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Article type: Research Article
Authors: Di Barba, Paoloa | Mognaschi, Maria Evelinaa; | Nowak, Tomaszb | Blaszczyk, Andreasc
Affiliations: [a] Department of Electrical, Computer and Biomedical Engineering, University of Pavia, Pavia, Italy | [b] ABB Krakow, Poland | [c] ABB Daettwil, Switzerland
Correspondence: [*] Corresponding author: Maria Evelina Mognaschi, Department of Electrical, Computer and Biomedical Engineering, University of Pavia, via Ferrata 5, 27100 Pavia, Italy. Tel.: +39 0382985785; Fax: +39 0382 422276; E-mail: [email protected]
Abstract: A method of free-form optimisation for shaping an electrode surface is proposed in the context of shape design of high voltage devices. The subsequent comparison of various optimisation approaches in dielectric design is developed. In particular, a mesh-based model, driven by free-form optimisation, is presented and compared with a parameter-based model and a NURBS-based model driven by parametric optimisation algorithms. In each model, the electric field analysis is computed by means of the Boundary Element Method. In order to assess the proposed method in a comparative way, the optimal shape design of a L-shaped tunnel electrode and a ring electrode are considered as the case studies.
Keywords: Free-form optimisation, shape design, dielectrics, boundary element method
DOI: 10.3233/JAE-191109
Journal: International Journal of Applied Electromagnetics and Mechanics, vol. 60, no. S1, pp. S101-S113, 2019
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