Open AccessDESIGN OF TUNED MASS DAMPERS FOR LARGE STRUCTURES USING MODAL ANALYSIS
Author(s) -
Jan Štěpánek,
Jiří Máca
Publication year - 2020
Publication title -
acta polytechnica ctu proceedings
Language(s) - English
Resource type - Journals
ISSN - 2336-5382
DOI - 10.14311/app.2020.26.0100
Subject(s) - tuned mass damper , damper , vibration , modal , superposition principle , modal analysis , mode (computer interface) , computer science , structural engineering , numerical analysis , vibration control , optimal design , control theory (sociology) , engineering , finite element method , mathematics , physics , acoustics , materials science , mathematical analysis , control (management) , machine learning , artificial intelligence , polymer chemistry , operating system
Tuned mass damper is a device, which can be highly useful when dealing with excessive vibration and is widely used in many engineering fields. However, its proper design and optimization is a complicated task. This study uses mode superposition method to speed up the evaluation of dynamic response. The speed of response calculation allows for a quick calculation of frequency response function and numerical optimization of tuned mass dampers. This optimization method is demonstrated on a numerical example of a cable stayed footbridge. The example compares a simplified and widely used design method of tuned mass damper with numerical optimization.