Hi Farshid,
After each transport simulation, the depletion module will write tally data to statepoint files, just like you would obtain from a single transport solution. These are named “openmc_simulation_n.h5”, where is the current time step. You can open each file using the StatePoint class. With one StatePoint instance per file (and each file at a unique point in time) you can view and plot tally data over time manually.
I hope this is helpful,
Andrew