A computer code for the calculation of steady-state and transient, thermal-mechanical behavior of oxide fuel rods for high burnup.

FAST-1.1 now includes design basis accidents such as RIA and LOCAs.

FAST 1.1 is proudly developed under NQA-1-2017.

The same current FAST license key, FASTProduct.key, will work with FAST-1.1 and FAST-1.0.1.