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2017 | Supplement | Buchkapitel

9. ArbiLoMod: Local Solution Spaces by Random Training in Electrodynamics

verfasst von : Andreas Buhr, Christian Engwer, Mario Ohlberger, Stephan Rave

Erschienen in: Model Reduction of Parametrized Systems

Verlag: Springer International Publishing

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Abstract

The simulation method ArbiLoMod (Buhr et al., SIAM J. Sci. Comput. 2017, accepted) has the goal of providing users of Finite Element based simulation software with quick re-simulation after localized changes to the model under consideration. It generates a Reduced Order Model (ROM) for the full model without ever solving the full model. To this end, a localized variant of the Reduced Basis method is employed, solving only small localized problems in the generation of the reduced basis. The key to quick re-simulation lies in recycling most of the localized basis vectors after a localized model change. In this publication, ArbiLoMod’s local training algorithm is analyzed numerically for the non-coercive problem of time harmonic Maxwell’s equations in 2D, formulated in H(curl).

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Metadaten
Titel
ArbiLoMod: Local Solution Spaces by Random Training in Electrodynamics
verfasst von
Andreas Buhr
Christian Engwer
Mario Ohlberger
Stephan Rave
Copyright-Jahr
2017
DOI
https://doi.org/10.1007/978-3-319-58786-8_9