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KIAM Preprint  31, Moscow, 2005
Authors: Berezin A. V., Markov M. B., Plyushchenkov B.D.
Locally One-dimensional Finite-difference Scheme for the Electrodynamic Problems with Given Wavefront
Abstract:
The locally one-dimensional finite-difference scheme for three-dimensional Maxwells equations is represented. The scheme destines for numerical solving of problems with initial data on the characteristic surface and has the second order of summary approximation in grid norm on uniform grids. Energy change theorem for presented scheme is the algebraic corollary of its equations, as the difference analogues of electromagnetic energy and Joule heat losses are the positive defined quadratic forms of grid functions of unknowns. This theorem guarantees convergence of difference solution to exact solution with the second order in the energy norm. The convergence speed is checked by the comparison with analytical solutions.
Publication language: russian,  : 24
Research direction:
Mathematical problems and theory of numerical methods
Russian source text:
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