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An adaptive streamline tracking method for two-dimensional CFD velocity fields based on the law of mass conservation

Li, Zhenquan (2006) An adaptive streamline tracking method for two-dimensional CFD velocity fields based on the law of mass conservation. Journal of Flow Visualization and Image Processing, 13 (1). pp. 1-14. ISSN 1065-3090

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Abstract

This paper proposes an adaptive streamline tracking method for two-dimensional CFD velocity fields. We assume that the multiplication of an unknown scalar function and the linear interpolation of a CFD velocity field satisfy the law of mass conservation and then derive the expressions of the scalar function. The adaptive streamline tracking method seeks more data in a cell of meshes when there are points at which the scalar function equals the infinity in the cell. Exact tangent curves for linear vector fields are used to draw streamline segments in triangles. Examples in the last section show that the adaptive streamline tracking method can be used to draw more accurate streamlines if we choose a larger threshold number.

Item Type: Journal Article
Subjects: Q Science > QA Mathematics
Divisions: Faculty of Science, Technology and Environment (FSTE) > School of Computing, Information and Mathematical Sciences
Depositing User: Ms Neha Harakh
Date Deposited: 15 Mar 2006 15:56
Last Modified: 12 Jul 2012 21:06
URI: http://repository.usp.ac.fj/id/eprint/4014
UNSPECIFIED

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