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Showing 1 to 13 of 13 for “"Finite Element Model Updating"”.
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Finite Element Model Updating for Rotary Machinery
… of this thesis was to develop a mathematical model that represents a rotary machine. Experimental data was used to define a finite element model (FEM). In order to obtain the experimental data, the rotary machine had to be balanced. An impact hammer test made it possible to obtain frequency …
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Vibration-based finite element model updating and structural damage identification
… of this research are to develop a procedure for finite element model updating by using incomplete modal data identified from vibration measurements, to develop real time structural damage detecting method by directly using vibration measurements and then identify the damage at detailed location …
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Computation of a Damping Matrix for Finite Element Model Updating
… dominated by energy dissipation. The process of modeling damping matrices and experimental verification of those is challenging because damping can not be determined via static tests as can mass and stiffness. Furthermore, damping is more difficult to determine from dynamic measurements than …
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Finite element model updating and damage detection using artificial boundary conditions
… conditions. Use of the ABCs in sensitivity-based model updating and damage detection in conjunction with baseline data provides improved error localization and results in a more accurate finite element model.
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Bayesian-based Finite Element Model Updating, Damage Detection, and Uncertainty Quantification for Cable-stayed Bridges
… with uncertainty in measurements and analytical models of structures, performing a real-world application of Bayesian Finite Element (FE) model updating, and Bayesian-based damage detection. The proposed research focuses on the following tasks: 1) development of an autonomous data pre-processing …
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Finite element model updating of concrete arch dams affected by alkali-silica reaction using ambient vibration monitoring and dam surveillance data
… structural behaviour analysis through numerical models such as finite element (FE) models, is a crucial aspect of dam safety evaluations that allows dam safety engineers to predict the current and future behaviour of dams under various load combinations. The challenge in finite element analysis …
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Computer-aided Engineering Tools for Structural Health Monitoring under Operational Conditions
… the thesis presents a new approach for optimum model selection during vibration-based finite element model updating of civil structures. The goal of this approach is to provide an evidence-based approach to model selection to ensure physical meaning in the non-unique optimum solutions obtained …
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Operational modal analysis and model updating with a cyclostationary input
… of the system can be recovered by employing finite element model updating in conjunction with this regeneration. In addition, the contribution made to model updating by the anti-resonances is also investigated. Finally, the potential of OMA to inform a model updating process is demonstrated …
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Identification of material model parameters using full-field metrology, inverse techniques and uncertainty quantification
Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2026-08-01
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Investigation of the dynamic behavior of a cable-harnessed structure
To obtain predictive modeling of a spacecraft, the author investigates the effects of adding cables to a simple structure with the goal of developing an understanding of how cables interacting with a structure. In this research, the author presents predictive and accurate modeling of a …
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Model updating of modal parameters from experimental data and applications in aerospace
… the correction of the corresponding mathematical models using the results of experimental investigations as a reference. A comprehensive finite-element model updating software technology is assembled and various novel features are implemented. The software technology is integrated into an …
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Non-linear analysis and dynamic monitoring methods for the safety assessment of bridges and viaducts
L'abstract è presente nell'allegato / the abstract is in the attachment
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FEM updating applications using Computational Intelligence Techniques [Applicazioni di updating di FEM utilizzando tecniche di Tecniche di intelligenza computazionale]
… di ottimizzazione per l'aggiornamento dei modelli agli elementi finiti (FEM) che vengono utilizzati per modellare strutture complesse, anche nel campo dell'ingegneria strutturale e in particolare per la modellazione di ponti, gallerie ecc. In particolare, questo lavoro di tesi è stato …