
Accession Number : ADA004806
Title : Iterative Solution of the Equations for Steady Viscous Compressible Flow, Based on Similitude.
Descriptive Note : Final rept. 1 Jun 721 Jun 74,
Corporate Author : APPLIED THEORY INC LOS ANGELES CALIF
Personal Author(s) : Trulio,J. G. ; Yeung,H. N.
Report Date : NOV 1974
Pagination or Media Count : 48
Abstract : A study was made of an iterative procedure for solving numerically the equations of steady viscous compressible flow. The method, based on a principle of similitude, was tested for the case of laminar twodimensional hypersonic flow into a compression corner. The first two iterations gave an accurate description of the boundary layer, using less than 1 percent of the computer time required for timemarching integration of the equations for transient twodimensional flow. However, the equations of the third iteration, in which development of separated flow and recirculation was to have begun, proved unstable. A plausible explanation for the unstable behavior of the third iterate was found. On that basis, alternate equations were developed that may permit stable iteration.
Descriptors : *Compressible flow, *Navier Stokes equations, Viscous flow, Iterations, Finite differnce theory, Partial differential equations, Boundary layer flow, Computer applications, Computations
Subject Categories : Fluid Mechanics
Distribution Statement : APPROVED FOR PUBLIC RELEASE