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<p>This paper focuses on the flow-induced vibration characteristics involving electro-fluid-structure coupling in rotating cantilevered pipes with a piezoelectric material layer. A dynamic coupling mathematical model for a cantilever rotating pipe with a piezoelectric layer is constructed based on Hamilton’s principle, taking into account the effects of the cantilever pipe’s rotational speed and the piezoelectric material properties. The resulting governing equations are solved using the Galerkin method. The findings demonstrate that the system’s vibration characteristics are significantly influenced by the rotational speed as well as piezoelectric parameters like voltage and resistive load.</p>

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Coupling Vibration Analysis of Piezoelectric Laminated Rotating Cantilever Pipe Conveying Fluid

  • 期刊论文

  • 发表日期：

    2026年2月18日

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  • Xueping Chang,
  • Dachao Liu

摘要

This paper focuses on the flow-induced vibration characteristics involving electro-fluid-structure coupling in rotating cantilevered pipes with a piezoelectric material layer. A dynamic coupling mathematical model for a cantilever rotating pipe with a piezoelectric layer is constructed based on Hamilton’s principle, taking into account the effects of the cantilever pipe’s rotational speed and the piezoelectric material properties. The resulting governing equations are solved using the Galerkin method. The findings demonstrate that the system’s vibration characteristics are significantly influenced by the rotational speed as well as piezoelectric parameters like voltage and resistive load.