Porous material tables utility manage to define the tables for Permeability and Volumetric water content in case a saturated/unsaturated hydraulic property has been defined. That is, tables can be carried out, however, unless the unsaturated property is not active, both tables will not be visualized.
These parameters depend on the material type, that is, for each material from the Van Genuchten soil type drop will belong different parameters. On the other hand, the user can fulfill these coefficients with those values the model requires.
The previous properties bar determine the data in order to calculate the table, besides the information that they will contain. For instance, both of them have been submitted to have a lower value of -30 m, being the top value 0. Moreover, the total number of points will be 20 and the point generation method is carried out linearly instead of logarithmically.
The formulation so as to fulfill these tables follow the expression ahead:
Being m and h:
The h equation vary depending on the selected option; either linear or logarithmic:
Moreover, calculation of the h parameter will depend on the number of points the user has assigned. There are 50 points by default, so there will be 50 iterations on which the h assumes a different value and, therefore, the Volumetric water content along with the Permeability, will be submitted to change.
The h will shape the first column in the chart whereas the second column will be fulfilled either with the Kr or the parameter.