Coarse-graining scale and effectiveness of hydrodynamic modeling Ph. Mota, T. Kodama, R. Derradi de Souza and J. Takahashi Eur. Phys. J. A, 48 11 (2012) 165 Published online: 27 November 2012 DOI: 10.1140/epja/i2012-12165-7