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Outflow of Cylinder3d

OpenLB – Open Source Lattice Boltzmann Code › Forums › on OpenLB › General Topics › Outflow of Cylinder3d

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  • March 16, 2022 at 4:25 am #6383
    yx19971028
    Participant

    Hi everyone,
    In the example of cylinder3d,the outflow boundary is
    ‘setInterpolatedPressureBoundary<T,DESCRIPTOR>(sLattice, omega, superGeometry, 4)’,but I want to use the free-outflow boundary condition.I want to ask how to set free-outflow boundary condition in the outflow.I am looking forward to your apply.
    Yours sincerely,
    Xu Yang.

    March 21, 2022 at 10:03 am #6390
    johanna
    Participant

    Dear Xu Yang,

    i would suggest to try the setZeroDistributionBoundary which sets every population with direction into the bulk to zero.
    I hope this fits to your application case.

    Yours sincerely,
    Johanna

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