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<p>This study introduces a numerical model utilizing the boundary element method to assess wave resonance in multi-connected, realistic ports with breakwaters and channels of varying depths. The model introduces an innovative approach to mitigate wave resonance through the strategic integration of a permeable/porous and impermeable breakwater system, a variable-depth channel, and partially reflective coastal boundaries. Numerical accuracy is assessed using convergence tests and validation against existing studies. Further validation is performed by comparing numerical results, with and without permeable breakwaters, to analytical solutions, demonstrating strong agreement. The model's effectiveness in attenuating wave resonance and minimizing its adverse impacts such as increased vessel motion and potential damage to vessels and infrastructure is analyzed for Mangalore Port, Karnataka, India. Four critical zones within the port are identified to examine the effects of energy dissipation, variable water depths, and wall reflection coefficients under resonance conditions. The findings highlight the proposed methodology's potential to effectively control wave resonance, providing practical insights for port design and management to enhance safety and operational efficiency in complex maritime environments.</p>

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Mitigation of wave resonance in a multi-connected port using a combination of permeable-impermeable breakwaters and variable-depth channels

  • 期刊论文

  • 发表日期：

    2025年9月5日

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  • Prachi Priya,
  • Komal Thakran,
  • Rupali.,
  • Prashant Kumar

摘要

This study introduces a numerical model utilizing the boundary element method to assess wave resonance in multi-connected, realistic ports with breakwaters and channels of varying depths. The model introduces an innovative approach to mitigate wave resonance through the strategic integration of a permeable/porous and impermeable breakwater system, a variable-depth channel, and partially reflective coastal boundaries. Numerical accuracy is assessed using convergence tests and validation against existing studies. Further validation is performed by comparing numerical results, with and without permeable breakwaters, to analytical solutions, demonstrating strong agreement. The model's effectiveness in attenuating wave resonance and minimizing its adverse impacts such as increased vessel motion and potential damage to vessels and infrastructure is analyzed for Mangalore Port, Karnataka, India. Four critical zones within the port are identified to examine the effects of energy dissipation, variable water depths, and wall reflection coefficients under resonance conditions. The findings highlight the proposed methodology's potential to effectively control wave resonance, providing practical insights for port design and management to enhance safety and operational efficiency in complex maritime environments.