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Calculation of Stationary Magnetic Fields Based on the Improved Quadrature Formulas for a Simple Layer Potential

Author

Listed:
  • Igor Reznichenko

    (Faculty of Mechanical Engineering, University of Ljubljana, 1000 Ljubljana, Slovenia)

  • Primož Podržaj

    (Faculty of Mechanical Engineering, University of Ljubljana, 1000 Ljubljana, Slovenia)

  • Aljoša Peperko

    (Faculty of Mechanical Engineering, University of Ljubljana, 1000 Ljubljana, Slovenia
    Institute of Mathematics, Physics and Mechanics, 1000 Ljubljana, Slovenia)

Abstract

This research deals with precision calculations of stationary magnetic fields of volumetric bodies. The electrostatics analogy allows for the use of a scalar magnetic potential, which reformulates the original task as a boundary value problem for the Laplace equation. We approach this with the boundary element method, specifically in distance ranges close to the magnetized surface, where existing standard numerical methods are known to struggle. This work presents an approach based on the improved quadrature formulas for the simple layer potential and its normal derivative. Numerical tests confirm significant improvements in calculating the field at any distance from the surface of the magnet.

Suggested Citation

  • Igor Reznichenko & Primož Podržaj & Aljoša Peperko, 2023. "Calculation of Stationary Magnetic Fields Based on the Improved Quadrature Formulas for a Simple Layer Potential," Mathematics, MDPI, vol. 12(1), pages 1-16, December.
    • Handle: RePEc:gam:jmathe:v:12:y:2023:i:1:p:21-:d:1304745
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