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Fluid-Structure Interaction under the Vortex Lock-in Regime

机译:涡旋锁定条件下的流固耦合

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摘要

The fluid-structure interaction, especially the interaction between the elastic body and the ambient flow, is one of very complicated problems to be analyzed in engineering. The body is oscillated freely, consequently the information from the wake is fed back into the body motion. The interaction is a strong nonlinear one and it is so difficult to analyze it experimentally. In this article the problem on the oscillation of an elastic body is analyzed numerically, in which the features of the lock-in regime and the wake structure are made clear.
机译:流体与结构的相互作用,特别是弹性体与环境流动之间的相互作用,是工程中要分析的非常复杂的问题之一。身体自由摆动,因此来自尾流的信息会反馈到身体运动中。相互作用是很强的非线性,因此很难通过实验进行分析。在本文中,对弹性体的振动问题进行了数值分析,其中明确了锁定状态和尾流结构的特征。

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