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Input Parameters for Shear Kalman Smagorinsky BGK

OpenLB – Open Source Lattice Boltzmann Code Forums on OpenLB General Topics Input Parameters for Shear Kalman Smagorinsky BGK

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  • Author
    Posts
  • #7179
    anandanandan86
    Participant

    Hello, I am trying to use the Shear Kalman Smagorinsky BGK model, but I am unsure of one of it’s input parameters. Its constructor requires a parameter called “f_char_lat”. What is this parameter and how can it be calculated?

    #7180
    FBukreev
    Keymaster

    Hello, which OpenLB release do you use?

    #7188
    anandanandan86
    Participant

    Hello, I am using OpenLB 1.4

    #7207
    FBukreev
    Keymaster

    Hello, this model does not work well there and we don’t use it in our next release. Ufortunately I cannot help you with it. A better way for you could be to use the standard Smagorinsky model with some own modification that you implement as a separte functor or you modify the collision in the smagorinsky dynamics.

    Greetings
    Fedor

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