2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/144971We describe the computational techniques employed in the recently updated Fourier local correlation tracking (FLCT) method. The FLCT code is then evaluated using a series of simple, 2D, known flow patterns that test its accuracy and characterize its errors.9 pages, 3 figuresAstrophysicstext