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As a fundamental phenomenon of fluids, the theoretical explanation of vortex rings has been a challenge in the study of fluid forces. In this paper, we proposed a three-dimensional mass-spring damping system to explain the dynamics of vortex ring processes in fluids in light of the fact that the Karman vortex are a decaying feature while oscillating. This approach provides a second-order linear dynamical model for fluid vortex rings, which is kind of important for studying the mechanism of vortex ring generation.

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Second-Order Linear Model of Vortex Street

  • 会议论文

  • 发表日期：

    2026年

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  • Tengfei Zheng,
  • Xia Liu,
  • Chaohui Wang,
  • Zelin Liu

摘要

As a fundamental phenomenon of fluids, the theoretical explanation of vortex rings has been a challenge in the study of fluid forces. In this paper, we proposed a three-dimensional mass-spring damping system to explain the dynamics of vortex ring processes in fluids in light of the fact that the Karman vortex are a decaying feature while oscillating. This approach provides a second-order linear dynamical model for fluid vortex rings, which is kind of important for studying the mechanism of vortex ring generation.