Reduced-cost surrogate modelling of compact microwave components by two-level kriging interpolation - Publikacja - MOST Wiedzy

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Reduced-cost surrogate modelling of compact microwave components by two-level kriging interpolation

Abstrakt

Full-wave electromagnetic (EM) analysis is a versatile tool for evaluating the performance of high-frequency components. Its potential drawback is its high computational cost, inhibiting the execution of EM-driven tasks requiring massive simulations. The applicability of equivalent network models is limited owing to the topological complexity of compact microstrip components because of EM cross-coupling effects. Development of alternative representations (surrogate models) is therefore necessary. This article proposes a two-level methodology for reliable modelling of compact microstrip components. The keystone is to define the surrogate domain using the first-level model approximating the set of pre-existing reference designs. This limits the volume of the parameter space region that needs to be sampled when constructing the second-level model. The presented approach provides far greater accuracy than conventional methods and is capable of establishing surrogates covering wide ranges of geometric parameters and operating conditions of a particular structure. Applications for parametric optimization are also provided.

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Informacje szczegółowe

Kategoria:
Publikacja w czasopiśmie
Typ:
artykuł w czasopiśmie wyróżnionym w JCR
Opublikowano w:
ENGINEERING OPTIMIZATION strony 1 - 14,
ISSN: 0305-215X
Język:
angielski
Rok wydania:
2019
Opis bibliograficzny:
Kozieł S., Pietrenko-Dąbrowska A.: Reduced-cost surrogate modelling of compact microwave components by two-level kriging interpolation// ENGINEERING OPTIMIZATION. -, (2019), s.1-14
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1080/0305215x.2019.1630399
Weryfikacja:
Politechnika Gdańska

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