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Topology optimisation of electromagnetic devices

Abstract : Topology Optimisation (TO) is a fast growing topic that has been sparking the interest of many researchers for the past two decades in the electromagnetic community. Its attractiveness lies in the originality of finding innovative structures without any layout a priori. This thesis work is oriented towards the TO of electromagnetic devices by elaborating on various aspects of the subject. First of all, a tool for TO is developed and tested, based on the ‘home-made’ tools available at the L2EP. As TO requires a FE and an optimisation tool working together, a coupling is done using both. Furthermore, a TO methodology is developed and tested, based on the Density Method. An academic cubic test case is used to carry out all the tests, and validate the tools and methodology. An approach is also developed to consider the nonlinear behaviour of the ferromagnetic materials with our TO tools. Afterwards, the methodology is applied to a 3D electromagnet, which represents a more real test case. This test case also serves to compare the results with linear and nonlinear behaviour of the materials used. Various topologies are presented, for different problem formulations. Subsequently, the methodology is applied to a more complex electromagnetic device: a Salient Pole Synchronous Generator. This example allows us to see how the problem definition can largely affect TO results. Some topologies are presented and their viability is discussed
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Submitted on : Wednesday, July 3, 2019 - 2:47:24 PM
Last modification on : Wednesday, March 23, 2022 - 3:50:51 PM
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  • HAL Id : tel-01818091, version 1


Bibi Safoorah Bilquis Mohamodhosen. Topology optimisation of electromagnetic devices. Electromagnetism. Ecole Centrale de Lille, 2017. English. ⟨NNT : 2017ECLI0028⟩. ⟨tel-01818091⟩



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