The sediment transport user-specified computational options, parameters, tolerances, and methods are set in the Sediment Computation Options and Tolerances editor. To open the editor, open the Unsteady Flow Analysis editor and select the Options menu and click on the menu item Sediment Computation Options and Tolerances (see figure below).

Figure 1. Bed Gradation editor with an example grain size distribution.


The Sediment Computation Options and Tolerances editor has two tabs: General and 2D Computational Options. These tabs are described in the sections below.