Efficient sensitivity analysis of lumped elements with respect to finite‐element geometry changes | Zendy

Stysch Jonathan | Zendy; Klaedtke Andreas | Zendy; De Gersem Herbert | Zendy; Aichele Hermann | Zendy

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Efficient sensitivity analysis of lumped elements with respect to finite‐element geometry changes

Author(s) -

Stysch Jonathan,

Klaedtke Andreas,

De Gersem Herbert,

Aichele Hermann

Publication year - 2022

Publication title -

international journal of numerical modelling: electronic networks, devices and fields

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.249

H-Index - 30

eISSN - 1099-1204

pISSN - 0894-3370

DOI - 10.1002/jnm.3012

Subject(s) - finite element method , sensitivity (control systems) , choke , computation , computer science , filter (signal processing) , mathematics , algorithm , electronic engineering , engineering , structural engineering , electrical engineering , computer vision

Sensitivity analysis enables powerful gradient‐based mathematical programming techniques in the optimization of electromechanical products with respect to electromagnetic compatibility requirements. We present a sensitivity analysis method based on finite element solutions of both a magnetoquasistatic system in a tree‐cotree gauge and an electrostatic system. A repeated application of the adjoint method ensures a high computational efficiency, which is showcased in a comparison with an earlier approach. Application examples provided are the optimization of a noise filter and the sensitivity computation of a choke with dispersive magnetic core.

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