Mechanical identification of materials and structures with optical methods and metaheuristic optimization

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dc.authorid0000-0001-8885-6468en_US
dc.contributor.authorFicarella, Elisa
dc.contributor.authorLamberti, Luciano
dc.contributor.authorDeǧertekin, Sadık Özgür
dc.date.accessioned2021-09-14T05:50:03Z
dc.date.available2021-09-14T05:50:03Z
dc.date.issued2019en_US
dc.departmentDicle Üniversitesi, Mühendislik Fakültesi, İnşaat Mühendisliği Bölümüen_US
dc.description.abstractThis study presents a hybrid framework for mechanical identification of materials and structures. The inverse problem is solved by combining experimental measurements performed by optical methods and non-linear optimization using metaheuristic algorithms. In particular, we develop three advanced formulations of Simulated Annealing (SA), Harmony Search (HS) and Big Bang-Big Crunch (BBBC) including enhanced approximate line search and computationally cheap gradient evaluation strategies. The rationale behind the new algorithms-denoted as Hybrid Fast Simulated Annealing (HFSA), Hybrid Fast Harmony Search (HFHS) and Hybrid Fast Big Bang-Big Crunch (HFBBBC)-is to generate high quality trial designs lying on a properly selected set of descent directions. Besides hybridizing SA/HS/BBBC metaheuristic search engines with gradient information and approximate line search, HS and BBBC are also hybridized with an enhanced 1-D probabilistic search derived from SA. The results obtained in three inverse problems regarding composite and transversely isotropic hyperelastic materials/structures with up to 17 unknown properties clearly demonstrate the validity of the proposed approach, which allows to significantly reduce the number of structural analyses with respect to previous SA/HS/BBBC formulations and improves robustness of metaheuristic search engines.en_US
dc.identifier.citationFicarella, E., Lamberti, L. ve Deǧertekin, S. Ö. (2019). Mechanical identification of materials and structures with optical methods and metaheuristic optimization. Materials, 12(13), 2133.en_US
dc.identifier.doi10.3390/ma12132133en_US
dc.identifier.issn1996-1944
dc.identifier.issue13en_US
dc.identifier.pmid31269761en_US
dc.identifier.scopus2-s2.0-85068878567en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage2133en_US
dc.identifier.urihttps://www.mdpi.com/1996-1944/12/13/2133
dc.identifier.urihttps://hdl.handle.net/11468/7531
dc.identifier.volume12en_US
dc.identifier.wosWOS:000477043900097
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.institutionauthorDeǧertekin, Sadık Özgür
dc.language.isoenen_US
dc.publisherMDPI AGen_US
dc.relation.ispartofMaterialsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectBig bang-big crunchen_US
dc.subjectHarmony searchen_US
dc.subjectHybrid metaheuristic algorithmsen_US
dc.subjectInverse problemsen_US
dc.subjectOptical methodsen_US
dc.subjectSimulated annealingen_US
dc.titleMechanical identification of materials and structures with optical methods and metaheuristic optimizationen_US
dc.typeArticleen_US

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