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Comparison between smoothed dissipative particle dynamics and Voronoi fluid particle model in a shear stationary flow

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  • Serrano, Mar

Abstract

We present a numerical comparison between two Lagrangian techniques for the simulation of fluids, smoothed dissipative particle dynamics (SDPD) and Voronoi fluid particle model. These methods reproduce the movement of the fluid with extensive particles. The main differences between these techniques are the volume definition and the implementation of the second derivatives. The Voronoi model is computationally more efficient than SDPD. For quasi-regular meshes, the Voronoi method is more accurate than SDPD but for arbitrary configurations its precision degrades. This means that the SDPD discrete versions of the second derivative operators are better than the ones used in the Voronoi method.

Suggested Citation

  • Serrano, Mar, 2006. "Comparison between smoothed dissipative particle dynamics and Voronoi fluid particle model in a shear stationary flow," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 362(1), pages 204-209.
    • Handle: RePEc:eee:phsmap:v:362:y:2006:i:1:p:204-209
    DOI: 10.1016/j.physa.2005.09.024
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