TECHNICAL NOTE IMPROVED PRESSURE-VELOCITY COUPLING ALGORITHM BASED ON MINIMIZATION OF GLOBAL RESIDUAL NORM
- 1 July 1991
- journal article
- research article
- Published by Taylor & Francis in Numerical Heat Transfer, Part B: Fundamentals
- Vol. 20 (1) , 115-123
- https://doi.org/10.1080/10407799108944997
Abstract
An improved pressure-velocity coupling algorithm is proposed based on the minimization of the global residual norm. The procedure is applied to SIMPLE and SIMPLEC algorithms to automatically select the pressure underrelaxation factor to minimize the global residual norm at each iteration level. Test computations for three-dimensional turbulent, isothermal flow in a toroidal vortex combustor indicate that velocity underrelaxation factors as high as 0.7 can be used to obtain a converged solution in 300 iterations.Keywords
This publication has 2 references indexed in Scilit:
- The pressure correction methodComputers & Fluids, 1986
- Solution of the implicitly discretised fluid flow equations by operator-splittingJournal of Computational Physics, 1986