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This study enhances the vibration reduction performance of marine equipment bases using Finite Element Analysis (FEA). It explores how structural parameters, such as elbow plate count and panel thickness, along with vibration mass positioning and damping layer application, affect performance. Key findings within the 10 Hz to 5000 Hz range include a 1.4 dB increase in vibration level difference with 11 elbow plates versus fewer, and a 1.9 dB increase with a 70 mm panel thickness. An 80mm hollow offset vibration mass boosts the difference by 2.5 dB in the 1000–5000 Hz band, while a 100mm mass improves it by 3.0 dB in the 10–1000 Hz band. These insights guide the design of more effective marine equipment base structures for vibration reduction.

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Research on Vibration Isolation Performance of Active Vibration Isolation System Base Structure for Marine Power Equipment

  • 会议论文

  • 出版模式：

    开放获取

  • 发表日期：

    2026年

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  • Jianlong Hu,
  • Lin Lin,
  • Zhaowang Xia

摘要

This study enhances the vibration reduction performance of marine equipment bases using Finite Element Analysis (FEA). It explores how structural parameters, such as elbow plate count and panel thickness, along with vibration mass positioning and damping layer application, affect performance. Key findings within the 10 Hz to 5000 Hz range include a 1.4 dB increase in vibration level difference with 11 elbow plates versus fewer, and a 1.9 dB increase with a 70 mm panel thickness. An 80mm hollow offset vibration mass boosts the difference by 2.5 dB in the 1000–5000 Hz band, while a 100mm mass improves it by 3.0 dB in the 10–1000 Hz band. These insights guide the design of more effective marine equipment base structures for vibration reduction.