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External force in periodical boundary conditions

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  • #2014
    kolotinsky
    Participant

    Hello everybody!
    In my program I use periodical boundary conditions. Sizes of my calculation box is 30x30x30. If I want to add external field to this domain. Should I define the force on -1 and 31 nodes?

    Regards
    Kolotinsky

    #2994
    mathias
    Keymaster

    Please use the indicator interface, see e.g. the poiseuille example.

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