Uncertainty Analysis of Overflow Due to Sea Dike Failure During Typhoon Events
Taiwan is frequently affected by typhoons, which cause storm surges and wave impacts that damage sea dikes, resulting in overflow and subsequent flooding. Therefore, it is essential to analyze the damage to sea dikes caused by storm surges and wave impacts, leading to overflow, for effective coastal...
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MDPI AG
2025-03-01
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| author | Wei-Che Huang Wen-Cheng Liu Hong-Ming Liu |
| author_facet | Wei-Che Huang Wen-Cheng Liu Hong-Ming Liu |
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| description | Taiwan is frequently affected by typhoons, which cause storm surges and wave impacts that damage sea dikes, resulting in overflow and subsequent flooding. Therefore, it is essential to analyze the damage to sea dikes caused by storm surges and wave impacts, leading to overflow, for effective coastal protection. This study employs the ADCIRC model coupled with the SWAN model to simulate storm surges and waves around Taiwan and develops a sea dike failure model that incorporates mechanisms for impact damage, run-up damage, and overflow calculation. To ensure model accuracy, three historical typhoon events were used for calibration and validation of the ADCIRC+SWAN model. The results show that the ADCIRC coupled with SWAN model can effectively simulate storm surges and waves during typhoons. Typhoon Soulik (2013) was simulated to examine a breach in the Tamsui Youchekou sea dike in northern Taiwan, and an uncertainty analysis was conducted using the Monte Carlo method and Bayesian theorem. The results indicate that when the compressive strength of the sea dike is reduced to 5% of its original strength, impact and run-up damage occur, leading to overflow. In the case of impact damage, the overflow volume due to the breach falls within a 95% confidence interval of 0.16 × 10<sup>6</sup> m<sup>3</sup> to 130 × 10<sup>6</sup> m<sup>3</sup>. For run-up damage, the 95% confidence interval for the overflow volume ranges from 0.16 × 10<sup>6</sup> m<sup>3</sup> to 639 × 10<sup>6</sup> m<sup>3</sup>. The ADCIRC+SWAN model is used to simulate storm surge and waves, incorporating impact damage and run-up damage mechanisms to represent concrete sea dike failure. This approach effectively models dike failure and calculates the resulting overflow. |
| format | Article |
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| series | Journal of Marine Science and Engineering |
| spelling | doaj-art-2c41f9b6b461493082bbc16cc59b578c2025-08-20T01:49:04ZengMDPI AGJournal of Marine Science and Engineering2077-13122025-03-0113357310.3390/jmse13030573Uncertainty Analysis of Overflow Due to Sea Dike Failure During Typhoon EventsWei-Che Huang0Wen-Cheng Liu1Hong-Ming Liu2Department of Civil and Disaster Prevention Engineering, National United University, Miaoli 360302, TaiwanDepartment of Civil and Disaster Prevention Engineering, National United University, Miaoli 360302, TaiwanDepartment of Civil and Disaster Prevention Engineering, National United University, Miaoli 360302, TaiwanTaiwan is frequently affected by typhoons, which cause storm surges and wave impacts that damage sea dikes, resulting in overflow and subsequent flooding. Therefore, it is essential to analyze the damage to sea dikes caused by storm surges and wave impacts, leading to overflow, for effective coastal protection. This study employs the ADCIRC model coupled with the SWAN model to simulate storm surges and waves around Taiwan and develops a sea dike failure model that incorporates mechanisms for impact damage, run-up damage, and overflow calculation. To ensure model accuracy, three historical typhoon events were used for calibration and validation of the ADCIRC+SWAN model. The results show that the ADCIRC coupled with SWAN model can effectively simulate storm surges and waves during typhoons. Typhoon Soulik (2013) was simulated to examine a breach in the Tamsui Youchekou sea dike in northern Taiwan, and an uncertainty analysis was conducted using the Monte Carlo method and Bayesian theorem. The results indicate that when the compressive strength of the sea dike is reduced to 5% of its original strength, impact and run-up damage occur, leading to overflow. In the case of impact damage, the overflow volume due to the breach falls within a 95% confidence interval of 0.16 × 10<sup>6</sup> m<sup>3</sup> to 130 × 10<sup>6</sup> m<sup>3</sup>. For run-up damage, the 95% confidence interval for the overflow volume ranges from 0.16 × 10<sup>6</sup> m<sup>3</sup> to 639 × 10<sup>6</sup> m<sup>3</sup>. The ADCIRC+SWAN model is used to simulate storm surge and waves, incorporating impact damage and run-up damage mechanisms to represent concrete sea dike failure. This approach effectively models dike failure and calculates the resulting overflow.https://www.mdpi.com/2077-1312/13/3/573uncertainty analysissea dike failurestorm surgewaveoverflowtyphoon |
| spellingShingle | Wei-Che Huang Wen-Cheng Liu Hong-Ming Liu Uncertainty Analysis of Overflow Due to Sea Dike Failure During Typhoon Events Journal of Marine Science and Engineering uncertainty analysis sea dike failure storm surge wave overflow typhoon |
| title | Uncertainty Analysis of Overflow Due to Sea Dike Failure During Typhoon Events |
| title_full | Uncertainty Analysis of Overflow Due to Sea Dike Failure During Typhoon Events |
| title_fullStr | Uncertainty Analysis of Overflow Due to Sea Dike Failure During Typhoon Events |
| title_full_unstemmed | Uncertainty Analysis of Overflow Due to Sea Dike Failure During Typhoon Events |
| title_short | Uncertainty Analysis of Overflow Due to Sea Dike Failure During Typhoon Events |
| title_sort | uncertainty analysis of overflow due to sea dike failure during typhoon events |
| topic | uncertainty analysis sea dike failure storm surge wave overflow typhoon |
| url | https://www.mdpi.com/2077-1312/13/3/573 |
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