Abstract
A criticism of the DEM-based model for the simulation of sediment transport process is an empirical selection of tuning parameters. Here, the parameters of the DEM-based numerical movable bed simulator are tuned to agree the calculated sediment transport rate with previous experimental results. Very simple analytical expression of the tuning parameters are shown. Standard diagram of the calculating time step is given for various combination of the sediment diameter and the thickness of sediment depositing layer.
