Computational relationships for the development of software for calculating magnetostatic fields from flaws in arbitrarily shaped ferromagnetic products

Based on the integral equation for the stray magnetic field strength inside a magnetized article, computational relationships have been derived in the form of a matrix equation that is convenient when developing software for modeling the distribution of magnetization in arbitrarily shaped articles w...

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Bibliographic Details
Published in:Russian journal of nondestructive testing 2017-11, Vol.53 (11), p.755-764
Main Authors: Pechenkov, A. N., Scherbinin, V. E., Shleenkov, S. A., Bulychev, O. A.
Format: Article
Language:English
Subjects:
Characterization and Evaluation of Materials
Chemistry and Materials Science
Computation
Ferromagnetism
Field strength
Integral equations
Magnetic fields
Magnetic Methods
Magnetostatic fields
Materials Science
Software development
Structural Materials
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Summary:Based on the integral equation for the stray magnetic field strength inside a magnetized article, computational relationships have been derived in the form of a matrix equation that is convenient when developing software for modeling the distribution of magnetization in arbitrarily shaped articles with different flaws and for calculating and imaging external magnetic fields of the magnetized article. On this basis, a program has been developed that is most suitable for the case where the article boundaries and flaws can be sufficiently accurately defined on a three-dimensional grid with identical rectangular cells.
ISSN:1061-8309
1608-3385
DOI:10.1134/S1061830917110079