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Dynamic behavior of tension-leg platform with net-cage system subjected to wave forces 总被引:2,自引:0,他引:2
In this study a typical tension-leg platform with net cage system is presented, and a set of equations of motion for the platform with a net-cage system of a simplified two-dimensional case are derived. Subsequently a close form solution is obtained when the wave-structure interaction between the top platform structure and the incident wave is considered. The parameter of solidity as a ratio of the twine diameter and the mesh size of the cage is also taken into account in the analysis. The purpose of this study is to investigate the dynamic behavior for the tension-leg platform with a net-cage system and its pre-tensioned tethers when subjected to incident waves and flow drags, and furthermore, to understand the relationship between the structure behavior and the properties of the net-cages. Numerical examples are carried out and the results are discussed focusing on the motion of both the platform and net-cages when subjected to waves of a range of periods. It is found that there is a close relationship between the dynamic behavior of the platform and the net-cage features such as the solidity ratio between the twine diameter and the mesh size of the net-cage while the parameters related to waves are held constant. 相似文献
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