Efficient calculation of transient eddy current response from multilayer cylindrical conductive media
arxiv(2024)
摘要
The transient response from a transmitter-receiver coil system inside a
multi-layer cylindrical conductive configuration is obtained. The particular
set-up applies to well logging as well as to eddy current tube testing. In this
work, a number of improvements are presented to existing models for an
efficient calculation of the induced voltage. These include: domain truncation,
novel treatment of arbitrary number of layers in order to avoid computational
overflows and efficient time response calculation. The latter is based on a
combination of Laplace inversion techniques for short- and long-time transient
responses. This article is part of the theme issue 'Advanced electromagnetic
non-destructive evaluation and smart monitoring'.
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