A novel application of barycentric coordinates to Lagrange two-way coupled spray calculations
by A. Sinigersky; R. Koch; H-J. Bauer
Progress in Computational Fluid Dynamics, An International Journal (PCFD), Vol. 13, No. 6, 2013

Abstract: Modern CFD codes make possible the application of two-way coupled Lagrange particle tracking to complex unstructured meshes. State of the art tracking algorithms require the handling of arbitrary-shaped finite volume cells. By developing a new universal module for particle tracking, a novel technique has been introduced: association of the instantaneous particle location to the nearest vertex within a cell. The nearest-node method is then used to store the source terms arising from the spray calculation into vertex-based fields. In this novel method, barycentric coordinates are used for defining the vicinity of a vertex within a cell. The major benefits of this approach are its high computational efficiency and its ability to suppress the influence of mesh skewness on the quality of the results.

Online publication date: Tue, 29-Apr-2014

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