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<p>This study aims to investigate the effectiveness of solid and perforated wavy plates in mitigating water level fluctuations near the Chabahar impermeable seawall. This arrangement creates a gap between the wavy plates and the seawall, inducing Bragg resonance, which can be exploited to diminish water level fluctuations near the seawall. Numerical simulations were conducted using the DualSPHysics software (V 5.2.0), which is based on the smoothed particle hydrodynamics (SPH) method. Initially, the numerical model was validated against experimental results. Subsequently, the effects of wave height, period, and seawall slope on the wave reflection coefficient and water level variation were examined. The results indicate that the wave-mitigating performance of wavy plates decreases with increasing submersion depth. Furthermore, these plates are more effective in mitigating the effects of waves with greater heights and shorter periods. Higher reflection coefficients correspond to lower water level fluctuations within the gap. Solid plates can effectively mitigate wave action on seawalls with low to moderate slopes. Additionally, water level fluctuations outside the gap decrease as the porosity of the wavy plate increases. This study offers valuable insights for designing resilient, environmentally sensitive coastal defenses; however, further experimental validation is recommended to support broader applications.</p>

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SPH Study on Mitigating the Incident Wave Effect on Seawalls Using the Bragg Scattering Phenomenon in the Presence of Wavy-shaped Submerged Plates: Case Study of Chabahar Port

  • 期刊论文

  • 发表日期：

    2026年1月14日

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  • Kaveh Soleimani,
  • Ataollah Gharechae,
  • Mohammad Javad Ketabdari

摘要

This study aims to investigate the effectiveness of solid and perforated wavy plates in mitigating water level fluctuations near the Chabahar impermeable seawall. This arrangement creates a gap between the wavy plates and the seawall, inducing Bragg resonance, which can be exploited to diminish water level fluctuations near the seawall. Numerical simulations were conducted using the DualSPHysics software (V 5.2.0), which is based on the smoothed particle hydrodynamics (SPH) method. Initially, the numerical model was validated against experimental results. Subsequently, the effects of wave height, period, and seawall slope on the wave reflection coefficient and water level variation were examined. The results indicate that the wave-mitigating performance of wavy plates decreases with increasing submersion depth. Furthermore, these plates are more effective in mitigating the effects of waves with greater heights and shorter periods. Higher reflection coefficients correspond to lower water level fluctuations within the gap. Solid plates can effectively mitigate wave action on seawalls with low to moderate slopes. Additionally, water level fluctuations outside the gap decrease as the porosity of the wavy plate increases. This study offers valuable insights for designing resilient, environmentally sensitive coastal defenses; however, further experimental validation is recommended to support broader applications.