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Bulletin of Engineering Geology and the Environment

A hydraulic soil erosion model based on a weakly compressible smoothed particle hydrodynamics method

  • 14-03-2019
  • Original Paper
Published in:
Authors
Zili Dai
Yu Huang
Qiang Xu
Published in
Bulletin of Engineering Geology and the Environment | Issue 8/2019

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Abstract

Hydraulic soil erosion is one of the most important natural phenomena driving terrain changes over time. It is associated with a variety of geoenvironmental hazards such as coastline retreat, soil loss and debris flows, and can have severe consequences. In this work, an erosion criterion was introduced to analyze the water–sediment interaction, and a hydraulic soil erosion model was then established based on the smoothed particle hydrodynamics (SPH) method. Numerical simulations of dam-break flow on a mobile bed and sediment flushing were carried out, and the performance of the hydraulic erosion model was evaluated. The numerical results matched the experimental data well, thus verifying the reliability and validity of the proposed model.

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previous article Surface runoff on loess: an example of a commonly overlooked hazardous process from northeast Czech Republic
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Title
A hydraulic soil erosion model based on a weakly compressible smoothed particle hydrodynamics method
Authors
Zili Dai
Yu Huang
Qiang Xu
Publication date
14-03-2019
Publisher
Springer Berlin Heidelberg
Published in
Bulletin of Engineering Geology and the Environment / Issue 8/2019
Print ISSN: 1435-9529
Electronic ISSN: 1435-9537
DOI
https://doi.org/10.1007/s10064-019-01489-z
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