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Introduction
This tool calculates the sedimentation of an access channel over a certain period of time.
The location and length of the access channel needs to be defined under 'Generic data' (as a structure with type: Access channel).
Using the geometrical input of the access channel the initial profile over the full length is calculated.
Based on the theory of Van Rijn (Basics of channel deposition/siltation, 2013) and the input parameters the sediment transport due to tidal flow and waves outside of the channel is calculated.
Subsequently, the trapping of bed load and suspended load is defined including resulting sedimentation within the channel.
At the end of each calculation round the channel dimensions over the full length are updated and used as input for the following calculation round.
Linear wave theory is applied to translate offshore wave conditions into local nearshore conditions along the channel.
Influence of the channel on the propagation and dissipation of waves is not included in this analysis. This will require more advanced numerical modelling.
How to use the tool
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Examples
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More information will follow