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Erschienen in:
2019 | OriginalPaper | Buchkapitel
Model Order Reduction Adapted to Steel Beams Filled with a Composite Material
verfasst von : Paweł Dunaj, Michał Dolata, Stefan Berczyński
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Abstract
In presented paper, an analysis of model order reduction (MOR) techniques applied to steel beams filled with a composite material is presented. This research concerns specific construction solutions used in technological machines. The analyzes concern three reduction methods: Guyan reduction also referred as static condensation, Craig-Bampton reduction and Kammer reduction. These techniques are applied to matrix equations describing steel beams filled with a composite material model, established by the finite element method (FEM). The article contains information about preparation of the full model and model parameters identification process. To verify FEM model quality its results are compared to experimental modal analysis results. The analysis compares and contrasts the MOR techniques by considering the nature of the individual algorithms and analyzing results of numerical example. The comparison of reduced models computational time at subsequent stages have also been made.