A multigrid calculation procedure for internal flows in complex geometries
Abstract
A multigrid calculation procedure for steady, elliptic fluid flows in general curvilinear geometries is presented. The calculation procedure uses the contravariant velocities as the dependent variables in the momentum equations and solves the momentum and continuity equations simultaneously. A full multigrid algorithm with a V-cycle is used. Several laminar and turbulent model problems have been calculated and the performance of the procedure to reach a steady state solution is investigated. Calculations with fine grids are made to demonstrate the attainment of multigrid efficiency.
- Publication:
-
AIAA, Aerospace Sciences Meeting
- Pub Date:
- January 1990
- Bibcode:
- 1990aiaa.meetU....V
- Keywords:
-
- Computational Fluid Dynamics;
- Flow Velocity;
- Grid Generation (Mathematics);
- Multigrid Methods;
- Spherical Coordinates;
- Differential Equations;
- Incompressible Flow;
- Laminar Flow;
- Momentum Theory;
- Turbulence Models;
- Fluid Mechanics and Heat Transfer