A Numerical Method for Tracking the Deformation of Fluid Particles

Shuai Chen; Le Fang; Bo Qu

doi:10.4028/www.scientific.net/AMM.556-562.3752

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 556-562A Numerical Method for Tracking the Deformation of...

A Numerical Method for Tracking the Deformation of Fluid Particles

Abstract:

A model for the deformation of fluid particle under the action of velocity gradient tensor is proposed in this article. In this contribution, the control volume/surface is geometrically simplified into micro-ellipse. By using a series of changes of basis and eigenvalue decomposition, a numerical method for the deformation of an elliptic fluid particle is then demonstrated. Finally, this method is applied in two different problems involving smoothed particle hydrodynamics (SPH) simulation and a passive scalar turbulence case.

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Periodical:

Applied Mechanics and Materials (Volumes 556-562)

Pages:

3752-3755

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.556-562.3752

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Cite this paper

Online since:

May 2014

Authors:

Shuai Chen*, Le Fang, Bo Qu

Keywords:

Deformation Tracking, Fluid Particles, Passive Scalar Turbulence, Smoothed Particle Hydrodynamic (SPH)

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