Research And Optimal Design On Static And Dynamic Property Of Support-Horizontal Plane Steel Gate

The plane steel gate is one kind of steel gates the most early and widely steel gate applied in water power engineering. The plane gate is widely used in release water system, generate electricity system, irrigation system and ship system and so on owing to its following advantages: its structure is briefness; it is convenient in making, installing and maintaining.Support-Horizontal plane steel gate is a new type of flap gate. The gate is supported by the pressure of the truss coming from the tanks. When the gate is opening, the pressure is released slowly. The trusses slide downwards along the designed orbit in order to lean the gate. The whole system is composed of gate, gate hinge, support truss, sliding track, brake and water stop. Gate is composed of faceplate and beam system. Gate leaf is connected by rubber seal and fastener, and several leafs can be linked. The two gates do not need to link by pier, opening and closing at the same time. Comparing with the ordinary steel gate, because of the truss, Support-Horizontal plane steel gate allows greater deformation, and it has flexibility. So the consumption of steel can be saved. At present, this type of gate is at the groping stage. There is no correlative design specification for it and the theoretical calculation of it is not mature enough. Further research to Support-Horizontal plane steel gate is needed.This paper analyze the static properties of plane steel gate, and analyze the dynamic properties considering liquid-solid coupling effect under different load case, using software ANSYS based on APDL language. On this optimum modal is founded and static and dynamic optimization are analyzed using ANSYS modular. The example appears that the model is reasonable and the result is feasible, the conclusion is that fluid-solid coupling have a great effect on the gate, the sizes and sections of the truss influence obviously on gate's vibration. At last, this paper build the dynamic optimization model rely on the volume of the objective function and fundamental frequency of constraint condition. Finally, improving fundamental frequency can avoid vibrationed badly for Support-Horizontal plane steel gate and the optimization results have a major Significance.The conclusion in the article is played a guiding role in the Support-Horizontal plane steel gate.