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On Calculating the Field of a Finite Magnetic Cylinder with an Internal Coaxial Cylindrical Defect

  • ELECTROMAGNETIC METHODS
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Abstract

Using a grid method, the direct problem of magnetostatics is numerically solved by calculating the field of a finite cylinder with constant magnetic permeability containing an inclusion in the form of a coaxial cylinder with a different magnetic permeability. The algorithm has been created for an arbitrary external field. In order to assess the reliability and accuracy of the solution, the results were tested using the problems solved exactly. A comparison is also made with the results of the previously solved problem of a finite defect-free cylinder. Coordinate dependences of the components of the resulting field are constructed for various initial data. The program replenishes the library of magnetic control problems and can be used for qualitative comparison with the results of model experiments, as well as for assessing the geometric characteristics of internal defects.

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Funding

The work was carried out within the framework of the state-budget topic “Electron.”

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Authors and Affiliations

  1. Mikheev Institute of Metal Physics, Ural Branch, Russian Academy of Sciences, 620137, Yekaterinburg, Russia

    V. V. Dyakin, O. V. Kudryashova & V. Ya. Raevskii

Authors
  1. V. V. Dyakin
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  2. O. V. Kudryashova
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  3. V. Ya. Raevskii
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Correspondence to V. V. Dyakin, O. V. Kudryashova or V. Ya. Raevskii.

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Dyakin, V.V., Kudryashova, O.V. & Raevskii, V.Y. On Calculating the Field of a Finite Magnetic Cylinder with an Internal Coaxial Cylindrical Defect. Russ J Nondestruct Test 57, 551–560 (2021). https://doi.org/10.1134/S1061830921070056

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  • DOI: https://doi.org/10.1134/S1061830921070056

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