Smooth particle hydrodynamics modelling of liquid-sediment system and coastal wave breaker
Beaches; Erosion; Froude number; Liquids; Sedimentation; Velocity measurement; Water waves; Beach profile; Beach profile erosion; Iribarren numbers; Numerical scheme; Scouring; Smooth particle hydrodynamics; Smoothed particle hydrodynamic; Smoothed particle hydrodynamics; Wave breaker; Wave frequenc...
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Springer Science and Business Media Deutschland GmbH
2023
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my.uniten.dspace-269772023-05-29T17:38:20Z Smooth particle hydrodynamics modelling of liquid-sediment system and coastal wave breaker Ng F.C. Zawawi M.H. Azman A. Abas A. Razak N.A. Aziz N.A. Zahari N.M. 57192101900 39162217600 57210094312 56893346700 52364538900 57201665672 54891672300 Beaches; Erosion; Froude number; Liquids; Sedimentation; Velocity measurement; Water waves; Beach profile; Beach profile erosion; Iribarren numbers; Numerical scheme; Scouring; Smooth particle hydrodynamics; Smoothed particle hydrodynamic; Smoothed particle hydrodynamics; Wave breaker; Wave frequencies; Sediment transport; beach erosion; beach profile; coastal water; Froude number; hydrodynamics; hydrological modeling; wave breaking In this paper, a two-phase coastal liquid-sediment system and a wave breaker were numerically simulated using a particle-based smooth particle hydrodynamics (SPH). To verify the accuracy of SPH numerical scheme and model, a simplified liquid-sediment test case was constructed for validation using particle image velocimetry (PIV) experiment. Quantitatively, the discrepancies of the probed velocities are less than 9.32%. Moreover, both the sediment and flow profiles obtained numerically and experimentally are qualitatively comparable. Through SPH simulation, the exact mechanism of beach profile erosion was visualized. Thus, the veracity of the developed SPH numerical model was affirmed and justified. Using similar numerical approach, the variation effects of wave frequency on the characteristics of breaking wave were investigated. Five liquid-sediment cases of sinusoidal waves of varying frequencies from 0.2 to 1.0�Hz were studied. The characteristics of breaking waves were determined as surging or collapsing, plunging and spilling in the ascending order of wave frequency. Subsequently, the correlation between Iribarren number and Froude number was analyzed to observe the effect of wave breaker types on the beach erosion profile. Furthermore, two statistically correlated equations were formulated to relate wave frequency to Iribarren number and wave height. Finally, generalized plot of Iribarren number against Froude number was developed to determine the characteristics of the breaker wave at different slope angles. Overall, the presented SPH numerical scheme was found viable in simulating coastal problems, for instance, sediment transport and breaking wave impact on erosion. � 2021, Springer-Verlag GmbH Germany, part of Springer Nature. Final 2023-05-29T09:38:20Z 2023-05-29T09:38:20Z 2022 Article 10.1007/s10236-021-01489-2 2-s2.0-85123846587 https://www.scopus.com/inward/record.uri?eid=2-s2.0-85123846587&doi=10.1007%2fs10236-021-01489-2&partnerID=40&md5=88f5a5117835fee779832fca331d476b https://irepository.uniten.edu.my/handle/123456789/26977 72 2 99 114 Springer Science and Business Media Deutschland GmbH Scopus |
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Beaches; Erosion; Froude number; Liquids; Sedimentation; Velocity measurement; Water waves; Beach profile; Beach profile erosion; Iribarren numbers; Numerical scheme; Scouring; Smooth particle hydrodynamics; Smoothed particle hydrodynamic; Smoothed particle hydrodynamics; Wave breaker; Wave frequencies; Sediment transport; beach erosion; beach profile; coastal water; Froude number; hydrodynamics; hydrological modeling; wave breaking |
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57192101900 |
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57192101900 Ng F.C. Zawawi M.H. Azman A. Abas A. Razak N.A. Aziz N.A. Zahari N.M. |
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Article |
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Ng F.C. Zawawi M.H. Azman A. Abas A. Razak N.A. Aziz N.A. Zahari N.M. |
| spellingShingle |
Ng F.C. Zawawi M.H. Azman A. Abas A. Razak N.A. Aziz N.A. Zahari N.M. Smooth particle hydrodynamics modelling of liquid-sediment system and coastal wave breaker |
| author_sort |
Ng F.C. |
| title |
Smooth particle hydrodynamics modelling of liquid-sediment system and coastal wave breaker |
| title_short |
Smooth particle hydrodynamics modelling of liquid-sediment system and coastal wave breaker |
| title_full |
Smooth particle hydrodynamics modelling of liquid-sediment system and coastal wave breaker |
| title_fullStr |
Smooth particle hydrodynamics modelling of liquid-sediment system and coastal wave breaker |
| title_full_unstemmed |
Smooth particle hydrodynamics modelling of liquid-sediment system and coastal wave breaker |
| title_sort |
smooth particle hydrodynamics modelling of liquid-sediment system and coastal wave breaker |
| publisher |
Springer Science and Business Media Deutschland GmbH |
| publishDate |
2023 |
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1806426026859823104 |
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13.214268 |