Developing a 2D vertical flow and sediment transport model for open channels using the Youngs-VOF method

Dongmiao Zhao; Jun Tang; Xiuguang Wu; Changning Lin; Lijun Liu; Jian Chen

doi:10.1007/s00343-016-5048-7

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Developing a 2D vertical flow and sediment transport model for open channels using the Youngs-VOF method

OriginalPaper | Updated：2023-05-16

- Developing a 2D vertical flow and sediment transport model for open channels using the Youngs-VOF method
- Developing a 2D vertical flow and sediment transport model for open channels using the Youngs-VOF method
- 海洋湖沼学报（英文） 2017年35卷第2期页码：444-451
- Affiliations：
  
  1. State Key Laboratory of Coastal and Offshore Engineering Dalian University of Technology
  2. Wenzhou Survey & Design Institute of Water Conservancy & Hydroelectricity
  3. Zhejiang Institute of Hydraulic & Estuary
- Author bio：
- Funds：
  
  Supported by the National Natural Science Foundation of China (Nos. 51579036, 51579030) and the Fundamental Research Funds for the Central Universities of China (No. DUT14YQ108)
- DOI：10.1007/s00343-016-5048-7
  中图分类号：
- 网络首发：2016-05-10，
  
  纸质出版：2017
- Accepted：
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Developing a 2D vertical flow and sediment transport model for open channels using the Youngs-VOF method[J]. 海洋湖沼学报（英文）, 2017,35(2):444-451.

Zhao, D., Tang, J., Wu, X. et al. Developing a 2D vertical flow and sediment transport model for open channels using the Youngs-VOF method., Chin. J. Ocean. Limnol. 35, 444–451 (2017). https://doi.org/10.1007/s00343-016-5048-7
Developing a 2D vertical flow and sediment transport model for open channels using the Youngs-VOF method[J]. 海洋湖沼学报（英文）, 2017,35(2):444-451. DOI： 10.1007/s00343-016-5048-7.

Zhao, D., Tang, J., Wu, X. et al. Developing a 2D vertical flow and sediment transport model for open channels using the Youngs-VOF method., Chin. J. Ocean. Limnol. 35, 444–451 (2017). https://doi.org/10.1007/s00343-016-5048-7 DOI：

摘要

Abstract

A 2D vertical (2DV) numerical model

without σ-coordinate transformation in the vertical direction

is developed for the simulation of flow and sediment transport in open channels. In the model

time-averaged Reynolds equations are closed by the k-ε nonlinear turbulence model. The modified Youngs-VOF method is introduced to capture free surface dynamics

and the free surface slope is simulated using the ELVIRA method. Based on the power-law scheme

the k-ε model and the suspended-load transport model are solved numerically with an implicit scheme applied in the vertical plane and an explicit scheme applied in the horizontal plane. Bedload transport is modeled using the Euler-WENO scheme

and the grid-closing skill is adopted to deal with the moving channel bed boundary. Verification of the model using laboratory data shows that the model is able to adequately simulate flow and sediment transport in open channels

and is a good starting point for the study of sediment transport dynamics in strong nonlinear flow scenarios.

关键词

Keywords

references

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