Scenario Based Approach for Load Identification

Research output: Research - peer-reviewArticle in proceedings – Annual report year: 2018

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In output only analysis the load identification has been a puzzle for several years. Different techniques have been purposed to cope with the inversion problem that lies within this field. However it has been shown, that most methods struggle to obtain robust and consistent results in cases of modal truncation and noise contaminated signals. In the light of these challenges, a scenario based method is proposed. This approach utilizes model updating along with mode shape expansion to obtain a reliable numerical model of the given structure. Then, by evaluating a series of rational load scenarios, it is possible to obtain a reasonable input identification – both the spatial distribution and the temporal variation of the load. The method is demonstrated numerically and experimentally.
Original languageEnglish
Title of host publicationDynamics of Civil Structures
EditorsShamim Pakzad
Volume2
PublisherSpringer
Publication date2018
Pages117-125
ISBN (Print)978-3-319-74420-9
ISBN (Electronic)978-3-319-74420-9
DOIs
StatePublished - 2018
Event36th International Modal Analysis Conference - Orlando, United States
Duration: 12 Feb 201815 Feb 2018
Conference number: 36

Conference

Conference36th International Modal Analysis Conference
Number36
CountryUnited States
CityOrlando
Period12/02/201815/02/2018
SeriesConference Proceedings of the Society for Experimental Mechanics Series
Volume2
ISSN2191-5644
CitationsWeb of Science® Times Cited: No match on DOI

    Research areas

  • System identification, Operational modal analysis, Response estimation, Modal truncation, FE updating
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