Modified iterative group-implicit algorithm for the dynamic analysis of structures

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dc.contributor.authorDere, Y
dc.contributor.authorSotelino, ED
dc.date.accessioned2020-03-26T16:55:22Z
dc.date.available2020-03-26T16:55:22Z
dc.date.issued2004
dc.departmentSelçuk Üniversitesien_US
dc.description.abstractIn this work, the convergence characteristics of the iterative group-implicit (IGI) algorithm, which is a parallel algorithm for the time integration of the equations of motion arising in structural dynamics problems, are studied. It is found that the IGI algorithm does not always converge. For realistic structural applications, the time-step size must be limited to impractical values, which jeopardizes its efficiency, thus, defeating its purpose. The modified IGI (MIGI) algorithm is developed to address the convergence handicaps of the IGI algorithm. The new method incorporates new approaches in a number of areas, such as on the interface compatibility enforcement calculation, imbalance force distribution, and interface convergence checks. The convergence characteristics and limitations of the two algorithms are compared. It is found that the performance of the MIGI algorithm is far superior to that of the IGI algorithm. Through the numerical simulation of a practical structural engineering application, it is found that the MIGI algorithm is very efficient and produces highly accurate solutions.en_US
dc.identifier.doi10.1061/(ASCE)0733-9445(2004)130:10(1436)en_US
dc.identifier.endpage1444en_US
dc.identifier.issn0733-9445en_US
dc.identifier.issue10en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage1436en_US
dc.identifier.urihttps://dx.doi.org/10.1061/(ASCE)0733-9445(2004)130:10(1436)
dc.identifier.urihttps://hdl.handle.net/20.500.12395/19131
dc.identifier.volume130en_US
dc.identifier.wosWOS:000224676000002en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherASCE-AMER SOC CIVIL ENGINEERSen_US
dc.relation.ispartofJOURNAL OF STRUCTURAL ENGINEERING-ASCEen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.selcuk20240510_oaigen_US
dc.subjectparallel processingen_US
dc.subjectdistributed processingen_US
dc.subjectstructural dynamicsen_US
dc.subjectalgorithmsen_US
dc.subjectfinite elementsen_US
dc.titleModified iterative group-implicit algorithm for the dynamic analysis of structuresen_US
dc.typeArticleen_US

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