A numerical study of planar and axially-symmetric sudden expansion flows

Academic Article


  • The present study is concerned with the numerical prediction of planar and axially-symmetric sudden expansion flows, using the Navier-Stokes as well as the boundary layer equations. The vorticity-steam function Navier-Stokes equations are solved by means of a robust multigrid block-line-Gauss-Seidel method. The corresponding boundary layer equations are solved at every longitudinal station by means of an incremental block-implicit scheme, using the Newton method combined with a deferred correction strategy to achieve fast convergence on the nonlinear terms. Accurate solutions to the Navier-Stokes equations and to the boundary layer equations with and without the FLARE approximation are provided for both planar and axially-symmetric expansions. © 1989.
  • Published In

    Digital Object Identifier (doi)

    Author List

  • Napolitano M; Cinnella P
  • Start Page

  • 185
  • End Page

  • 193
  • Volume

  • 17
  • Issue

  • 1