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Impact of Ship-Generated Waves on the Sediment Resuspension in Restricted Waterways by Mainak Chakraborty; V. Sriram; K. Murali is a Earth and Planetary Sciences article available to read on EtoBox.

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The ship-generated waves in restricted waterways can influence the behavior of sediment resuspension and bank erosion. This paper explores the case study considering the effect of ship-generated waves in restricted channels. A fully nonlinear Boussinesq model (FUNWAVE-TVD) is used to simulate the ship-generated waves. The sediment transport model adopted in FUNWAVE has been changed to incorporate the modified diffusion coefficients, deposition flux, and an explicit equation for settling velocity and critical shield parameter. The sediment transport model was validated against the experimental results of solitary waves in a wave tank, and model performance in shoreline geometry was reported. The implementation of the moving vessel in the numerical model and its impact on suspended sediment concentration were evaluated against the field measurements in the Falta stretch of the Hooghly river in Indian National Waterway 1. The error value in predicting the depth-averaged suspended sediment concentration by the FUNWAVE module was 97.6%, which has been significantly reduced to 16.3% based on the present modification. The parametric study of the ship waves in a typical restricted waterway

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Author

Mainak Chakraborty; V. Sriram; K. Murali

Publisher

American Society of Civil Engineers (ASCE)

Published

2023

Language

EN

Field

Earth and Planetary Sciences (Physical Sciences)