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HLBM boundary settings

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  • September 6, 2021 at 9:14 am #5946
    d.sun
    Participant

    Hi,
    i start to use HLBM to simulate particles based on the two examples dk2d and setting3d.

    Just simply modified the external forces on the particles, it was found that the particles left the domain via the side wall instead of bouncing off.

    May i ask how to set the boundary conditions for the particle-wall collision please?

    September 9, 2021 at 11:32 am #5965
    jjessberger
    Participant

    Hello,

    as far as I know, a particle-wall collision is not yet implemented in HLBM.

    Yours,
    Julius J.

    September 10, 2021 at 9:34 am #5968
    jan
    Participant

    Hello,

    If you check, for example, the hlbmDynamics3D.hh (e.g., this), you can see an old model. However, this model most likely does not work out of the box. Additionally, it should only work for spheres and straight walls (it’s Hertz-Mindlin-based).

    Cheers,
    Jan

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