Numerical Computation of High-Voltage Field by Finite Element Method

ABSTRACT Finite element method (FEM) is a general procedure that may be adapted to approximate the solution to various partial differential equations. Two such equations in electric field analysis are Laplace’s and Poisson’s equations. Over the course of last five decades, FEM has been proved to be very efficient in electric field analysis in two-dimensional (2D), axi-symmetric and three-dimensional (3D) systems having multiple dielectric media. Basic FEM formulations in all these systems have been discussed in this chapter. The variational approach of minimizing the functional, namely, potential energy of electric field, has been taken as the basis of FEM formulation. ...

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