Eddy current analysis for 3-D problems using the boundary element method
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Begun in 1973, the Review of Progress in Quantitative Nondestructive Evaluation (QNDE) is the premier international NDE meeting designed to provide an interface between research and early engineering through the presentation of current ideas and results focused on facilitating a rapid transfer to engineering development.
This site provides free, public access to papers presented at the annual QNDE conference between 1983 and 1999, and abstracts for papers presented at the conference since 2001.
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Abstract
A modified boundary integral equation/boundary element method (BIE/BEM) is being developed for eddy current problems in three dimensions. Maxwell’s equations governing the eddy current problems are formulated in two sets of BIE’s, one for the electric field and the other for the magnetic field. These BIE’s involve both the field and the normal derivative of the field, for both exterior (air) and interior (metal) regions. In addition to the usual set of interface conditions involving only the field, a set of interface conditions involving the normal derivatives of the field is derived by applying Maxwell’s equations near the interface. The present approach represents a departure from the existing BIE formulation for eddy current problems (see, e.g. [1–3]) in which normal derivatives of the field do not explicitly appear.