2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/228174A comparison is made between results obtained using smooth initial conditions and event-by-event initial conditions in the hydrodynamical description of relativistic nuclear collisions. Some new results on directed flow are also included.Nuclear TheoryFluctuations and initial state granularity in heavy ion collisions and their effects on observables from hydrodynamicstext