and half of the lock height ˆH /2 (see figure 1) to make flow quantities dimensionless. In equation (4), ˆρp, ˆρ0, and C0
denote particle material density, density of the ambient fluid, and the initial volume fraction of particles in the lock,
respectively. We remark that aˆ-sign refers to a dimensional quantity.
Assuming a dilute particulate phase, we employ a continuum description of the sediment concentration field c(x, t)
and evolve it in an Eulerian manner by