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September 10, 2025Physics of Fluids

Multiphase flow model for surge waves generated by flow-like landslide based on smoothed particle hydrodynamics

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This multiphase flow model predicts tsunami wave amplitudes in reservoir settings, suggesting urgent risk assessment needs.

Simulation predicts tsunami wave amplitude up to 4.94 m, indicating significant hazard levels in reservoir areas.
Peak landslide velocity reached 12.13 m/s, highlighting the strong impact of landslide dynamics on wave generation.
Sensitivity analyses reveal that wave amplitude increases with larger landslide volumes and dropping water levels.
Validated model aligns well with empirical results and alternative numerical methods, supporting its reliability for risk mitigation.

Dai et al. (2025) studied this question.

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