2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/127537We present in this note the existence and uniqueness results for the Stokes and Navier-Stokes equations which model the laminar flow of an incompressible fluid inside a two-dimensional channel of periodic sections. The data of the pressure loss coefficient enables us to establish a relation on the pressure and to thus formulate an equivalent problem.10 pagesAnalysis of PDEsNavier-Stokes equations with periodic boundary conditions and pressure losstext