Abstract
In this paper, a compact high order accurate finite difference scheme on non-uniform meshes network to solve the 3D Poisson equation is presented. We considered here the development of classical Numerov’s method in combination with nonuniform quasi-variable meshes network. The theoretical validation of the present scheme is considered by means of irreducibility and monotonicity criteria of the coefficient matrix obtained from difference equations. Numerical tests are presented to validate the theoretical prediction of the proposed scheme.
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