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RESEARCH PAPERS

A Calculation Scheme for Three-Dimensional Viscous Incompressible Flows

[+] Author and Article Information
M. Reggio, R. Camarero

Ecole Polytechnique, Montreal, Canada

J. Fluids Eng 109(4), 345-352 (Dec 01, 1987) (8 pages) doi:10.1115/1.3242670 History: Received July 08, 1986; Online October 26, 2009

Abstract

A numerical procedure to solve three-dimensional incompressible flows in arbitrary shapes is presented. The conservative form of the primitive-variable formulation of the time-dependent Navier-Stokes equations written for a general curvilinear coordiante system is adopted. The numerical scheme is based on an overlapping grid combined with opposed differencing for mass and pressure gradients. The pressure and the velocity components are stored at the same location: the center of the computational cell which is used for both mass and the momentum balance. The resulting scheme is stable and no oscillations in the velocity or pressure fields are detected. The method is applied to test cases of ducting and the results are compared with experimental and numerical data.

Copyright © 1987 by ASME
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