Figure 1.
CMS-Flow Model Control :
Model Parameters tab in SMS 11.0.
All of the CMS-Flow model parameters, settings, and output options are controlled from the CMS-Flow Model Control window (Figure 1). The window has several tabs including the Flow tab in which most of the general settings are set for CMS-Flow. To open the CMS-Flow Model Control window, click on CMS-Flow | Model Control. The first tab will be the Flow tab. There are several sections within the tab including Time Control and Hot Start options.
Grain Size Specification
| Card |
Arguments |
Example |
Description
|
| SEDIMENT_SIZE_CLASS_NUMBER |
INTEGER |
3 |
Specifies the number of grain size classes.
|
| MULTIPLE_GRAIN_SIZES |
INTEGER [REAL, REAL,..., REAL] |
3 0.1 0.2 0.3 |
Specifies the number of grain sizes followed by the grain sizes for each size class in mm.
|
| SEDIMENT_SIZE_CLASS_DIAMETERS |
INTEGER [REAL, REAL,..., REAL] |
3 0.1 0.2 0.3 |
Specifies the number of grain sizes followed by the grain sizes for each size class in mm. Same as ULTIPLE_GRAIN_SIZES.
|
| SEDIMENT_SIZE_CLASS_LIMITS |
INTEGER [REAL, REAL,..., REAL] |
4 0.07 0.15 0.26 0.34 |
Specifies the size classes limits. The first entry is the number of size class limits which is one greater than the number of size classes.
|
Fractional Bed Composition
| Card |
Arguments |
Default/Format |
Range |
Description
|
| BED_COMPOSITION_INPUT |
CHARACTER |
D50_SIGMA | D16_D50_D84 | D35_D50_D90 | HISTOGRAM | FRACTION_DATASET |
Selects the method for specifying the bed material composition.
|
D50 Dataset and Standard Deviation
| Card |
Arguments |
Default/Format |
Range |
Description
|
| D50_DATASET |
CHARACTER |
none |
|
|
| SEDIMENT_STANDARD_DEVIATION |
REAL |
|
|
|
D16, D50, and D84 Datasets
| Card |
Arguments |
Default/Format |
Range |
Description
|
| D16_DATASET |
CHARACTER |
none |
|
|
| D50_DATASET |
CHARACTER |
none |
|
|
| D84_DATASET |
CHARACTER |
none |
|
|
D35, D50, and D90 Datasets
| Card |
Arguments |
Default/Format |
Range |
Description
|
| D35_DATASET |
CHARACTER |
none |
|
|
| D50_DATASET |
CHARACTER |
none |
|
|
| D90_DATASET |
CHARACTER |
none |
|
|
Histogram
| Card |
Arguments |
Example |
Description
|
| SEDIMENT_SIZE_CLASS_FRACTIONS |
INTEGER [REAL, REAL,..., REAL] |
3 0.2 0.5 0.3 |
Specifies the fractional composition for each size class for all cells and bed layers. The first entry is the number of grain size classes.
|
Fractional Composition Dataset
| Card |
Arguments |
Default/Format |
Range |
Description
|
| BED_FRACTIONAL_COMPOSITION_DATASET |
CHARACTER CHARACTER |
[<grid file>] [<grid name>//"Datasets/<Name>"] |
Fractional bed composition file. Necessary when setting BED_COMPOSITION_INPUT to FRACTION_DATASET.
|
Bed Layer Thickness
Table 1. CMS-Flow cards related to the general parameters
| Card |
Arguments |
Default/Format |
Range |
Description
|
| BED_LAYER_THICKNESS_INPUT |
CHARACTER |
NONE |
NONE | CONSTANT | LAYER_THICKNESS | LAYER_DATASET |
|
|
| BED_LAYER_THICKNESS_DATASET |
CHARACTER CHARACTER |
none |
[file] [path] |
Specifies the bed layer thickness file and dataset path.
|
| BED_LAYERS_MAX_NUMBER |
INTEGER |
|
|
|
| BED_LAYERS_CONSTANT_THICKNESS |
INTEGER [REAL, REAL,..., REAL] |
|
|
|
| BED_LAYERS_THICKNESS |
INTEGER [REAL, REAL,..., REAL] |
|
|
|
| BED_LAYERS_CONSTANT_THICKNESS |
INTEGER [REAL, REAL,..., REAL] |
|
|
|
| BED_LAYERS_CONSTANT_THICKNESS |
INTEGER [REAL, REAL,..., REAL] |
|
|
|
Mixing Layer
| Card |
Arguments |
Default/Format |
Range |
Description
|
| MIXING_LAYER_CONSTANT_THICKNESS |
INTEGER [REAL, REAL,..., REAL] |
|
|
|
| MIXING_LAYER_MIN_THICKNESS |
INTEGER [REAL, REAL,..., REAL] |
|
|
|
Parameters
The general parameters are the water density and temperature. The CMS-Flow cards for the general parameters are described in the table below.
| Card |
Arguments |
Default/Format |
Range |
Description
|
| HIDING_EXPOSURE_COEFFICIENT |
REAL |
1025 |
- |
Water density in kg/m^3.
|
| HIDING_EXPOSURE_COEFF |
REAL |
15 |
- |
Water temperature in degrees Celcius.
|
Boundary and Initial Conditions
| Card |
Arguments |
Default/Format |
Range |
Description
|
| SEDIMENT_INFLOW_LOADING_FACTOR |
REAL |
1025 |
- |
Water density in kg/m^3.
|
| SEDIMENT_FLUX_CELLSTRING |
REAL |
1025 |
- |
Water density in kg/m^3.
|
Output Files and Datasets
| Card |
Arguments |
Default/Format |
Range |
Description
|
| BED_OUT_TIMES_LIST |
INTEGER |
1025 |
- |
Water density in kg/m^3.
|
| SEDMIX_OUT_TIMES_LIST |
INTEGER |
1025 |
- |
Water density in kg/m^3.
|
Examples
SEDIMENT_MAX_ITERATIONS 30
SEDIMENT_STATISTICS 120.0 720.0
BED_COMPOSITION_INPUT D50_SIGMA
MULTIPLE_GRAIN_SIZES 6 0.1 0.126 0.16 0.2 0.25 0.31
SEDIMENT_STANDARD_DEVIATION 1.3
BED_LAYER_CONSTANT_THICKNESS 0.5
MIXING_LAYER_CONSTANT_THICKNESS 0.1
MIXING_LAYER_MIN_THICKNESS 0.05
HIDING_EXPOSURE_COEFFICIENT 1.0
SEDMIX_OUT_TIMES_LIST 2
BED_OUT_TIMES_LIST 2
CALC_MORPH_DURING_RAMP OFF
SEDIMENT_MAX_ITER 30
BED_COMPOSITION_INPUT D50_SIGMA
SEDIMENT_STANDARD_DEVATION 1.5
MULTIPLE_GRAIN_SIZES 5 0.08 0.12 0.17 0.28 0.45
BED_LAYER_CONSTANT_THICKNESS 0.5
MIXING_LAYER_CONSTANT_THICKNESS 0.02
MIXING_LAYER_MIN_THICKNESS 0.01
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