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Related Experiment Video

Updated: Dec 25, 2025

Simulating Impacts of Ice Storms on Forest Ecosystems

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Published on: June 30, 2020

Numerical simulation data on landslide generated impulse waves affected by the reservoir geometry.

Yu Zhang¹, Deying Li¹, Lixia Chen²

¹Faculty of Engineering, China University of Geosciences, Wuhan 430074, China.

|April 1, 2020

Summary

Reservoir geometry significantly impacts landslide-generated impulse waves. Converging and diverging geometries alter wave characteristics, influencing wave height and amplitude during propagation.

Keywords:

Impulse wave Landslides Reservoir geometry Wave amplitude

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Area of Science:

Geophysics
Fluid Dynamics
Computational Hydraulics

Background:

Landslide-induced impulse waves pose significant risks in reservoir environments.
Understanding wave propagation and transformation is crucial for hazard assessment.

Purpose of the Study:

To investigate the influence of generalized reservoir geometries on landslide-generated impulse waves.
To analyze the effects of converging and diverging reservoir shapes on wave characteristics.

Main Methods:

Numerical simulations using the Tsunami Squares method.
Modeling 14 reservoir geometries with varying expansion angles (0° to 30°).
Acquisition of time series data for water surface elevation and wave parameters from 70 numerical wave gauges.

Main Results:

Time series data of water surface elevation at 2 km propagation distance were obtained for converging and diverging reservoir models.
Wave profiles and parameters (height, amplitude, trough) were analyzed at different propagation distances.
The study quantifies the impact of reservoir geometry on impulse wave characteristics.

Conclusions:

Reservoir geometry is a critical factor in modulating landslide-generated impulse waves.
Converging and diverging geometries lead to distinct wave transformation patterns.
The generated data provides valuable insights for understanding wave behavior in complex reservoir environments.