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Résumé : |
This work aims at providing efficient numerical schemes for the
simulation of diffraction by thin wires. Concerning
electromagnetics, Holland model already provides precise results for
such computations. However this method requires to calculate
numerically the value of some unknown parameter. It
appears that the correct value for this parameter substantially
depends on the surrounding part of the mesh. For a model case of acoustic
diffraction we propose an alternative method that does not require
evaluating any parameter. We prove consistancy of such a method and show
how it is related to the Holland method. This leads to a theoretical
value of the Holland parameter. |
