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In this paper we study the local wellposedness of the solution to a non-linear parabolic-dispersive coupled system which models a Micro-Electro-Mechanical System (MEMS). A simple electrostatically actuated MEMS capacitor device has two…

偏微分方程分析 · 数学 2023-12-06 Heiko Gimperlein , Runan He , Andrew A. Lacey

Local well-posedness for a nonlinear parabolic-hyperbolic coupled system modelling Micro-Electro-Mechanical System (MEMS) is studied. The particular device considered is a simple capacitor with two closely separated plates, one of which has…

偏微分方程分析 · 数学 2024-04-09 Heiko Gimperlein , Runan He , Andrew A. Lacey

In this work, we study the local wellposedness of the solution to a nonlinear elliptic-dispersive coupled system which serves as a model for a Micro-Electro-Mechanical System (MEMS). A simple electrostatically actuated MEMS capacitor device…

偏微分方程分析 · 数学 2023-06-28 Heiko Gimperlein , Runan He , Andrew A. Lacey

A free boundary problem modeling a microelectromechanical system (MEMS) consisting of a fixed ground plate and a deformable top plate is considered, the plates being held at different electrostatic potentials. It couples a second order…

偏微分方程分析 · 数学 2016-12-20 Philippe Laurençot , Christoph Walker

A model for a MEMS device, consisting of a fixed bottom plate and an elastic plate, is studied. It was derived in a previous work as a reinforced limit when the thickness of the insulating layer covering the bottom plate tends to zero. This…

偏微分方程分析 · 数学 2020-04-01 Philippe Laurençot , Katerina Nik , Christoph Walker

A coupled system consisting of a quasilinear parabolic equation and a semilinear hyperbolic equation is considered. The problem arises as a small aspect ratio limit in the modeling of a MEMS device taking into account the gap width of the…

偏微分方程分析 · 数学 2024-04-25 Christoph Walker

An idealized electrostatically actuated microelectromechanical system (MEMS) involving an elastic plate with a heterogeneous dielectric material is considered. Starting from the electrostatic and mechanical energies, the governing evolution…

偏微分方程分析 · 数学 2017-07-06 Philippe Laurencot , Christoph Walker

A parabolic free boundary problem modeling a three-dimensional electrostatic MEMS device is investigated. The device is made of a rigid ground plate and an elastic top plate which is hinged at its boundary, the plates being held at…

偏微分方程分析 · 数学 2021-03-12 Katerina Nik

A semilinear parabolic equation with constraint modeling the dynamics of a microelectromechanical system (MEMS) is studied. In contrast to the commonly used MEMS model, the well-known pull-in phenomenon occurring above a critical potential…

偏微分方程分析 · 数学 2017-07-13 Philippe Laurencot , Christoph Walker

We consider a free boundary problem modeling electrostatic microelectromechanical systems. The model consists of a fourth-order damped wave equation for the elastic plate displacement which is coupled to an elliptic equation for the…

偏微分方程分析 · 数学 2014-04-28 Philippe Laurencot , Christoph Walker

This dissertation presents a new coupled electro-mechanical model that is an improvement on the classical parallel-plate approximation. The model employs a hyperbolic function to account for the beam deformed shape and electrostatic field.…

应用物理 · 物理学 2017-08-24 Xi Luo

Micro-Electro Mechanical Systems (MEMS) are defined as very small structures that combine electrical and mechanical components on a common substrate. Here, the electrostatic-elastic case is considered, where an elastic membrane is allowed…

动力系统 · 数学 2026-04-10 Annalisa Iuorio , Nikola Popovic , Peter Szmolyan

The evolution problem for a membrane based model of an electrostatically actuated microelectromechanical system (MEMS) is studied. The model describes the dynamics of the membrane displacement and the electric potential. The latter is a…

偏微分方程分析 · 数学 2012-11-27 Joachim Escher , Philippe Laurencot , Christoph Walker

Well-posedness of a free boundary problem for electrostatic microelectromechanical systems (MEMS) is investigated when nonlinear bending effects are taken into account. The model describes the evolution of the deflection of an electrically…

偏微分方程分析 · 数学 2014-09-26 Philippe Laurencot , Christoph Walker

In the present work we study the well-known Two Capacitor Problem from a new perspective. Although this problem has been thoroughly investigated, as far as we know there are no studies of the thermodynamic aspects of the discharge process.…

经典物理 · 物理学 2012-06-12 Vitor Lara , Alexandre P. Lima , Antônio T. Costa

A variational approach is employed to find stationary solutions to a free boundary problem modeling an idealized electrostatically actuated MEMS device made of an elastic plate coated with a thin dielectric film and suspended above a rigid…

偏微分方程分析 · 数学 2014-09-10 Philippe Laurencot , Christoph Walker

The response of a model micro-electrochemical system to a time-dependent applied voltage is analyzed. The article begins with a fresh historical review including electrochemistry, colloidal science, and microfluidics. The model problem…

软凝聚态物质 · 物理学 2009-11-10 Martin Z. Bazant , Katsuyo Thornton , Armand Ajdari

Micro-Electro-Mechanical Systems (MEMS) normally have fixed or moving structures with cross-sections of the order of microns ($\mu m$) and lengths of the order of tens or hundreds of microns. These structures are often plates or array of…

计算物理 · 物理学 2007-05-23 N. Majumdar , S. Mukhopadhyay

The aim of this paper is to deal with multi-physics simulation of micro-electro-mechanical systems (MEMS) based on an advanced numerical methodology. MEMS are very small devices in which electric as well as mechanical and fluid phenomena…

其他计算机科学 · 计算机科学 2007-11-29 V. Rochus , J. -C. Golinval , C. Louis , C. Mendez , I. Klapka

This paper is a computational bifurcation analysis of a non-linear partial differential equation (PDE) characterizing equilibrium configurations in Micro electromechanical Systems (MEMS). MEMS are engineering systems that utilize…

动力系统 · 数学 2024-01-24 Charles Naudet , Alan E. Lindsay
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