Abstract

Recently, ship and marine structures are more complex and larger. Also the structure and equipment become electronic, it has an effect on economy according to the weight of ship. In order to produce such ships, new technology development is urgently required. In particular, there is a need to acquire technology through dynamic analysis as well as statistical techniques and interpretations to ensure structural safety. Dynamically, it is necessary not only to global analysis that assumes the ship as a single structure, but also to local analysis to partially analyze it assuming it is a complex structure. There exists various tanks which is filled with the substance like fuel, oil and clear water. So the natural frequency is getting lower through a fluid. Therefore, it is very important to control the vibration, and also it needs to know the characteristic of vibration at the first design phase. There exists various tanks in the ship and marine structure. It continues to be as vigorous as ever about the vibration characteristic of the various tanks, and we need to study the characteristic of vibration of the U-Type Anti-Rolling Tank(ART). The goal of this study is to find out the vibration characteristic of U-Type liquid tanks.

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