Solving two dimensional second order elliptic equations in exterior domains using the inverted finite elements method

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Abstract

In this paper, inverted finite element method is used for solving two-dimensional second order elliptic equations with a Dirichlet boundary condition in an exterior domain. After laying down the method, and after giving an estimate of the error, we detail how its implementation can be accomplished. Numerical results show the high efficiency and the accuracy of the method, especially for equations with infinitely varying coefficients.

Keywords

Inverted finite elements
Exterior domain
Elliptic equation
Unbounded domains

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