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Three‐dimensional eddy current analysis by multi‐order vector finite elements

We propose a new method based on the use of multi‐order vector finite elements in three‐dimensional eddy current analysis. The edges, faces, and volumes of the multi‐order elements have the orders of the respective shape functions. In order to achieve high efficiency in numerical calculation, high‐order elements are assigned in the important areas of the eddy current model, low‐order elements in the surrounding areas, and multi‐order elements in the intermediate areas joining the two other types of areas. The results obtained by the use of multi‐order elements are compared with those obtained by full high‐order elements and by full low‐order elements. © 2009 Wiley Periodicals, Inc. Electr Eng Jpn, 167(4): 9–15, 2009; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/eej.20774