INFLUENCE OF THE NO-SLIP BOUNDARY CONDITION ON THE PREDICTION OF DRAG, LIFT, AND HEAT TRANSFER COEFFICIENTS IN THE FLOW PAST A 2-D CYLINDER

Abstract

The influence of the no-slip boundary condition on the numerical simulation of two-dimensional incompressible flow past a circular cylinder is investigated using a ω-ψformulation code. Three explicit formulations to compute vorticity at the wall are compared: I is based on the Woods equation, II uses the definition of ω and a central difference scheme, and III is similar to II but uses a forward difference scheme. Numerical experiments were carried out at Re = 60, 100, and 200 with Pr = 0.7. Results obtained are in good agreement with the literature and show that formulation III consumes less CPU time.

Notes

Address correspondence to Prof. Francesc X. Grau, Departament d'Enginyeria Mecanica, Escola Tecnica Superior d'Enginyeria Quimica, Universitat Rovira i Virgili, Carretera Salou s/n, 43006 Tarragona, Catalunya, Spain. E-mail: [email protected], [email protected]