2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/229839We show effects of granular structure of the initial conditions (IC) of hydrodynamic description of high-energy nucleus-nucleus collisions on some observables, especially on the elliptic-flow parameter v2. Such a structure enhances production of isotropically distributed high-pT particles, making v2 smaller there. Also, it reduces v2 in the forward and backward regions where the global matter density is smaller, so where such effects become more efficacious.4 pages, 5 figuresHigh Energy Physics - Phenomenologytext