Keyword:ZERO

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ZERO


This keyword is used to reset the time value to zero after an irradiation. After ZERO the output will show COOLING TIME rather than TIME in the title for the interval. It also sets the flux to zero, but the FLUX keyword should also be used. This keyword must be used after an irradiation if the keyword GRAPH is also used in the input file. This keyword initiates the calculation and output of pathways (as specified by the UNCERTAINTY, ROUTES or PATH keyword in the initialisation phase). If neither ZERO nor RESULT keywords are present, then no pathways information will be output.


NOTE: Irradiation steps can be specified after the ZERO keyword has been specified if so desired. This allows one to investigate pathways for a subset of the irradiation steps or to get graphical output for irradiation steps.

Exaple usage:

< -- Control phase -- >
...
FISPACT
* Title of the simulation
< -- Initial phase -- > 
...
< -- Inventory phase -- > 
...
FLUX 1.0E+10
TIME 1.0 DAYS
ATOMS
...
FLUX 0.0E+00
ZERO
<< cooling periods >>
END
* End of simulation