Determination of the electromagnetic properties in magnetic composite materials by inverse homogenisation |
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Authors: | Oriano Bottauscio Mario Chiampi Alessandra Manzin |
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Affiliation: | 1. Istituto Nazionale di Ricerca Metrologica (INRIM), Strada delle Cacce 91, 10135 Torino, Italy;2. Dip. di Ingegneria Elettrica, Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Torino, Italy |
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Abstract: | The paper proposes a numerical procedure for evaluating the geometrical and electromagnetic properties of the microstructure of a heterogeneous medium starting from the material effective characteristics. The identification process is developed by applying an inverse homogenisation technique, based on multiple scale expansion theory. The Newton–Raphson scheme and the Rosenbrock algorithm are tested. The efficiency of the second approach is proved by reporting several numerical results. |
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Keywords: | 02.30.Zz 75.40.Mg |
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