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Objective selection of minimum acceptable mesh refinement for EMC simulations

Abstrakt

Optimization of computational electromagnetics (CEM) simulation models can be costly in both time and computing resources. Mesh refinement is a key parameter in determining the number of unknowns to be processed. In turn, this controls the time and memory required for a simulation. Hence, it is important to use only a mesh that is good enough for the objectives of the simulation, whether for direct handling of high-fidelity EM models or, even more importantly, for setting up low-fidelity models in a variable-fidelity optimization. On the other hand, in the early stages of an optimization process, a relatively coarse mesh can show whether the governing parameters of the simulation are being appropriately modeled. As the simulation geometry approaches its target, the mesh definition becomes more refined. This letter presents initial results for an approach to identify-ing the minimum acceptable mesh coarseness based on the projected evolution of FSV's global difference measure when a model is refined from a very crude representation rather than the more usual high-fidelity model. Future work to verify the generality of this letter could provide substantial savings in time and effort for CEM analysis in EMC.

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Informacje szczegółowe

Kategoria:
Publikacja w czasopiśmie
Typ:
artykuł w czasopiśmie wyróżnionym w JCR
Opublikowano w:
IEEE TRANSACTIONS ON ELECTROMAGNETIC COMPATIBILITY nr 57, strony 1266 - 1269,
ISSN: 0018-9375
Język:
angielski
Rok wydania:
2015
Opis bibliograficzny:
Duffy A., Zhang G., Kozieł S., Wang L.: Objective selection of minimum acceptable mesh refinement for EMC simulations// IEEE TRANSACTIONS ON ELECTROMAGNETIC COMPATIBILITY. -Vol. 57, nr. 5 (2015), s.1266-1269
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1109/temc.2015.2417523
Weryfikacja:
Politechnika Gdańska

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