A new wall model for transitional flows is applied to the wall-modeled large-eddy simulation of the Klebanoff (fundamental) and bypass transition mechanisms, continuing an effort to improve computational efficiency by mitigating resolution requirements for the disturbances upstream of transition. Comparison with direct-numerical simulation results shows good agreement in the region prior to transition, but agreement during and after transition is not as good as previous wall-modeled large-eddy simulations of the Herbert (subharmonic) transition mechanism using this wall model. This is apparently due to weaknesses in the modelling of the transition process itself.


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    Title :

    WMLES of K-Type and Bypass Boundary-Layer Transition


    Contributors:

    Conference:

    AIAA SciTech Forum ; 2022 ; San Diego, CA, US


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English






    WMLES OF BOUNDARY-LAYER TRANSITION

    Woodruff, Stephen | TIBKAT | 2021


    WMLES of Boundary-Layer Transition

    Woodruff, Stephen | AIAA | 2021