Supercomputer modelling of electromagnetic wave scattering with boundary integral equation methodстатья
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Дата последнего поиска статьи во внешних источниках: 24 апреля 2018 г.
Аннотация:Authors consider the approaches to increase efficiency of calculations
in the problem of numerical modelling of electromagnetic wave
scattering. To solve such kind of problems authors develop innovative
variation of boundary integral equations method based on utilisation of
integral equation with hyper singular integrals which can be solved with
methods of piece-wise approximations and collocations. From numerical
point of view the problem reduces to the solution of the system of
linear equations which coefficients present the influence of cells of mesh
on collocation points. The specialities of parallel algorithms for diffraction
problems are described as for the straight solutions of the appearing
linear systems so as for the approach utilising mosaic-skeleton approximation
method which allows to solve linear equation system calculating
only small part of matrix elements.