Progress in Numerical Fluid Dynamics : Lecture Series Held at the von Karman Institute for Fluid Dynamics 1640 Rhode St. Genèse Belgium February 11 15 1974 On the ‘computation of two and three dimensional steady transonic flows by relaxation methods A critical review of numerical solution of Navier Stokes equations Variational principles in fluid mechanics and finite element applications Recent developments of finite difference approximations for boundary layer equations Computation of three dimensional inviscid supersonic flows Numerical and physical experiments in viscous separated flows Stability of explicit time dependent treatment of hyperbolic boundary problems Improving of the numerical solutions by using analogue subroutines Computation of unsteady boundary layers