研究RESEARCH研究专题RESEARCH TOPIC

扰动来流下的圆柱涡激振动Cylinder Vibration in Perturbed Flow

2026-09-10作者 · 气动声学与湍流实验室Aeroacoustics and Turbulence Laboratory原始页面Original page ↗

涡激振动横向谐波扰动尾迹调制Vortex-induced vibrationHarmonic cross-flowWake modulation

科学问题QUESTION

外部周期扰动如何与圆柱振动、尾迹涡脱落相互作用？

How does external periodic forcing interact with cylinder vibration and vortex shedding?

研究方法METHOD

以横向谐波扰动下的圆柱为研究对象，分析涡激振动与尾迹调制之间的联系。

Examine a circular cylinder subjected to harmonic cross-flow perturbations and the relationship between its vibration and wake modulation.

验证证据EVIDENCE

相关研究发表于 Ocean Engineering，题名、作者及 DOI 已核对；具体响应曲线与参数范围请查阅论文。

The related Ocean Engineering paper has verified title, authors and DOI; consult the paper for response curves and parameter ranges.

METHOD & CONTEXT

我们如何研究How we investigate

研究横向谐波扰动作用下圆柱的涡激振动及尾迹调制，关注外部周期扰动与流固耦合响应的联系。

The study examines cylinder vortex-induced vibration and wake modulation under harmonic cross-flow perturbations, connecting external periodic forcing with fluid–structure response.

VISUAL EVIDENCE

计算与分析图像Computational evidence

图1 横向谐波扰动作用下弹性支承圆柱涡激振动示意图及计算域设置。来源：气动声学与湍流实验室公众号。 / Elastically mounted cylinder under harmonic cross-flow perturbations and computational domain (source Fig. 1). — 01图1 横向谐波扰动作用下弹性支承圆柱涡激振动示意图及计算域设置。来源：气动声学与湍流实验室公众号。Elastically mounted cylinder under harmonic cross-flow perturbations and computational domain (source Fig. 1).

图2 扰动强度对圆柱VIV振幅和频率响应的影响。来源：气动声学与湍流实验室公众号。 / Effect of perturbation intensity on cylinder VIV amplitude and frequency response (source Fig. 2). — 02图2 扰动强度对圆柱VIV振幅和频率响应的影响。来源：气动声学与湍流实验室公众号。Effect of perturbation intensity on cylinder VIV amplitude and frequency response (source Fig. 2).