WAVE ITERATIVE PROCESS VALIDATION FOR 3D SPHERICAL METALLIC OBSTACLE SCATTERING

Autor/autori: Lecturer Eng. Nicolae LUCANU, PhD, Lecturer. Eng. Irinel Valentin PLETEA PhD, Professor Eng. Ion BOGDAN PhD, Professor Eng. Henri BAUDRAND PhD (Franta)

Rezumat: Lucrarea prezinta o aplicatie a Metodei Iterative Bazata pe Conceptul de Unda (WIP) in cazul studiului difractiei unei unde electromagnetice plane pe suprafata unui obstacol metalic 3D. Aplicatia este realizata in scopul validarii Metodei Iterative in cazul unei probleme clasice de difractie. Se trateaza Cazul unui obstacol difractant sferic. Se studiaza convergentele modala si iterativa. Se evalueaza densitatea de curent de pe suprafata sferei, rezultatele obtinute fiind comparate cu solutia analitica exacta disponibila pentru acest caz particular.

Cuvinte cheie: difractie, unda plana, conceptul de unda, sfera metalica


Abstract: The paper presents an application of the Wave Iterative Process (WIP) in the case of the study of the scattering of an electromagnetic plane wave by a metallic 3D obstacle. The application is made in order to validate the original Iterative Method for a classical metallic obstacle diffraction problem. The case of a spherical scatterer is treated. Modal and iterative convergences are studied. Current density is calculated and compared with the exact solution available for this particular case.

Keywords: scattering, plane wave, wave concept, metallic sphere

 

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