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Govers, Yves and Khodaparast, H.H. and Mottershead, J.E. and Link, M. (2014) Stochastic Model Updating of the DLR AIRMOD Structure. In: Vulnerability, Uncertainty, and Risk: Quantification, Mitigation, and Management, pp. 475-484. American Society of Civil Engineers (ASCE). 2nd International Conference on Vulnerability and Risk Analysis and Management (ICVRAM) and the 06th International Symposium on Uncertainty Modeling and Analysis (ISUMA), 2014-07-13 - 2014-07-16, Liverpool, Großbritannien. doi: 10.1061/9780784413609.04.
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Abstract
The problem of stochastic model updating is addressed by means of the application of two methods (covariance and interval model updating) to the DLR AIRMOD structure which is repeatedly disassembled and reassembled to provide a database of modal variability due to uncertainty in joint and support stiffnesses and masses of cables and screws. It is shown that the measured data is fully enclosed by the results of both methods. The interval method is the more conservative, but does not assume any form of probabilistic model. The covariance method involves an assumption of normality
| Item URL in elib: | https://elib.dlr.de/91519/ | ||||||||||||||||||||
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| Document Type: | Conference or Workshop Item (Speech) | ||||||||||||||||||||
| Title: | Stochastic Model Updating of the DLR AIRMOD Structure | ||||||||||||||||||||
| Authors: |
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| Date: | 2014 | ||||||||||||||||||||
| Journal or Publication Title: | Vulnerability, Uncertainty, and Risk: Quantification, Mitigation, and Management | ||||||||||||||||||||
| Refereed publication: | Yes | ||||||||||||||||||||
| Open Access: | No | ||||||||||||||||||||
| Gold Open Access: | No | ||||||||||||||||||||
| In SCOPUS: | No | ||||||||||||||||||||
| In ISI Web of Science: | No | ||||||||||||||||||||
| DOI: | 10.1061/9780784413609.04 | ||||||||||||||||||||
| Page Range: | pp. 475-484 | ||||||||||||||||||||
| Publisher: | American Society of Civil Engineers (ASCE) | ||||||||||||||||||||
| Status: | Published | ||||||||||||||||||||
| Keywords: | stochastic model updating, airmod structure, modal variability, covariance method | ||||||||||||||||||||
| Event Title: | 2nd International Conference on Vulnerability and Risk Analysis and Management (ICVRAM) and the 06th International Symposium on Uncertainty Modeling and Analysis (ISUMA) | ||||||||||||||||||||
| Event Location: | Liverpool, Großbritannien | ||||||||||||||||||||
| Event Type: | international Conference | ||||||||||||||||||||
| Event Start Date: | 13 July 2014 | ||||||||||||||||||||
| Event End Date: | 16 July 2014 | ||||||||||||||||||||
| HGF - Research field: | other | ||||||||||||||||||||
| HGF - Program: | other | ||||||||||||||||||||
| HGF - Program Themes: | other | ||||||||||||||||||||
| DLR - Research area: | no assignment | ||||||||||||||||||||
| DLR - Program: | no assignment | ||||||||||||||||||||
| DLR - Research theme (Project): | no assignment, L - Flexible Aircraft (old) | ||||||||||||||||||||
| Location: | Göttingen | ||||||||||||||||||||
| Institutes and Institutions: | Institute of Aeroelasticity > Structural Dynamics and System Identification | ||||||||||||||||||||
| Deposited By: | Grischke, Birgid | ||||||||||||||||||||
| Deposited On: | 23 Dec 2014 14:52 | ||||||||||||||||||||
| Last Modified: | 24 Apr 2024 19:57 |
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