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Finite Element Model Updating in Structural Dynamics
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TLDR
A comparison of Numerical Data with Test Results and Iterative Methods Using Modal Data for Model Updating shows that the former is more accurate than the latter.Abstract:
Preface. 1. Introduction. 2. Finite Element Modelling. 3. Vibration Testing. 4. Comparing Numerical Data with Test Results. 5. Estimation Techniques. 6. Parameters for Model Updating. 7. Direct Methods Using Modal Data. 8. Iterative Methods Using Modal Data. 9. Methods Using Frequency Domain Data. 10. Case Study: an Automobile Body M. Brughmans, J. Leuridan, K. Blauwkamp. 11. Discussion and Recommendations. Index.read more
Citations
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Journal ArticleDOI
A sensitivity‐based finite element model updating based on unconstrained optimization problem and regularized solution methods
Journal ArticleDOI
Novel Dynamic Model Updating Technique for Damped Mechanical System
Shankar Sehgal,Harmesh Kumar +1 more
TL;DR: In this paper, a structural dynamic model updating technique for a damped mechanical system is proposed, in which response surface models have been incorporated instead of finite element models, in order to increase computational efficiency of proposed technique.
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A generic element-based method for joint identification
MJ Ratcliffe,Nicholas A J Lieven +1 more
TL;DR: In this article, a technique that calculates the properties of structural joints by minimising the difference between substructure frequency response functions (FRFs) and assembly FRFs is presented, which is used to force the joint model to maintain the correct connectivity by updating structural parameters and generic element parameters.
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Calibrating a high-fidelity finite element model of a highway bridge using a multi-variable sensitivity-based optimisation approach
TL;DR: In this article, the authors present the implementation of a calibration procedure for a finite element (FE) model of a state highway bridge using sensory data measured on the bridge, which is a steel-concrete composite bridge that is instrumented with a wireless monitoring system to collect its vibration response under ambient vibrations.
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An FE2-X1 approach for multiscale localization phenomena
TL;DR: In this article, a new methodology based on the Hill-Mandel lemma in an FE 2 sense is proposed that is able to deal with localized deformations, which is achieved by decomposing the displacement field of the fine scale model into a homogeneous part, fluctuations, and a cracking part based on additional degrees of freedom (X 1 ).