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    Simulation of Free Surface Flow with a Revolving Moving Boundary for Screw Extrusion Using Smoothed Particle Hydrodynamics

    T.W. Dong1, H.S. Liu1, S.L. Jiang2, L.Gu1, Q.W. Xiao1, Z. Yu1, X.F. Liu3

    CMES-Computer Modeling in Engineering & Sciences, Vol.95, No.5, pp. 369-390, 2013, DOI:10.3970/cmes.2013.095.369

    Abstract In this paper, we present a free surface flow model with a forced revolving moving boundary for partially filled screw extrusion. The incompressible smoothed particle hydrodynamics (ISPH) is used to simulate this complex flow. A set of organic glass experimental device for this partially filled fluid is manufactured. SPH results are satisfactorily compared with experiment results. The computed free surfaces are in good agreement with the free surfaces obtained from the experiment. Further analysis shows that with the increase of the speed, the average velocity of fluid increases, the effect of centrifugal force begin to show up, the maximum pressure… More >

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