Application of System Equivalent Model Mixing (SEMM) to model the structural dynamic properties of a complex vehicle component using numerical and experimental data

E. Pasma, S. Klaassen, L. Nieuwenhuijse, M. Van Der Seijs, D. Lennström

Research output: Chapter in Book/Conference proceedings/Edited volumeConference contributionScientificpeer-review

3 Citations (Scopus)

Abstract

A popular strategy in structural dynamic modelling is breaking the structure down into separable, manageable substructures. One can choose the most efficient way of modelling the substructures, before synthesizing the full system model. System Equivalent Model Mixing (SEMM) is a new method that allows mixing of frequency-based models, either of numerical or experimental nature, to form a hybrid structural dynamic model. The method expands measured data onto a numerical mode manifold using Lagrange-Multiplier Frequency Based Substructuring (LM-FBS). Hence, SEMM combines the DoF-space of the numerical model with the dynamic properties of the measured substructure. In this paper, SEMM is applied to a complex vehicle component. Frequency Response Function (FRF) measurements on the component are used to enrich the uncalibrated Finite Element Model of the component. The resulting hybrid model comprises interfaces in six degrees of freedom, which is required for the connectivity to neighboring structures in the FBS framework.

Original languageEnglish
Title of host publicationProceedings ofthe 28th International Conference on Noise and Vibration Engineering (ISMA 2018) and the 7th International Conference on Uncertainty in Structural Dynamics (USD 2018)
EditorsD. Moens, W. Desmet, B. Pluymers, W. Rottiers
Place of PublicationLeuven, Belgium
PublisherKU Leuven
Pages4037-4047
ISBN (Electronic)978-907380299-5
Publication statusPublished - 2018
EventISMA 2018: 28th International Conference on Noise and Vibration Engineering and USD 2018: 7th International Conference on Uncertainty in Structural Dynamics - Leuven, Belgium
Duration: 17 Sep 201819 Sep 2018

Conference

ConferenceISMA 2018: 28th International Conference on Noise and Vibration Engineering and USD 2018: 7th International Conference on Uncertainty in Structural Dynamics
CountryBelgium
CityLeuven
Period17/09/1819/09/18

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