where the data has been symmetrized. When the Robin parameter is positive and the symmetrization is…

Analysis of PDEs · Mathematics 2021-01-26 Jeffrey J. Langford , Patrick McDonald

We study the periodic homogenization of a reaction-diffusion problem with large nonlinear drift and Robin boundary condition posed in an unbounded perforated domain. The nonlinear problem is associated with the hydrodynamic limit of a…

Analysis of PDEs · Mathematics 2023-07-11 Vishnu Raveendran , Ida de Bonis , Emilio N. M. Cirillo , Adrian Muntean

We consider a boundary value problem for a general second order linear equation in a domain with a fine perforation. The latter is made by small cavities; both the shapes of the cavities and their distribution are arbitrary. The boundaries…

Analysis of PDEs · Mathematics 2022-08-24 Denis I. Borisov

We compare the solutions of two Poisson problems in a spherical shell with Robin boundary conditions, one with given data, and one where the data has been cap symmetrized. When the Robin parameters are nonnegative, we show that the solution…

Analysis of PDEs · Mathematics 2021-01-08 Jeffrey J. Langford

This paper deals with the homogenization of the Poisson equation in a bounded domain of $\mathbb{R}^d$, $d>2$, which is perforated by a random number of small spherical holes with random radii and positions. We show that for a class of…

Analysis of PDEs · Mathematics 2018-03-28 Arianna Giunti , Richard Höfer , Juan J. L. Velázquez

We consider Laplace's equation in a periodically perforated domain with Robin boundary conditions on the holes, where the Robin coefficient is scaled proportionally to the inverse total surface area of the performations. We identify a…

Analysis of PDEs · Mathematics 2026-05-06 Giacomo Canevari , Kirill Cherednichenko , Arghir Zarnescu

We study the homogenization of the Poisson equation in randomly perforated domains and obtain the strange term effect in the homogenized equation. The perforations are modeled by rescaled germ-grain processes, and the main assumption is…

Analysis of PDEs · Mathematics 2026-02-24 Naoto Sato

We consider the problem of simultaneously inferring the heterogeneous coefficient field for a Robin boundary condition on an inaccessible part of the boundary along with the shape of the boundary for the Poisson problem. Such a problem…

Optimization and Control · Mathematics 2022-01-05 Ruanui Nicholson , Matti Niskanen

We study the boundary layer solution to singular perturbation problems involving Poisson-Boltzmann (PB) type equations with a small parameter $\epsilon$ in general bounded smooth domains (including multiply connected domains) under the…

Analysis of PDEs · Mathematics 2025-06-27 Jhih-Hong Lyu , Tai-Chia Lin

We analyze the behavior of solutions of the Poisson equation with homogeneous Neumann boundary conditions in a two-dimensional thin domain which presents locally periodic oscillations at the boundary. The oscillations are such that both the…

Analysis of PDEs · Mathematics 2018-01-30 José M. Arrieta , Manuel Villanueva-Pesqueira

We study stochastic homogenization of a quasilinear parabolic PDE with nonlinear microscopic Robin conditions on a perforated domain. The focus of our work lies on the underlying geometry that does not allow standard homogenization…

Analysis of PDEs · Mathematics 2021-10-08 Martin Heida , Benedikt Jahnel , Anh Duc Vu

We study second order parabolic equations on Lipschitz domains subject to inhomogeneous Neumann (or, more generally, Robin) boundary conditions. We prove existence and uniqueness of weak solutions and their continuity up to the boundary of…

Analysis of PDEs · Mathematics 2011-09-01 Robin Nittka

We present an announcement of some recent results concerning well-posedness of the Poisson-Dirichlet problem with boundary data in Besov spaces with fractional smoothness. This is a far-reaching generalization as previously known theorems…

Analysis of PDEs · Mathematics 2025-06-19 Ariel Barton , Svitlana Mayboroda , Alberto Pacati

This note is a summary of the recent paper [9]. Here, we study the homogenization of elliptic systems with Dirichlet boundary condition, when both the coefficients and the boundary datum are oscillating. In particular, in the paper [9], we…

Analysis of PDEs · Mathematics 2013-01-31 David Gerard-Varet , Nader Masmoudi

This paper focuses on the theoretical study of degenerate parabolic sand transport equations in a non periodic domain with Robin boundary condition. We give existence and uniqueness results for the models which is also homogenized. Finally…

Numerical Analysis · Mathematics 2023-06-27 B. K. Thiam , M. A. M. T. Baldé , I. Faye , D. Seck

In this article we investigate averaging properties of fully nonlinear PDEs in bounded domains with oscillatory Neumann boundary data. The oscillation is periodic and is present both in the operator and in the Neumann data. Our main result…

Analysis of PDEs · Mathematics 2013-02-22 Sunhi Choi , Inwon Kim

In this paper, the asymptotic behavior of the solutions of a monotone problem posed in a locally periodic oscillating domain is studied. Nonlinear monotone boundary conditions are imposed on the oscillating part of the boundary whereas the…

Analysis of PDEs · Mathematics 2024-01-30 S. Aiyappan , G. Cardone , C. Perugia , R. Prakash
‹ Prev 1 2 3 10 Next ›