Journal Article Generation of Equivalent Circuit From Finite-Element Model Using Model Order Reduction

Sato, Yuki  ,  Igarashi, Hajime

52 ( 3 )  , p.1100304 , 2016-03 , IEEE (Institute of Electrical and Electronics Engineers)
This paper proposes an equivalent-circuit generation from the finite-element (FE) model of electromagnetic devices using a model order reduction (MOR). In this method, an equivalent circuit is directly generated from the reduced transfer function obtained using MOR based on Pade approximation via the Lanczos process. It is shown that the generated circuit yields sufficiently accurate results in both frequency and time domains. Moreover, the computational time of the present method is much shorter than that of the circuit generation based on frequency sweep using the conventional FE analysis.

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