کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
498654 863007 2011 11 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Application of the FEM with adaptivity for electromagnetic inverse medium scattering problems
موضوعات مرتبط
مهندسی و علوم پایه مهندسی کامپیوتر نرم افزارهای علوم کامپیوتر
پیش نمایش صفحه اول مقاله
Application of the FEM with adaptivity for electromagnetic inverse medium scattering problems
چکیده انگلیسی

The paper presents a study of solution of inverse medium scattering problems for 3D time-harmonic electromagnetics. The solution is based on minimization of the misfit function between the observed scattered fields and trial solutions of direct problems for the sought approximate distribution of electric permittivity. The sources of illuminating waves and the observation points of the scattered fields are located in the nearfield the scatterer. The simulations of the direct problems are performed with the Finite Element Method. Application of adaptive mesh refinement to improve accuracy of solutions is illustrated. Tests with real- and complex-valued distributions of electric permittivity, and with complete and incomplete measurement data are presented.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Computer Methods in Applied Mechanics and Engineering - Volume 200, Issues 29–32, 1 July 2011, Pages 2337–2347
نویسندگان
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