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以昆明市掌鸠河引水供水工程普渡河倒虹吸为工程背景,建立了水力学与结构动力学相结合的水弹性模型,在此基础上,采取模型试验和计算机数值模拟计算两种方法,对普渡河倒虹吸管桥组合结构进行模态分析,并使其互相印证.两种方法所得结果吻合得很好,说明这种模拟方法是成功的,是研究组合结构振动新的有效途径.
Based on the background of Pudu River inverted siphon in the Zhangjiuhe River diversion and water supply project in Kunming, a hydroelastic model based on hydraulics and structural dynamics was established. On the basis of this, model tests and computer numerical simulation were used to calculate The results of the two methods agree well with each other, which shows that the simulation method is successful and is a new effective way to study the vibration of composite structures.