RT info:eu-repo/semantics/article
T1 On the estimation of the moving mass of a TMD installed on a lively structure
A1 Magdaleno González, Álvaro
A1 Peláez Rodríguez, César
A1 Iglesias Pordomingo, Álvaro
A1 Lorenzana Ibán, Antolín
K1 Structural dynamics
K1 Dinámica de estructuras
K1 Vibración
K1 Tuned mass dampers
K1 Amortiguación (Mecánica)
K1 System identification
K1 Sistemas, Identificación de
K1 3305 Tecnología de la Construcción
K1 3305.32 Ingeniería de Estructuras
AB Tuned Mass Dampers are devices which can be assimilated to single-degree-of-freedom systems with a certain amount of moving mass, a natural frequency and a damping ratio intended to be installed on lively structures to reduce the contribution of a certain mode to their response. Once placed on the structure, the movement of the mass damper couples to the structural response and determines its properties as an isolated system becomes challenging. The authors have previously presented a methodology to estimate the natural frequency and damping ratio of an SDOF system installed on a structure and not necessarily tuned to a certain mode. It was based on a transmissibility function and, thus, the moving mass could not be estimated. With this work, the authors go one step further and present a novel procedure to estimate the moving mass value by means of the same transmissibility function and two well selected frequency response functions. The methodology is applied to estimate the properties of a real single-degree-of-freedom system placed on a lively timber platform. The results are compared with the mass modification technique to show that the proposed methodology provides better estimations in a more efficient way.
PB MDPI
SN 2076-3417
YR 2021
FD 2021
LK https://uvadoc.uva.es/handle/10324/59739
UL https://uvadoc.uva.es/handle/10324/59739
LA eng
NO Applied Sciences, 2021, Vol. 11, Nº. 10, 4712
NO Producción Científica
DS UVaDOC
RD 06-ago-2024