Fully coupled calculation of fluid flows with limited use of computer storage
Abstract
The performance of a modification to an earlier solution algorithm for the calculation of multidimensional fluid flow, heat transfer, and combustion processes is described and demonstrated. The modification significantly reduces the computer storage required by the earlier algorithm without degrading the rate of convergence. The modification called telescoping subdomain analysis (TSDA), splits the flow domain into overlapping subregions and solves them in a sequence, with known conditions on the boundaries of the subregions. The procedure was tested in four different two dimensional recirculating flows and the convergence rates are equivalent to the rates with full domain analysis. The modification offers significant savings of computer storage and cost and permits calculations with larger finite difference grids.
- Publication:
-
NASA STI/Recon Technical Report N
- Pub Date:
- October 1983
- Bibcode:
- 1983STIN...8415508V
- Keywords:
-
- Algorithms;
- Computational Fluid Dynamics;
- Finite Difference Theory;
- Fluid Flow;
- Heat Transfer;
- Two Dimensional Flow;
- Computational Grids;
- Continuity Equation;
- Momentum;
- Revisions;
- Turbulent Flow;
- Fluid Mechanics and Heat Transfer