In this lesson you will define the rate of transfer between the two compartment blocks by connecting them with transfers.
Creating the uptake transfer
Right-click the off-diagonal cell in the Interaction matrix which is on the same row as the Water Compartment and in the same column as the Fish Compartment. Select Transfer from the pop-up menu.
Double-click the
Transfer, or right-click it and select
Edit from the pop-up menu.
Make sure that the Properties tab is selected.
a) Enter “Uptake” in the Name field.
b) Enter “Uptake rate constant” in the Full Name field.
Select the Values tab. In the table, write “k_uptake” in the Expression column. When you press Enter and the “Unknown values” window appears, assign the unit “day^-1”. Click Ok (this results in the creation of the parameter k_uptake).
Close the edit window by clicking Ok.
Creating the excretion transfer
-
Double-click the
Transfer, or right-click it and select
Edit from the pop-up menu.
Select the Properties tab.
a) Enter “Excretion” in the Name field.
b) Enter “Excretion rate constant” in the Full Name field.
Select the Values tab. In the table, write “k_excretion” in the Expression column. When you press Enter and the “Unknown values” window appears, assign the unit “day^-1”. Click Ok.
Close the edit window by clicking Ok.
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References