Dear Eliana,

NUM_TYPE refers to the definition of numerical methods. I gues that this keyword has ben deprecated.

*.rfd file allows you to define time series) that can be used, for example, as boundary conditions in the *.bc file. You define a time series by setting the key word #CURVES followed by time steps (t) and corresponding values ( f(t) ). you can define several time series (curves) in one file. the curves are automatically numered starting with 1. make sure to set the time steps according to your time stepping scheme defined in *.tim.
Example:
*.rfd:
//
#CURVES
// t f(t)
0 0
100 150
200 0
300 0
#CURVES
0 88
100 11
200 66
#STOP
//
You refer to these time series in the *.bc file by setting the keyword $TIM_TYPE followed by the corresponding curve number.
Example *.bc bloc:
#BOUNDARY_CONDITION
$PCS_TYPE
MASS_TRANSPORT
$PRIMARY_VARIABLE
Tracer
$GEO_TYPE
POINT POINTVAin
$DIS_TYPE
CONSTANT 1.0 // define mulitplier, the values of the curve are muliplied by this value
$TIM_TYPE
CURVE 1 // define curve number to use
#BOUNDARY_CONDITION
$PCS_TYPE
MASS_TRANSPORT
$PRIMARY_VARIABLE
Tracer
$GEO_TYPE
POINT POINTVAin
$DIS_TYPE
CONSTANT 2.0 // now you would double all the values of your curve
$TIM_TYPE
CURVE 1 // define curve number to use
ogs automatically interpolates the function values if your time stepping scheme in smaller then defined steps in #CURVES.
FYI: The *.fct file allows to define user functions in general (x, f(x) ), which can be called by names within *.bc blocs or blocs of other input files. This maybe more convenient if you have a lot of functions/time series and do not want to get irritated by too many curves numbers.
Best,
Johannes
···
Am Donnerstag, 10. Mai 2018, 09:35:54 MESZ hat Eliana Medeiros Ferreira da Silva Gallo elianaengland@gmail.com Folgendes geschrieben:
Hello.
I have used OGS for groundwater flow model and it was fine. But, now I should couple it with overland flow model. I could not find a tutorial for overland flow model with OGS as there is one for groundwater flow model with OGS. Do you know any tutorial for overland flow model with OGS?
At first sight, I have the following questions:

As benchmark, there are “Wool_quad”, “govin_quad”, “govin_line”, “gian_tri” and “gian_quad”. I don’t know which one to follow. What are the assumptions for each case?

Why are there no boundary condition file for “gian_tri” and “gian_quad”?

I look it up the file format explanations in OGS website, but they don’t clarify the terms used for overland flow model. What are the parameters defined for surface friction in medium properties file? and the “new” (corresponding “NUM_TYPE”) in process file?

What is the “.rfd” file?
Thank you a lot for your time.
Cheers,
Eliana
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