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Numerical Modeling and Analysis of an Electromagnetic Device Using a Weakly Coupled Magnetostatic-Mechanical Formulation and the 2D Finite Element Method

Author

Listed:
  • Manuel Pineda-Arciniega

    (La Laguna Institute of Technology, TNM, Torreon 27000, Mexico)

  • Marco A. Arjona

    (La Laguna Institute of Technology, TNM, Torreon 27000, Mexico)

  • Concepcion Hernandez

    (La Laguna Institute of Technology, TNM, Torreon 27000, Mexico)

  • Rafael Escarela-Perez

    (Energy Department, Metropolitan Autonomous University-Azcapotzalco, Mexico City 02128, Mexico)

Abstract

This paper presents a methodology to program the weak coupling between magnetic and structural vector fields in an electromagnetic device modeled in two dimensions. The magneto-mechanical coupling phenomenon is present in electromagnetic devices where magnetic forces cause displacements in metallic materials. This work proposes a numerical solution to this problem by applying the 2D finite element method to the governing equations of this coupled multiphysics phenomenon. The well-known formulation yields accurate results; however, it is often not properly integrated into a computer program. This manuscript proposes a flexible and intuitive methodology for the implementation of the complex mathematics involved in this phenomenon into a computer program. The computer code receives the input parameters, discretizes the geometry by generating a 2D finite mesh, solves the resulting equations using the finite element method, and finally exports the results of the magnetic ang mechanical fields. The modeling is performed using an open-source platform for programming the finite element method in the programming language Python, and afterwards, the results are compared against a commercial software as validation of the proposed numerical approach. The novel magneto-mechanical coupling methodology is used to solve an engineering application, namely an electromagnetic actuator.

Suggested Citation

  • Manuel Pineda-Arciniega & Marco A. Arjona & Concepcion Hernandez & Rafael Escarela-Perez, 2023. "Numerical Modeling and Analysis of an Electromagnetic Device Using a Weakly Coupled Magnetostatic-Mechanical Formulation and the 2D Finite Element Method," Energies, MDPI, vol. 16(5), pages 1-13, February.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:5:p:2182-:d:1078959
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    References listed on IDEAS

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    1. Ruhai Li & Chaoshun Li & Xuanlin Peng & Wei Wei, 2017. "Electromagnetic Vibration Simulation of a 250-MW Large Hydropower Generator with Rotor Eccentricity and Rotor Deformation," Energies, MDPI, vol. 10(12), pages 1-19, December.
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