| Issue |
E3S Web Conf.
Volume 40, 2018
River Flow 2018 - Ninth International Conference on Fluvial Hydraulics
|
|
|---|---|---|
| Article Number | 03023 | |
| Number of page(s) | 8 | |
| Section | Hydraulic structures and their effects on bed, flow regime and ecology | |
| DOI | https://doi.org/10.1051/e3sconf/20184003023 | |
| Published online | 05 September 2018 | |
Numerical modelling of cantilever failure and effect of slump blocks on meander migration
1
Graduate School of Engineering, Hokkaido University, Japan
2
University of Toyama, Japan
3
Graduate School of Engineering, Hokkaido University, Japan
* Corresponding author: rubikraf@gmail.com
This study proposes a new numerical model to study cantilever failures and the effect of slump blocks on meander migration in cohesive river banks. Previous models have incorporated the effect of slump blocks using different methodologies but most of them used an “indirect approach” (such as increasing the critical shear stresses or introducing armouring factors) which does not allow to evaluate the effect of slump blocks directly. The new numerical model introduces an explicit representation of slump blocks and it was obtained by coupling two models available on the literature. The model was able to represent the mechanisms of cantilever failure with slump blocks and their effect in meander migration in a hypothetical small scale channel.
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (http://creativecommons.org/licenses/by/4.0/).
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