Dynamic Responses of Layered Viscoelastic Half-Medium with Twin Tunnel Under Harmonic Load

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dc.authorid0000-0002-2615-1590
dc.authorid0000-0001-5327-3406
dc.contributor.authorYuksel, Yusuf Ziya
dc.contributor.authorAkbas, Seref Doguscan
dc.date.accessioned2026-02-08T15:15:07Z
dc.date.available2026-02-08T15:15:07Z
dc.date.issued2024
dc.departmentBursa Teknik Üniversitesi
dc.description.abstractPurpose This paper presents dynamic analysis of layered viscoelastic half medium which includes twin rectangular tunnel under harmonic load. Viscoelastic half medium is considered and modelled with using Kelvin-Voigt viscoelastic model and two dimensional (2-D) continua.Methods The considered problem is solved by using finite element method. The energy expressions of the system are obtained and equation of motion are obtained by using Lagrange procedure. Infinite region far from twin tunnel is modelled by using infinite elements with 8 nodes and finite region is modelled by using 16 nodes finite elements. The dynamic equations for finite and infinite elements are solved by using Newmark-Beta method in time domain. Finite and infinite element models with different layers and twin tunnel are generated and numerical solutions are obtained by using an algorithm by authors.Results In order to achieve verify the used models and methods, some special results are obtained and compared with results from a finite element software. In numerical studies, effects of location of twin tunnel on dynamical responses of the system under harmonic load are obtained in figures and discussed in detail. Dynamic tunnel-medium interaction is discussed in the obtained results.Conclusions The numerical results show that tunnel location plays important role on the dynamic responses of half medium and dynamic responses change significantly with tunnel-medium interaction. In field near to the tunnel, the dynamic responses are more affected. Important practical implication is that computational cost for this kind of problems could be reduced, more realistic results could be obtained and all boundary conditions could be considered by used model with infinite elements. The used model and method are very useful and practical for dynamic analysis of tunnel structures.
dc.description.sponsorshipResearch Fund of the Bursa Technical University; [210D004]
dc.description.sponsorshipThis work has been supported by Research Fund of the Bursa Technical University. Project Number: 210D004
dc.identifier.doi10.1007/s42417-024-01334-y
dc.identifier.endpage7885
dc.identifier.issn2523-3920
dc.identifier.issn2523-3939
dc.identifier.issue7
dc.identifier.scopus2-s2.0-85188825848
dc.identifier.scopusqualityQ2
dc.identifier.startpage7867
dc.identifier.urihttps://doi.org/10.1007/s42417-024-01334-y
dc.identifier.urihttps://hdl.handle.net/20.500.12885/5606
dc.identifier.volume12
dc.identifier.wosWOS:001194610500001
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherSpringer Heidelberg
dc.relation.ispartofJournal of Vibration Engineering & Technologies
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzWOS_KA_20260207
dc.subjectDynamic analysis
dc.subjectTwin tunnel
dc.subjectLayered medium
dc.subjectFinite-INFINITE ELEMENTs
dc.titleDynamic Responses of Layered Viscoelastic Half-Medium with Twin Tunnel Under Harmonic Load
dc.typeArticle

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