Solution of the inverse problem of creating a uniform magnetic field in coercimeters with partially closed magnetic systems

The use of a hybrid optimization technology by a swarm of particles with the evolutionary formation of swarm composition is considered together with the method of spatial integral equations in the synthesis of axially symmetric magnetic systems of coercimeters that contain ferromagnetic elements. Th...

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Bibliographic Details
Published in:Russian journal of nondestructive testing 2011-05, Vol.47 (5), p.295-307
Main Authors: Galchenko, V. Ya, Yakimov, A. N., Ostapushchenko, D. L.
Format: Article
Language:English
Subjects:
Characterization and Evaluation of Materials
Chemistry and Materials Science
Ferromagnetism
Integral equations
Magnetic fields
Magnetic Methods
Materials Science
Nondestructive testing
Optimization
Poles
Structural Materials
Synthesis
Variability
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Summary:The use of a hybrid optimization technology by a swarm of particles with the evolutionary formation of swarm composition is considered together with the method of spatial integral equations in the synthesis of axially symmetric magnetic systems of coercimeters that contain ferromagnetic elements. The required uniformity of the magnetic field in the working volume is ensured by the optimal selection of the shape of pole pieces of a magnetizing device. A number of measures are proposed that allow acceleration of the synthesis process owing to shortening of the time spent for solving the problem of analyzing the distribution of the magnetic field in the working volume of the coercimeter.
ISSN:1061-8309
1608-3385
DOI:10.1134/S1061830911050056