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MRTdynamics and MRTdynamics2

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  • March 19, 2020 at 1:37 pm #4855
    sthavishtha
    Participant

    Dear all

    In the current version of OpenLB (v1.3-1), the only difference I notice between MRTdynamics and MRTdynamics2 is the presence of some extra member functions, while MRTdynamics<T,DESCRIPTOR>::MRTdynamics()/ MRTdynamics2<T,DESCRIPTOR>::MRTdynamics2() and MRTdynamics<T,DESCRIPTOR>::collide()/ MRTdynamics2<T,DESCRIPTOR>::collide() look the same (duplicate). Is some implementation in the class MRTdynamics2 yet to be done?

    Regards
    Sthavishtha

    March 19, 2020 at 4:20 pm #4859
    Marc
    Participant

    Dear Sthavishtha,

    the differnence is that MRTdynamics use descriptors::s<T,DESCRIPTOR> and MRTdynamics2 use descriptors::s_2<T,DESCRIPTOR>. This means the collision matrix in Mrtdynamics2 is changed. You can find the collision matrix s and s_2 in src/dynamics/mrtLatticeDescriptors.h.

    Best Marc

    March 19, 2020 at 6:32 pm #4860
    sthavishtha
    Participant

    Dear Marc

    Noted. Thanks for the information.

    Regards
    Sthavishtha

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