Publicación:
ANÁLISIS DE LA EFICIENCIA DE UN AMORTIGUADOR COMBINADO SINTONIZADO CON INCERTIDUMBRE EN LOS PARÁMETROS SOMETIDO A EXCITACIONES SÍSMICA DE BAJO CONTENIDO DE FRECUENCIAS

dc.creatorGILDA ESTHER ESPINOZA VALENZUELA
dc.creatorÁLVARO JULIO SUAZO SCHWENCKE
dc.date2020
dc.date.accessioned2025-01-10T15:17:22Z
dc.date.available2025-01-10T15:17:22Z
dc.date.issued2020
dc.description.abstractTHIS RESEARCH STUDIES THE BEHAVIOR OF THE OPTIMAL PARAMETERS AND THE EFFICIENCY OF THE TUNED COMBINED DAMPER (TCD) IN THE CONTROL OF A STRUCTURE SUBJECTED TO SEISMIC EXCITATION, WHEN UNCERTAINTY IS INCORPORATED IN THE MASS RATIO AND THE LENGTH RATIO. THE TCD IS A DEVICE MADE UP OF A TUNED LIQUID COLUMN DAMPER (TLCD), AND A TUNED MASS DAMPER (TMD). SEISMIC EXCITATION IS MODELED AS A STATIONARY TYPE ZERO-MEAN GAUSSIAN STOCHASTIC PROCESS. IT IS CONSIDERED A SEISMIC EXCITATION WITH A HIGH FREQUENCY CONTENT. THE EQUIVALENT STATISTICAL LINEARIZATION METHOD IS USED TO LINEARIZE THE NONLINEAR EQUATION ASSOCIATED WITH THE TUNED FLUID DAMPER. THE SENSITIVITY OF THE OPTIMAL PARAMETERS, THE TUNING RATIO AND THE HEAD LOSS COEFFICIENT OF THE TLCD, AND THE TUNING AND DAMPING RATIO OF THE AMS ARE ANALYZED BY INCLUDING AN UNCERTAINTY IN THE MASS RATIO AND THE LENGTH RATIO. REDUCTION OF DISPLACEMENT OF THE MAIN STRUCTURE IS USED AS OPTIMIZATION CRITERION. THE TCD EFFICIENCY AND ROOT MEAN SQUARE RMS OF THE MAIN SYSTEM DISPLACEMENT ARE OBTAINED. THE RESULTS SHOW THAT THE MOST SENSITIVE PARAMETER IS THE HEAD LOSS COEFFICIENT, WHEN FACED WITH AN UNCERTAINTY IN THE LENGTH RATIO. IT IS CONCLUDED THAT THE EFFICIENCY OF THE TCD AND RMS OF DISPLACEMENT OF THE MAIN STRUCTURE IS INSENSITIVE TO AN UNCERTAINTY OF LESS THAN 10%, BOTH OF THE MASS RATIO AND THE LENGTH RATIO.
dc.formatapplication/pdf
dc.identifier.doi10.4067/S0718-28132020000200058
dc.identifier.issn0718-2805
dc.identifier.issn0718-2813
dc.identifier.urihttps://repositorio.ubiobio.cl/handle/123456789/11305
dc.languagespa
dc.publisherOBRAS Y PROYECTOS
dc.relation.uri10.4067/S0718-28132020000200058
dc.rightsPUBLICADA
dc.subjectincertidumbre en los parámetros
dc.subjectbajo contenido de frecuencias
dc.subjectanálisis estocástico
dc.subjectAMS
dc.subjectACS
dc.subjectACLS
dc.titleANÁLISIS DE LA EFICIENCIA DE UN AMORTIGUADOR COMBINADO SINTONIZADO CON INCERTIDUMBRE EN LOS PARÁMETROS SOMETIDO A EXCITACIONES SÍSMICA DE BAJO CONTENIDO DE FRECUENCIAS
dc.typeARTÍCULO
dspace.entity.typePublication
ubb.EstadoPUBLICADA
ubb.Otra ReparticionDEPARTAMENTO DE INGENIERIA CIVIL Y AMBIENTAL
ubb.Otra ReparticionESCUELA INGENIERIA CIVIL
ubb.SedeCONCEPCIÓN
ubb.SedeCONCEPCIÓN
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