Physics-based Modeling of the Earthquake-Landslide-Surge-Dam Overtopping Disaster Chain Scenarios

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This research aims to develop a comprehensive modeling framework to simulate the chain disaster scenarios induced by strong earthquakes, focusing on the interactions between earthquakes, landslides, and dam responses.
Developed a multiscale numerical simulation framework combining Spectral Element Method (SEM), Finite Element Method (FEM), and Smoothed Particle Hydrodynamics (SPH).
Conducted full process simulations from earthquake rupture to landslide initiation, movement, and deposition.
Simulated the interactions between landslide water entry, wave generation, and dam structure using a SPH-FEM coupling model.
Successfully modeled the entire disaster chain from earthquake rupture to dam impact, revealing complex coupling effects.
Demonstrated that the proposed framework allows for accurate reconstruction and transfer of landslide dynamics and geometric parameters.
Provided scenario analysis for a typical reservoir area under seismic conditions, illustrating potential instability and overtopping risks.

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Demonstrates a simulation framework for modeling disaster chains involving earthquakes and landslides, highlighting their impacts on dam stability.

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Jiang et al. (2026) studied this question.

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