Skip to main content
Log in

A flaw in a sphere

  • Magnetic and Electromagnetic Methods
  • Published:
Russian Journal of Nondestructive Testing Aims and scope Submit manuscript

Abstract

On the basis of the main integrodifferential equation of magnetostatics, a problem of a sphere with an internal inclusion limited by a smooth surface is considered. An equation that must be solved only at the surface confining the inclusion is obtained. The derived equation is tested against known problems. In particular, the direct and inverse problems of a magnetic sphere placed inside a nonmagnetic sphere are considered.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Similar content being viewed by others

References

  1. Dyakin, V.V., Umergalina, O.V., and Raevskii, V.Ya., The Field of a Finite Defect in a 3D Semispace, Defektoskopiya, 2005, no. 8, pp. 28–42 [Russ. J. Nondestr. Test. (Engl. Transl.), 2005, vol. 41, no. 8, pp. 502–513].

  2. Dyakin, V.V., Raevskii, V.Ya., and Kudrjashova, O.V., The Field of a Finite Defect in a Plate, Defektoskopiya, 2009, no. 3, pp. 67–79 [Russ. J. Nondestr. Test. (Engl. Transl.), 2009, vol. 45, no. 3, pp. 199–209].

  3. Mikhlin, S.G., Lineinye uravneniya v chastnykh proizvodnykh (Linear Equations in Partial Derivatives), Moscow: Vysshaya shkola, 1977.

    Google Scholar 

  4. Varshalovich, D.A., Moskaleva, A.N., and Khersonskii, V.K., Kvantovaya teoriya uglovogo momenta (Quantum Theory of Angular Momentum), Leningrad: Nauka, 1975.

    Google Scholar 

  5. Sapozhnikov, A.B., Teoreticheskie osnovy elektromagnitnoi defektoskopii metallicheskikh tel (Theoretical Fundamentals of Electromagnetic Flaw Detection of Metal Bodies), Tomsk: Tomsk Gos. Univer., 1980.

    Google Scholar 

Download references

Author information

Authors and Affiliations

Authors

Corresponding author

Correspondence to O. V. Kudryashova.

Additional information

Original Russian Text © V.V. Dyakin, V.Ya. Raevskii, O.V. Kudryashova, 2009, published in Defektoskopiya, 2009, Vol. 45, No. 9, pp. 16–30.

Rights and permissions

Reprints and permissions

About this article

Cite this article

Dyakin, V.V., Raevskii, V.Y. & Kudryashova, O.V. A flaw in a sphere. Russ J Nondestruct Test 45, 604–615 (2009). https://doi.org/10.1134/S1061830909090022

Download citation

  • Received:

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.1134/S1061830909090022

Keywords

Navigation