A Finite Element based strategy is proposed for the evaluation of magnetic permeability for the equivalent homogenized material of a magnetic shielding mortar containing ferromagnetic particles. The representation of the composite mixture is done by using elements of the mesh as 3-D inclusions. A statistical analysis is performed on thousands of meshes representing the same sample geometry, with different inclusions distribution. The homogenization process is posed in form of a non-linear inverse problem. To solve it, a powerful parallel algorithm based on swarm intelligence is used. The obtained results are validated through an experimental setup.

Effective permeability estimation of a composite magnetic shielding mortar by using swarm intelligence

Coco S.;Pollicino G.
2018

Abstract

A Finite Element based strategy is proposed for the evaluation of magnetic permeability for the equivalent homogenized material of a magnetic shielding mortar containing ferromagnetic particles. The representation of the composite mixture is done by using elements of the mesh as 3-D inclusions. A statistical analysis is performed on thousands of meshes representing the same sample geometry, with different inclusions distribution. The homogenization process is posed in form of a non-linear inverse problem. To solve it, a powerful parallel algorithm based on swarm intelligence is used. The obtained results are validated through an experimental setup.
effective permeability; finite element method; Homogenization technique; magnetic shielding
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/20.500.11769/366599
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