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Detection of sparse damages in plates
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Structural and Fire Engineering.ORCID iD: 0000-0003-3731-7901
University of Zagreb, Zagreb, Croatia..
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Mathematical Science.ORCID iD: 0000-0001-7620-9386
University of Zagreb, Zagreb, Croatia..
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2020 (English)In: IABSE Symposium, Wroclaw 2020: Synergy of Culture and Civil Engineering – History and Challenges / [ed] Jan Bień, Jan Biliszczuk, Paweł Hawryszków, Maciej Hildebrand, Marta Knawa-Hawryszków, Krzysztof Sadowski, Zürich: International Association For Bridge And Structural Engineering (IABSE) , 2020, p. 1141-1148Conference paper, Published paper (Refereed)
Abstract [en]

Structural damage is often a spatially sparse phenomenon, i.e. it occurs only in a small part of the structure. This property of damage has not been utilized in the field of structural damage identification until quite recently, when the sparsity-based regularization developed in compressed sensing problems found its application in this field. In this paper we consider classical sensitivity-based finite element model updating combined with a regularization technique appropriate for the expected type of sparse damage. The validity of the proposed methods is demonstrated using simulations on a bridge. The pros and cons of these methods are discussed.

Place, publisher, year, edition, pages
Zürich: International Association For Bridge And Structural Engineering (IABSE) , 2020. p. 1141-1148
Keywords [en]
Damage Detection, Sparse Damage, FEM Updating, Regularization
National Category
Other Civil Engineering Mathematical Analysis
Research subject
Structural Engineering; Applied Mathematics
Identifiers
URN: urn:nbn:se:ltu:diva-81136Scopus ID: 2-s2.0-85103443479OAI: oai:DiVA.org:ltu-81136DiVA, id: diva2:1476579
Conference
IABSE Symposium “Synergy of Culture and Civil Engineering – History and Challenges”, 7-9 October, 2020, Wrocław, Poland
Note

ISBN för värdpublikation: 978-3-85748-169-7

Available from: 2020-10-14 Created: 2020-10-14 Last updated: 2022-12-30Bibliographically approved

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Sabourova, NataliaGrip, NiklasTu, YongmingPopescu, CosminOhlsson, UlfElfgren, Lennart

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