CMS-Flow:Model Control:Sediment Transport

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CMS ModelControl SedimentTransport1.png

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).
CMS ModelControl SedimentTransport2.png

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