2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/132502In this paper, we use various ansatzes with undetermined functions and the technique of moving frame to find solutions with parameter functions modulo the Lie point symmetries for the classical non-steady boundary layer problems. These parameter functions enable one to find the solutions of some related practical models and boundary value problems.55pagesFluid DynamicsMathematical PhysicsAnalysis of PDEsExactly Solvable and Integrable Systemstext