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Article
Publication date: 1 December 2006

Aldo Tralli and Paolo Gaudenzi

To present a numerical method for the solution of the unsteady incompressible Navier‐Stokes equations in a generic setting.

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Abstract

Purpose

To present a numerical method for the solution of the unsteady incompressible Navier‐Stokes equations in a generic setting.

Design/methodology/approach

The equations are discretized in space by the finite element method, and in time by a semi‐implicit finite difference scheme, using a fractional‐step method to enforce incompressibility.

Findings

The presented results demonstrate the satisfactory accuracy of the method in the simulation of vortical flows in laminar regime and the stability of the solution in presence of a strong boundary layer.

Originality/value

The successful integration of the CFD into the industrial design depends on its capability to produce accurate and reliable simulations of real life applications. These considerations drive the development of the proposed method: it can be used in conjunction with finite elements of any order of accuracy, providing accurate and numerically stable results for complex flows. Moreover, the computational requirements are low when compared with other similar strategies.

Details

Engineering Computations, vol. 23 no. 8
Type: Research Article
ISSN: 0264-4401

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