Results from the Fourth AIAA Drag Prediction Workshop are summarized. The workshop focused on the prediction of both absolute and differential drag levels for wing–body and wing–body/horizontal-tail configurations of the NASA Common Research Model, which is representative of transonic transport aircraft. Numerical calculations are performed using industry-relevant test cases that include lift-specific flight conditions, trimmed drag polars, downwash variations, drag rises, and Reynolds-number effects. Drag, lift, and pitching moment predictions from numerous Reynolds-averaged Navier–Stokes computational fluid dynamics methods are presented. Solutions are performed on structured, unstructured, and hybrid grid systems. The structured-grid sets include point-matched multiblock meshes and overset grid systems. The unstructured and hybrid grid sets comprise tetrahedral, pyramid, prismatic, and hexahedral elements. Effort is made to provide a high-quality and parametrically consistent family of grids for each grid type about each configuration under study. The wing–body/horizontal families comprise coarse, medium, and fine grids; an optional extrafine grid augments several of the grid families. These mesh sequences are used to determine asymptotic grid-convergence characteristics of the solution sets and to estimate grid-converged absolute drag levels of the wing–body/horizontal configuration using Richardson extrapolation.


    Access

    Check access

    Check availability in my library

    Order at Subito €


    Export, share and cite



    Title :

    Summary of the Fourth AIAA Computational Fluid Dynamics Drag Prediction Workshop


    Contributors:

    Published in:

    Journal of Aircraft ; 51 , 4 ; 1070-1089


    Publication date :

    2014-05-08


    Size :

    20 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English




    Summary of the Fourth AIAA Computational Fluid Dynamics Drag Prediction Workshop

    Vassberg, J.C. / Tinoco, E.N. / Mani, M. et al. | British Library Conference Proceedings | 2014



    Summary of the Fourth AIAA Computational Fluid Dynamics Drag Prediction Workshop

    Vassberg, J.C. / Tinoco, E.N. / Mani, M. et al. | British Library Conference Proceedings | 2014



    Data Summary from Second AIAA Computational Fluid Dynamics Drag Prediction Workshop

    Kelly Laflin / Steven Klausmeyer / Tom Zickuhr et al. | AIAA | 2005