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- Title
A SPH two-layer depth-integrated model for landslide-generated waves in reservoirs: application to Halaowo in Jinsha River (China).
- Authors
Lin, Chuan; Pastor, Manuel; Li, Tongchun; Liu, Xiaoqing; Qi, Huijun; Lin, Chaoning
- Abstract
In this work, a two-layer depth-integrated smoothed particle hydrodynamics (SPH) model is applied to investigate the effects of landslide propagation on the impulsive waves generated when entering a water body. In order to deal with the open boundary in practical engineering problems, an absorbing boundary method, based on Riemann invariants which can be applied to arbitrary geometries, is implemented. In order to examine the accuracy of the proposed formulation, the model is tested against both available laboratory tests and numerical examples from the literature. Then, it is adopted to model the characteristics of the impulse waves generated by the Halaowo landslide in the Jinsha River, China. The results provide a technical basis for the emergency plan to the Halaowo landslide and benefit the disaster prevention policy, which helps mitigating future hazards in similar reservoir areas.
- Subjects
CHINA; LANDSLIDES; EMERGENCY management; RESERVOIRS; BODIES of water; RIVERS; THEORY of wave motion
- Publication
Landslides, 2019, Vol 16, Issue 11, p2167
- ISSN
1612-510X
- Publication type
Article
- DOI
10.1007/s10346-019-01204-9