LaharFlow
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Domain settings
Parameters
Data export
Plot settings
Load/save parameters
Latitude:
Latitude of the centre of the domain, in decimal form (e.g. -12.0352).
-90 – 90
Longitude:
Longitude of the centre of the domain, in decimal form (e.g. -12.0352).
-360 – 360
Domain size in x:
length of the domain in the x direction (Easting), in metres (e.g. 10000).
0 – 40000
Domain size in y:
length of the domain in the y direction (Northing), in metres (e.g. 20000).
0 – 40000
x resolution:
cell size in the x direction (Easting), in metres (e.g. 30).
1 – 90
y resolution:
cell size in the y direction (Northing), in metres (e.g. 30).
1 – 90
Simulation time:
time span to simulate, in seconds (e.g. 3600)
0 – 10800
Add cap source
Add flux source
Review sources
View domain
Chezy coef.:
Chezy drag coefficient.
> 0
Granular friction min.:
granular friction coefficient minimum value.
> 0
Granular friction max.:
granular friction coefficient maximum value.
> 0
Friction switch value.:
value characterizing the switch between fluid and granular frictional forms.
≥ 0
Friction switch rate.:
value characterizing the rate of the switch between fluid and granular frictional forms.
≥ 0
Erosion rate:
coefficient in the erosion parameterization that quantifies the rate at which volume is added from the bed.
≥ 0
Erosion depth:
depth of erodible layer (m).
≥ 0
Erosion critical height:
height below which erosion is switched off (m).
≥ 0
Bed porosity:
porosity of the erodible sediment.
≥ 0
Solid diameter:
characteristic diameter of the erodible sediment (m).
> 0
Run Model
Status:
×
Add Cap
Location:
Latitude-longitude
Specifiy location of the cap using latitude and longitude.
Offset from centre
Specifiy location of the cap as distances relative to the centre of the domain.
Latitude:
Latitude of the cap source, in decimal form (e.g. -12.0352).
-90 – 90
Longitude:
Longitude of the cap source, in decimal form (e.g. -12.0352).
-360 – 360
x position:
Position of the cap source along the x direction (Easting),
in metres relative to the domain centre (e.g. 1500).
Must be in domain
y position:
Position of the cap source along the y direction (Northing),
in metres relative to the domain centre (e.g. 1500).
Must be in domain
Size:
Radius:
Radius of the cap source, in metres (e.g. 10.0).
> 0
Height:
Height of the cap source, in metres (e.g. 5.0).
> 0
Volume:
Volume of the cap source, in metres
3
(e.g. 5e4).
> 0
Shape:
Top-hat
Parabolic
Shape of the cap source, either top-hat (i.e. constant cap height within the cap radius) or parabolic cap.
×
Add Flux Source
Location:
Latitude-longitude
Specifiy location of the source using latitude and longitude.
Offset from centre
Specifiy location of the source as distances relative to the centre of the domain.
Latitude:
Latitude of the flux source, in decimal form (e.g. -12.0352).
-90 – 90
Longitude:
Longitude of the flux source, in decimal form (e.g. -12.0352).
-360 – 360
x position:
Position of the flux source along the x direction (Easting),
in metres relative to the domain centre (e.g. 1500).
Must be in domain
y position:
Position of the flux source along the y direction (Northing),
in metres relative to the domain centre (e.g. 1500).
Must be in domain
Size:
Radius:
Radius of the flux source, in metres (e.g. 10.0).
> 0
Time series:
Time series for the flux source, as comma separated values with time in first row (in seconds) and flux in second row (in m
3
/s), e.g.
0, 100, 200
0, 10, 0
×
Review sources
Cap sources:
Flux sources:
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