Adjustment of a calculated model for the current state of a reactor

Logarithms for adjusting calculational model for the reactor current state through the Reactor simulator program are considered. The adjustment means the calculation, modeling the reactor nearest pre-history in such a way that at the certain moment in real and modeling processes the criticality parameters as well as spatial distribution of energy release and concentration of iodine and xenon coincide. The adjustment algorithms for equilibrium and instantaneous offsets are presented as examples. 3 refs., 4 figs