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Electromagnetic Field Computation in Magnetic and Conductive Thin Sheets

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Abstract:

The finite element method (FEM) is one of the most important techniques of computer modeling because it has a high geometric adaptation capability that makes possible the computation of a great variety of configurations. Nevertheless, the study of special structures that have a geometric dimension smaller than others, creates meshing difficulties. In this paper, the use of shell elements for modeling magnetic and/or conductive thin regions in finite element method is presented. This approach avoids the meshing problems of thin regions. The weak formulation is based on a* for (2D) problem and t- for (3D) problem. The results are compared with analytic exact solutions.

Keywords: EDDY CURRENT SENSORS; FINITE ELEMENT METHOD; SHELL ELEMENTS; THIN REGIONS

Document Type: Research Article

DOI: http://dx.doi.org/10.1166/sl.2009.1093

Publication date: June 1, 2009

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