Improved fast Gauss transform for meshfree electromagnetic transients simulations

Francomano, Elisa; Ala, Guido; Paliaga, Marta

doi:10.1016/j.aml.2019.03.030

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Cited by 3 publications

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The smoothed particle hydrodynamics method via residual iteration

Francomano

Paliaga

2019

Computer Methods in Applied Mechanics and Engineering

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In this paper we propose for the first time an iterative approach of the Smoothed Particle Hydrodynamics (SPH) method. The method is widespread in many areas of science and engineering and despite its extensive application it su↵ers from several drawbacks due to inaccurate approximation at boundaries and at irregular interior regions. The presented iterative process improves the accuracy of the standard method by updating the initial estimates iterating on the residuals. It is appealing preserving the matrix-free nature of the method and avoiding to modify the kernel function. Moreover the process refines the SPH estimates and it is not a↵ected by disordered data distribution. We discuss on the numerical scheme and experiments with a bivariate test function and di↵erent sets of data validate the adopted approach.

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