Abstract
The major objective of this study is to experimentally and theoretically investigate the characteristics of rectangular Tuned Liquid Damper (TLD) under wave excitation. An obvious engineering motivation for this study is to explore the applicability of TLDs for suppressing the structural vibration of offshore platforms. The structural model used to perform experiments is scaled according to a full size platform by matching their dynamic properties. Rectangular TLDs of different sizes and water depths are examined. By observing the performance and the behavior of TLDs through laboratory experiments, the influence of a number of parameters is investigated. In an analytical or numerical study, a mathematical model that describes the nonlinear behavior of liquid in TLD and the interaction between TLD and structure is prerequisite. Validity of the mathematical model to simulate the behavior of liquid in TLD and TLD-structure interaction has been evaluated based on the experimental results.
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