“…subchannel codes) in a geometry with as-fabricated dimensions, and it is assumed constant during the irradiation. Recently, however, a new simulation approach has been presented by [6], in which the bundle thermomechanics code BAMBOO is coupled with the thermal-hydraulic subchannel code ASFRE [17], following the operator split coupling paradigm. Although this approach represents an advance in the simulation of SFR subassemblies, it has some important limitations.…”