State Estimation for Prediction of Fatigue Life for a Rollercoaster Connection Subjected to Operational Multiaxial Nonproportional Loading
dc.contributor.author
Tchemodanova, Sofia P.
dc.contributor.author
Tatsis, Konstantinos
dc.contributor.author
Sanayei, Masoud
dc.contributor.author
Chatzi, Eleni
dc.contributor.author
Dertimanis, Vasilis
dc.date.accessioned
2021-03-03T17:21:43Z
dc.date.available
2021-03-03T08:35:54Z
dc.date.available
2021-03-03T17:21:43Z
dc.date.issued
2021-05
dc.identifier.issn
0733-9445
dc.identifier.issn
1943-541X
dc.identifier.other
10.1061/(ASCE)ST.1943-541X.0002961
en_US
dc.identifier.uri
http://hdl.handle.net/20.500.11850/472652
dc.description.abstract
Recent research on structural health monitoring has shown the applicability of Kalman filtering for fusion of models and data of dynamic systems. In this study, the augmented Kalman filter (AKF) is combined with a substructuring approach for the estimation of strain time histories at unmeasured locations of a rollercoaster connection, with the purpose of predicting remaining fatigue life. The AKF allows for response estimation in the absence of direct measurements of operational loads and in the presence of noisy measurements at limited locations of the instrumented system. The proposed research implements for the first time the AKF and a substructure with exclusively in-service strain measurements from a full-scale structure. Given that uniaxial fatigue life assessment methods often prove insufficient for large in-service structures with complex geometry and subjected to multiaxial nonproportional loadings, the critical plane method is here employed for estimation of fatigue life. The applicability of a substructuring approach combined with strain estimates from the AKF is demonstrated and evaluated with operational strain measurements obtained from an in-service rollercoaster support structure. It is shown that the proposed methodology and fine-tuning of the AKF parameters result in a close match of predicted and measured strains. © 2021 American Society of Civil Engineers
en_US
dc.language.iso
en
en_US
dc.publisher
American Society of Civil Engineers
dc.subject
High cycle fatigue
en_US
dc.subject
Steel structures
en_US
dc.subject
Nondestructive testing
en_US
dc.subject
Nonproportional multiaxial loading
en_US
dc.subject
Response-only method
en_US
dc.subject
Measured strains
en_US
dc.subject
Dynamic substructuring
en_US
dc.subject
Augmented Kalman filter
en_US
dc.subject
Strain prediction
en_US
dc.subject
Remaining fatigue life prediction
en_US
dc.title
State Estimation for Prediction of Fatigue Life for a Rollercoaster Connection Subjected to Operational Multiaxial Nonproportional Loading
en_US
dc.type
Journal Article
dc.date.published
2021-02-22
ethz.journal.title
Journal of Structural Engineering
ethz.journal.volume
147
en_US
ethz.journal.issue
5
en_US
ethz.journal.abbreviated
J. Struct. Eng.
ethz.pages.start
04021041
en_US
ethz.size
14 p.
en_US
ethz.identifier.wos
ethz.identifier.scopus
ethz.publication.place
New York, NY
ethz.publication.status
published
en_US
ethz.leitzahl
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02115 - Dep. Bau, Umwelt und Geomatik / Dep. of Civil, Env. and Geomatic Eng.::02605 - Institut für Baustatik u. Konstruktion / Institute of Structural Engineering::03890 - Chatzi, Eleni / Chatzi, Eleni
ethz.leitzahl.certified
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02115 - Dep. Bau, Umwelt und Geomatik / Dep. of Civil, Env. and Geomatic Eng.::02605 - Institut für Baustatik u. Konstruktion / Institute of Structural Engineering::03890 - Chatzi, Eleni / Chatzi, Eleni
ethz.date.deposited
2021-03-03T08:36:03Z
ethz.source
SCOPUS
ethz.eth
yes
en_US
ethz.availability
Metadata only
en_US
ethz.rosetta.installDate
2021-03-03T17:21:53Z
ethz.rosetta.lastUpdated
2024-02-02T13:13:43Z
ethz.rosetta.exportRequired
true
ethz.rosetta.versionExported
true
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Journal Article [132236]