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A platform for research: civil engineering, architecture and urbanism
Fundamental Frequency of Water Sloshing Waves in a Sloped-Bottom Tank as Tuned Liquid Damper
In this study, the natural frequency of the water sloshing wave in a rectangular tank with various sloped bottom shapes is derived from its equivalent flat-bottom tank using the linear wave theory. In this equivalency, the bottom wet length of the tank was used to replace the flat length and the deepest water depth was taken as the water depth in the natural frequency formula of a flat-bottom tank. The calculated natural frequency was validated with experimental data. The rationale for the use of the bottom wet length in the frequency evaluation of a rectangular tank of various sloped bottom shapes is demonstrated based on the finite element coordinate transformation. Different bottom lengths change the travel distance and thus the damping ratio of the water sloshing wave in the tank.
Fundamental Frequency of Water Sloshing Waves in a Sloped-Bottom Tank as Tuned Liquid Damper
In this study, the natural frequency of the water sloshing wave in a rectangular tank with various sloped bottom shapes is derived from its equivalent flat-bottom tank using the linear wave theory. In this equivalency, the bottom wet length of the tank was used to replace the flat length and the deepest water depth was taken as the water depth in the natural frequency formula of a flat-bottom tank. The calculated natural frequency was validated with experimental data. The rationale for the use of the bottom wet length in the frequency evaluation of a rectangular tank of various sloped bottom shapes is demonstrated based on the finite element coordinate transformation. Different bottom lengths change the travel distance and thus the damping ratio of the water sloshing wave in the tank.
Fundamental Frequency of Water Sloshing Waves in a Sloped-Bottom Tank as Tuned Liquid Damper
Idir, Meziane (author) / Ding, Xiaohua (author) / Lou, Menglin (author) / Chen, Genda (author)
Structures Congress 2009 ; 2009 ; Austin, Texas, United States
Structures Congress 2009 ; 1-10
2009-04-29
Conference paper
Electronic Resource
English
Fundamental Frequency of Water Sloshing Waves in a Sloped-Bottom Tank as Tuned Liquid Damper
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