2024
DOI: 10.1088/1742-6596/2701/1/012103
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Application of two-grid interpolation to enhance average gradient method for solving partial differential equations

Aarne Pohjonen

Abstract: Previously presented method of calculating local average gradients for solving partial differential equations (PDEs) is enhanced by using interpolating gridpoints and triangular grids. The interpolating mesh provides finer computational grid, which is then used for solving the PDE. The combined use of the finer interpolating grid together with the original sparser grid is a two-grid method. By comparing the previous application of rectilinear grid for diffusion from initial point concentration to the new trian… Show more

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