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An FFT Based Fast Poisson Solver on Spherical Shells
Published online by Cambridge University Press: 20 August 2015
Abstract
We present a fast Poisson solver on spherical shells. With a special change of variable, the radial part of the Laplacian transforms to a constant coefficient differential operator. As a result, the Fast Fourier Transform can be applied to solve the Poisson equation with operations. Numerical examples have confirmed the accuracy and robustness of the new scheme.
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- Copyright © Global Science Press Limited 2011
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