Torsional balance of asymmetric structures by means of tuned mass dampers

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dc.contributor.authorLuis Almazan, Jose
dc.contributor.authorEspinoza, Gilda
dc.contributor.authorJesus Aguirre, Juan
dc.date.accessioned2024-01-10T12:10:13Z
dc.date.available2024-01-10T12:10:13Z
dc.date.issued2012
dc.description.abstractThis research studies the response of asymmetrical linear and nonlinear structures subjected to unidirectional and bidirectional seismic excitation, equipped with one or two Tuned Mass Dampers (TMDs). The optimized parameters of each TMD are obtained by applying the concept of general torsional balance. The results show that the TMDs reduce the edge deformation in values varying from 20% to 50%. The highest reductions are obtained at the edges where deformation is greater. As a general rule, it has been found that the TMD should be located towards the corner where the uncontrolled response (without TMD) is greater. If the excitation is a broad-band process, the TMD tends to synchronize with the frequencies associated to the two translationally dominant modes of the structure. Instead, if the excitation is a narrow-band process, the TMD tends to synchronize with the characteristic frequency of the excitation. The findings for one or two TMDs are very similar, therefore, there is no significant improvement resulting from adding a second TMD. Preliminary results indicate that, when moderate, the inelasticity of the main structure does not significantly affect the optimized TMD frequency. However, for torsionally hybrid and flexible structures, the optimized TMD position is sensitive to inelasticity of the main structure. (C) 2012 Elsevier Ltd. All rights reserved.
dc.description.funderComision Nacional de Investigacion Cientifica y Tecnologica (CONICYT) through the Fondecyt
dc.description.funderUniversidad del Bio-Bio
dc.fechaingreso.objetodigital21-03-2024
dc.format.extent21 páginas
dc.fuente.origenWOS
dc.identifier.doi10.1016/j.engstruct.2012.04.034
dc.identifier.eissn1873-7323
dc.identifier.issn0141-0296
dc.identifier.urihttps://doi.org/10.1016/j.engstruct.2012.04.034
dc.identifier.urihttps://repositorio.uc.cl/handle/11534/76559
dc.identifier.wosidWOS:000306776400025
dc.information.autorucIngeniería;Aguirre J;S/I;181343
dc.information.autorucIngeniería;Almazan J;S/I;18831
dc.language.isoen
dc.nota.accesocontenido parcial
dc.pagina.final328
dc.pagina.inicio308
dc.publisherELSEVIER SCI LTD
dc.revistaENGINEERING STRUCTURES
dc.rightsacceso restringido
dc.subjectTorsional balance
dc.subjectTuned mass damper
dc.subjectAsymmetric structures
dc.subjectRESPONSE CONTROL
dc.subject.ods11 Sustainable Cities and Communities
dc.subject.odspa11 Ciudades y comunidades sostenibles
dc.titleTorsional balance of asymmetric structures by means of tuned mass dampers
dc.typeartículo
dc.volumen42
sipa.codpersvinculados181343
sipa.codpersvinculados18831
sipa.indexWOS
sipa.indexScopus
sipa.trazabilidadCarga SIPA;09-01-2024
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