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ADVECTION only RT model with varying inflow solution compositions
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Topic: ADVECTION only RT model with varying inflow solution compositions (Read 66 times)
brathi
Contributor
Posts: 2
ADVECTION only RT model with varying inflow solution compositions
«
on:
August 27, 2018, 12:31:33 PM »
Dear all,
I am trying to create a RT model with ADVECTION-only scheme using just 1 cell but the challenge is to introduce varying solution compositions at different times.
I am not sure how to approach this in PhreeqC but this is my vague idea:
A typical RT model could look like this:
SOLUTION
0 #incoming solution
SOLUTION
1 #background solution in cell 1
END
SURFACE
1 #background surface in cell 1
END
KINETICS
1 #background kinetic reactant in cell 1
END
ADVECTION
-cells 1
-shifts 1 # total shifts required are 240
-time_steps 720 second
- .... other entries
SELECTED_OUTPUT
-file rt_adv.sel
USER_PUNCH
-.....
END
Could someone suggest how I can introduce SOLUTION 2 (which is different to SOLUTION 0 above) for 2 more shifts, followed by SOLUTION 3 for another 5 shifts and so on... and have the results appended in the selected_output file.
Thanks in advance for your help.
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ADVECTION only RT model with varying inflow solution compositions