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

Manuel Pineda-Arciniega (), Marco A. Arjona, Concepcion Hernandez and Rafael Escarela-Perez
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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

Energies, 2023, vol. 16, issue 5, 1-13

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.

Keywords: magnetic; mechanical; multiphysics; coupled problems; finite element method (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2023
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