Numerical solutions of high-Re recirculating flows in vorticity-velocity form

✍ Scribed by G. Guj; F. Stella

• Publisher: John Wiley and Sons
• Year: 1988
• Tongue: English
• Weight: 688 KB
• Volume: 8
• Category: Article
• ISSN: 0271-2091
• DOI: 10.1002/fld.1650080404

✦ Synopsis

A numerical method for computing high-Re laminar steady flows is presented. The incompressible Navier-Stokes equations are expressed in terms of vorticity-velocity variables, discretized in space by finite differences on a staggered grid and advanced in time by a scalar alternating direction implicit (ADI) procedure, which allows a fully vectorized computer code. The accuracy and efficiency of the present formulation are discussed in comparison with the standard m-tj and u, u, P forms. Numerical results are presented for two test cases: the driven cavity at Re up to 5000 and the backward-facing step at Re up to 800.