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ERDC TN-DOER-E10
April 2000
Figure 2. Boundary-fitted grid supported by SSFATE, upper Narragansett Bay, Rhode Island
At the end of each time-step the concentration of each sediment class Ci as well as the total
concentration C is computed on a concentration numerical grid. The size of all grid cells is the same
relative to one another and to time, with the total number of cells increasing as the suspended
sediment plume moves away from the dredging source. The settling velocity of each particle size
class is computed from
FG C IJ n
i
H Cul K
Wsi = a
(10)
6
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