Development of perturbation procedures for nonlinear inviscid and viscous flows
Abstract
The perturbation theory for transonic flow is further developed for two and three dimensional problems. The physical perturbation theory, in which the perturbation parameter is a physical quantity, is applied to solutions of the NavierStokes equations in two dimensions. The mathematical perturbation theory, in which the perturbation parameter is a measure of the difference between approximate and exact solutions, is applied both to the three dimensional potential flow problems and to the two dimensional NavierStokes equations. The strained coordinate technique is used to treat changes in location of any shock waves or large gradients.
 Publication:

Interim Report
 Pub Date:
 January 1980
 Bibcode:
 1980neri.rept.....N
 Keywords:

 Inviscid Flow;
 Perturbation Theory;
 Transonic Flow;
 Two Dimensional Flow;
 Viscous Flow;
 NavierStokes Equation;
 Potential Flow;
 Pressure Distribution;
 Shock Waves;
 Fluid Mechanics and Heat Transfer