Dynamical Analysis Of The Sediment Threshold Motion Equipment In The Shallow Water

The coast of the Feiyantan oilfield has been corroded seriously, and the normal production and the life in this oilfield have been threatening. So the research and the defending tasks of the erosion in this sea field are staring us in the face. The activation effection of the sediment threshold motion equipment is good. This thesis is based on wave, current and mooring system dynamic theory and finite element theory, and utilized software platform of ANSYS. By use of the principle, method and process of the finite element dynamic analysis of ANSYS, structural dynamic analyzing system and dynamic equation based on structural characteristic of Sediment threshold motion equipment and ocean dynamic load acting on the equipment are studied in this paper, and analyze the dynamic response feature of the equipment under wave and current loads and restriction load caused by the anchor chain. On the base of the calculation solution, the stress of the equipment is in the range of the allowable stress, it meets the strength requirement. Here I designed the other two methods of the sediment threshold motion equipment.