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Computing Wall Shear Stress

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  • March 31, 2017 at 8:36 pm #1901
    shaunellis22
    Member

    Hi,

    Could someone please explain how I can obtain the average wall shear stress along my geometry?

    Kind Regards,

    Shaun

    April 5, 2017 at 5:32 pm #2572
    mathias
    Keymaster

    Dear Shaun,

    you can have a look at the cylinder2d/3d example. We compute the drag there which is a small step to wall shear stress.

    Best
    Mathias

    April 5, 2017 at 6:52 pm #2573
    shaunellis22
    Member

    Dear Mathias,

    Many thanks, just to clarify, is that drag force in N or is it the drag coefficient? Or is it something different?

    Kind Regards,

    Shaun

    April 5, 2017 at 7:11 pm #2574
    mathias
    Keymaster

    It is the drag coefficient but it is an integral over a force computed by momentum exchange algorithm multiplied by some constants.

    Best
    Mathias

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