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Dresden 2014 – scientific programme

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DY: Fachverband Dynamik und Statistische Physik

DY 41: Poster - Pattern/ Nonlinear Dyn./ Fluids/ Granular/ Critical Phen.

DY 41.26: Poster

Thursday, April 3, 2014, 17:00–19:00, P3

A hydrodynamic approach to driven granular systems — •Mathias Hummel, James Clewett, and Marco G. Mazza — Max-Planck-Institut für Dynamik und Selbstorganisation, Göttingen, Deutschland

We study a hydrodynamic approach to vibrated granular gases. We use a modification of the compressible Navier-Stokes equation in 3D. To handle the shockwaves in our simulations we use high-order WENO methods and the Multi-Stage approach(MUSTA) flux is used to calculate the convective fluxes. The integrations in our finite-volume method is performed through Gaussian integration points. Our results are compared with molecular dynamics simulations. We study and characterise the shockwaves traveling through the system and the nonequilibrium pattern that emerges in the steady state.

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