This paper investigates the vibration control of a tower-like structure utilizing a square tuned liquid damper (TLD) when the structure is subjected to horizontal, harmonic excitation. In the theoretical analysis, when the tuning condition, 1:1:1:1, is satisfied, the natural frequencies of the 2DOF structure and two predominate sloshing modes are nearly equal. Galerkin’s method is used to derive the modal equations of motion for sloshing. The nonlinearity of the hydrodynamic force due to sloshing is considered in the equations of motion for the 2DOF structure. Linear viscous damping terms are incorporated into the modal equations to consider the damping effect of sloshing. Van der Pol’s method is employed to determine the frequency response curves which are compared to the numerical simulation. The influences of the excitation frequency, the tank installation angle, and the aspect ratio of the tank cross-section on the response curves are examined. The theoretical results show that whirling motions and amplitude modulated motions (AMMs) including chaotic motions may occur in the structure because swirl motions and Hopf bifurcations followed by AMMs appear in the tank. It is also found that square TLDs work more efficiently than conventional rectangular TLDs, and its performance is further improved when the aspect ratio is slightly increased and the installation angle is equal to zero. Experiments were conducted in order to confirm the validity of the theoretical results.
Skip Nav Destination
ASME 2012 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
August 12–15, 2012
Chicago, Illinois, USA
Conference Sponsors:
- Design Engineering Division
- Computers and Information in Engineering Division
ISBN:
978-0-7918-4500-4
PROCEEDINGS PAPER
Vibration Control of 2DOF Structures Utilizing Sloshing in Square Tanks
Takashi Ikeda,
Takashi Ikeda
Hiroshima University, Higashi-Hiroshima, Hiroshima, Japan
Search for other works by this author on:
Yuji Harata,
Yuji Harata
Hiroshima University, Higashi-Hiroshima, Hiroshima, Japan
Search for other works by this author on:
Shota Ninomiya
Shota Ninomiya
Kyocera Corporation, Kyoto, Japan
Search for other works by this author on:
Takashi Ikeda
Hiroshima University, Higashi-Hiroshima, Hiroshima, Japan
Yuji Harata
Hiroshima University, Higashi-Hiroshima, Hiroshima, Japan
Shota Ninomiya
Kyocera Corporation, Kyoto, Japan
Paper No:
DETC2012-70188, pp. 1093-1103; 11 pages
Published Online:
September 9, 2013
Citation
Ikeda, T, Harata, Y, & Ninomiya, S. "Vibration Control of 2DOF Structures Utilizing Sloshing in Square Tanks." Proceedings of the ASME 2012 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. Volume 1: 24th Conference on Mechanical Vibration and Noise, Parts A and B. Chicago, Illinois, USA. August 12–15, 2012. pp. 1093-1103. ASME. https://doi.org/10.1115/DETC2012-70188
Download citation file:
11
Views
Related Proceedings Papers
Related Articles
Vibration Control of Horizontally Excited Structures Utilizing Internal Resonance of Liquid Sloshing in Nearly Square Tanks
J. Vib. Acoust (August,2017)
Vibration Control of Two-Degree-of-Freedom Structures Utilizing Sloshing in Nearly Square Tanks
J. Comput. Nonlinear Dynam (September,2017)
Dynamical Modeling of Deepwater-Type Cylindrical Tuned Liquid Damper With a Submerged Net
J. Pressure Vessel Technol (February,2000)
Related Chapters
Smart Semi-Active Control of Floor-Isolated Structures
Intelligent Engineering Systems Through Artificial Neural Networks, Volume 17
Intelligent Vibration Control of Structures against Earthquakes Using Hybrid Damper
International Conference on Mechanical and Electrical Technology 2009 (ICMET 2009)
A High Resolution DOA Estimation Method Based on Maximal Eigenvector Reconstruction
International Conference on Future Computer and Communication, 3rd (ICFCC 2011)