SEARCH Articles Figures Tables Asymptotic approximation boundary layers Asymptotic approximation boundary layers, singularly perturbed problems Boundary approximating function selection Boundary conditions continuum approximation Boundary layer approximation Channel flow boundary-layer approximation Diffusion boundary layer approximation Effect of Approximations on Calculated Phase Boundaries F Approximate Results for Surface Temperature with Specified Heat Flux or Mixed Boundary Conditions Finite difference approximation of the boundary-value problem Phenomenological Approximations for Boundary Operators Spherical approximation of the boundary condition Surface Force Boundary Layer Approximation Surface Force Boundary Layer Approximation SFBLA) The boundary-layer approximation for laminar flows with chemical reactions Thin Boundary Layer Approximation