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setInterpolatedConvectionBoundary

OpenLB – Open Source Lattice Boltzmann Code Forums on OpenLB General Topics setInterpolatedConvectionBoundary

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  • #6570
    sahilbhapkar30
    Participant

    Hello,

    I need to know about the setInterpolatedConvectionBoundary condition? From the previous post regarding the boundary condition, I got an idea that it is used for the non zero Neumann condition. How to calculate the uAv term in its description?

    I am trying to setup the neumann condition for the velocity at the outlet. Would this boundary condition help me in this aspect?

    Thank you,

    Sahil

    #6571
    Adrian
    Keymaster

    You can calculate the uAv e.g. using a plane integral “in front” of the inlet or manually provide the value from model assumptions.

    In any case the interpolated convection boundaries were overlooked for the release, I will update this post with a ported and GPU-supporting version.

    • This reply was modified 2 months, 3 weeks ago by Adrian.
    #6574
    sahilbhapkar30
    Participant

    Hello,

    Thank-you for the reply.

    Could you tell me any other boundary conditions available where I can use as Neumann velocity BC for the outlet?

    Thank-you

    #6617
    mathias
    Keymaster

    Have a look to the various setups, e.g. cylinderxd, how it is done there. Best Mathias

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