结果表明，振动过大是由叶轮流体激振造成的。
The diagnostic result shows that the main reason of excessive vibration is fluid-induced vibration problem of impeller.
比较等截面管道的变分解和数值解，说明此方法用于研究海洋平台输液管道的流体激振是有效的。
Comparison between numerical result and variational solution shows that the method used in this work is effective for studying flow-induced vibration of pipeline on offshore platform.
比较等截面管道的变分解和数值解，说明此方法用于研究海洋平台输液管道的流体激振是有效的。
Comparison between numerical result and variational solution shows that the method used in this work is effective for studying flow-induced vibration of pipeline on offshore platform.
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