CMS-Flow:Model Control:Sediment Transport

Timing

• Morphology change start time

Formulation

• Formulation selection

Transport Formula

• Transport formula
• Concentration profile

Properties

• Sediment density
• Sediment porosity

Bed Composition

Either Simplified or Normal selection can be chosen.

Simplified

• Multiple grain size selection
• Number of size classes
• Bed composition input selection
  • Sediment standard deviation
  • D50 bed layer definition
• Number of bed layers
• Constant thickness for mixing layer
• Constant thickness for bed layers

Normal

• Maximum number of bed layers
• Minimum bed layer thickness
• Maximum bed layer thickness
• Bed layer block (choose number of layers and various datasets).

Scaling factors and coefficients

• Bed load scaling factor
• Suspended load scaling factor
• Morphologic acceleration factor
• Bed slope diffusion coefficient
• Hiding and exposure coefficient

Adaptation

• Total load adaptation method selection
• Total load adaptation length

Transport grain size classes

• Choose number of grain sizes
  • Diameter
  • Fall velocity method
  • Fall velocity
  • Corey Shape factor
  • Critical shear method
  • Critical shear stress

Avalanching

• Critical Bed slope
• Maximum number of iterations

Hard Bottom

• Hard bottom dataset selection