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Hydrodynamic models for nearshore wave processes constitute essential components of decision-support tools for disaster managers and coastal planners, as well as coastal engineering projects. However, the accuracy achieved by these tools is highly dependent on the correct estimation of certain calibration coefficients. This work focuses on the development of an automatic calibration methodology of these models that uses hybrid modeling to reduce the time and resources commonly required for this task. The proposed methodology is applied to the monitored coral reef-lined coast, Moloka’i, Hawai’i. Specifically, we aim to predict the optimal wave breaking (Cr) and friction (Cf) coefficients, which govern the wave breaking process and the dissipation of wave energy. In this case, where we validate against a total of 2,064 measured sea states, we achieve Root Mean Square Errors (RMSE) of less than 0.07 m for the root mean square wave height (Hrms) when considering the resulting optimal combination coefficients.

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Hybrid Methodology for Efficient Calibration of Hydrodynamic Models

  • 会议论文

  • 出版模式：

    开放获取

  • 发表日期：

    2026年

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  • Beatriz Pérez-Díaz,
  • Pablo Zubia,
  • Alba Ricondo,
  • Manuel Zornoza-Aguado,
  • Curt D. Storlazzi,
  • Laura Cagigal,
  • Valvanuz Fernandez-Quiruelas,
  • Pablo Alonso-Alguacil,
  • Fernando J. Mendez,
  • Sonia Castanedo

摘要

Hydrodynamic models for nearshore wave processes constitute essential components of decision-support tools for disaster managers and coastal planners, as well as coastal engineering projects. However, the accuracy achieved by these tools is highly dependent on the correct estimation of certain calibration coefficients. This work focuses on the development of an automatic calibration methodology of these models that uses hybrid modeling to reduce the time and resources commonly required for this task. The proposed methodology is applied to the monitored coral reef-lined coast, Moloka’i, Hawai’i. Specifically, we aim to predict the optimal wave breaking (Cr) and friction (Cf) coefficients, which govern the wave breaking process and the dissipation of wave energy. In this case, where we validate against a total of 2,064 measured sea states, we achieve Root Mean Square Errors (RMSE) of less than 0.07 m for the root mean square wave height (Hrms) when considering the resulting optimal combination coefficients.