Nonlinear Static and Dynamic Analysis of Semi-Infinite Porous Medium with Twin Tunnel

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dc.authorid0000-0001-5327-3406
dc.authorid0000-0002-2615-1590
dc.contributor.authorYuksel, Yusuf Ziya
dc.contributor.authorAkbas, Seref Doguscan
dc.date.accessioned2026-02-08T15:15:43Z
dc.date.available2026-02-08T15:15:43Z
dc.date.issued2024
dc.departmentBursa Teknik Üniversitesi
dc.description.abstractTunnel-medium interaction problems are one of the important problems in engineering. Because it has a high risk in terms of reliability, tunnel structures should be modeled in detail. The modeling of tunnel structures under static and dynamical loads is a difficult problem in engineering because of consists of a lot of conditions and effects, such as heterogeneous medium, soil layers, porosity, soil-structure interaction, groundwater, earthquake, etc. In this paper, aims to investigate the tunnel-medium interaction problems for nonlinear static and dynamic analyses. This study includes nonlinear static and dynamic analyses for layered porous semi-infinite viscoelastic medium with twin tunnels. The constitutive property of each layer of medium is considered in bilinear stress-strain relation with uniform porosity and Kelvin-Voigt viscoelastic property. The considered study is solved via the finite element method within the two-dimensional (2D) model. Layered medium is modeled as finite and infinite elements. In the solution process, the incremental force method is implemented and, for each load step, finite element equations are solved according to the bilinear stress-strain relation. In nonlinear dynamic analysis, the dynamic loads are divided by a certain finite number and applied incrementally depending on the time-dependent load function. At each load step, the final displacement, velocity and acceleration of that load step, obtained as a result of applying the Newmark beta method procedure, are assigned as the starting value of the next load step according to the bilinear stress-strain relation. Influences of porosity and position of tunnels on the nonlinear static and dynamic deflections of the system are investigated. Also, differences between linear and nonlinear responses are compared and discussed.
dc.description.sponsorshipResearch Fund of the Bursa Technical University [210D004]
dc.description.sponsorshipThis work has been supported by the Research Fund of the Bursa Technical University. Project No. 210D004.
dc.identifier.doi10.1142/S1758825124501096
dc.identifier.issn1758-8251
dc.identifier.issn1758-826X
dc.identifier.issue10
dc.identifier.scopus2-s2.0-85209759439
dc.identifier.scopusqualityQ2
dc.identifier.urihttps://doi.org/10.1142/S1758825124501096
dc.identifier.urihttps://hdl.handle.net/20.500.12885/5930
dc.identifier.volume16
dc.identifier.wosWOS:001357157200001
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherWorld Scientific Publ Co Pte Ltd
dc.relation.ispartofInternational Journal of Applied Mechanics
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzWOS_KA_20260207
dc.subjectFinite element method
dc.subjectnonlinear analysis
dc.subjectinfinite elements
dc.subjecttunnel
dc.subjectlayered medium
dc.subjectstatic and dynamic analyses
dc.titleNonlinear Static and Dynamic Analysis of Semi-Infinite Porous Medium with Twin Tunnel
dc.typeArticle

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